PREFIX pv: <http://ld.company.org/prod-vocab/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT DISTINCT ?manager ?managerLabel ?email WHERE {
  ?dept a pv:Department ; rdfs:label "Data Services" ; pv:id "41622" .
  ?employee pv:memberOf ?dept ; pv:hasManager ?manager .
  ?manager a pv:Manager ; rdfs:label ?managerLabel .
  OPTIONAL {
    ?manager pv:email ?email
  }
}

The manager of the Data Services department is Elena Herzog (email: Elena.Herzog@company.org).

Who is the manager of the Data Services department?

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
ck25 at http://localhost:9333

You can use the following SPARQL prefixes implicitly in all functions:
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
ecc: <https://ns.eccenca.com/
owl: <http://www.w3.org/2002/07/owl#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
dct: <http://purl.org/dc/terms/
void: <http://rdfs.org/ns/void#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
vann: <http://purl.org/vocab/vann/
dbpedia: <http://dbpedia.org/resource/
wgs84: <http://www.w3.org/2003/01/geo/wgs84_pos#
pv: <http://ld.company.org/prod-vocab/
prodi: <http://ld.company.org/prod-instances/
skos: <http://www.w3.org/2004/02/skos/core#
dc: <http://purl.org/dc/elements/1.1/
prov: <http://www.w3.org/ns/prov#
schema: <http://schema.org/
geo: <http://www.opengis.net/ont/geosparql#
geosparql: <http://www.opengis.net/ont/geosparql#
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
wikibase: <http://wikiba.se/ontology#
qb: <http://purl.org/linked-data/cube#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Search for the entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Execute intermediate queries to get feedback and to verify your assumptions. You may need to refine or rethink your current plan based on the query results and go back to step 2 if needed, possibly multiple times.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not just use or make up entity or property identifiers without verifying their existence in the knowledge graphs first.
3. Always execute your final SPARQL query before giving an answer to make sure it returns the expected results.
4. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
5. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
6. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
7. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
8. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] Who is the manager of the Data Services department?

[Assistant]
Step 1: Determine possible entities and properties implied by the user question.

The question asks for the manager of the "Data Services" department. So, I need to:
- Identify the entity representing the "Data Services" department.
- Find the property that links a department to its manager.

Step 2: Search for the "Data Services" department entity.

I'll search for "Data Services" in the knowledge graph.

[Tool]
Top 10 entity alternatives:
1. Dataset (void:Dataset)
2. Datatype Property (owl:DatatypeProperty)

[Assistant]
The search for "Data Services" did not return a direct match for a department named "Data Services". The closest matches are "Dataset" and "Datatype Property", which are not relevant.

Step 3: Try searching for "department" to see if departments are modeled in the knowledge graph and how they are named.

This will help me understand if departments exist and how to refine my search.

[Tool]
Top 10 entity alternatives:
1. Department (pv:Department): A department in an organization.
2. emoji department store svg?color=#D6AF00&format=svg (<https://api.iconify.design/arcticons/emoji-department-store.svg?color=%23D6AF00&format=svg>)

[Tool]
Got 5 rows and 3 columns:
| subject                    | property                         | object                                                                                |
| -------------------------- | -------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------- |
| Department (pv:Department) | type (rdf:type)                  | Class (owl:Class)                                                                                |
| Department (pv:Department) | label (rdfs:label)               | Department (en)                                                                                |
| Department (pv:Department) | is Defined By (rdfs:isDefinedBy) | pv: Products - Vocab (pv:)                                                                                |
| Department (pv:Department) | comment (rdfs:comment)           | A department in an organization. (en)                                                                                |
| Department (pv:Department) | depiction (foaf:depiction)       | emoji department store svg?color=#D6AF00&format=svg (<https://api.iconify.design/arcticons/emoji-department-store.svg?color=%23D6AF00&format=svg>) |

[Tool]
Top 10 entity alternatives:
1. Dataset (void:Dataset)
2. Datatype Property (owl:DatatypeProperty)

[Tool] No entity items found

[Tool]
Top 10 entity alternatives:
1. Department (pv:Department): A department in an organization.
2. Dataset (void:Dataset)
3. Datatype Property (owl:DatatypeProperty)
4. emoji department store svg?color=#D6AF00&format=svg (<https://api.iconify.design/arcticons/emoji-department-store.svg?color=%23D6AF00&format=svg>)

[Tool]
Top 10 property alternatives:
1. label (rdfs:label)
2. type (rdf:type)
3. is Defined By (rdfs:isDefinedBy)

No other items found

[Tool]
Top 10 property alternatives:
1. has manager (pv:hasManager): The manager of the employee., has domain Employee, has range Manager
2. has product manager (pv:hasProductManager): The employee acting as the product manager of the product., has range Employee, has domain Product
3. responsible for (pv:responsibleFor): The product for which a department is responsible., has domain Department, has range Product
4. contributor (dct:contributor)
5. supplier (pv:hasSupplier): The supplier of a product., has domain Product, has range Supplier
6. publisher (dct:publisher)
7. name (foaf:name):

8. name (pv:name): The name of something.
9. member of (pv:memberOf): The department to which an agents belongs., has range Department, has domain Agent
10. creator (dct:creator)

[Tool]
No entity items found

No other items found

No literal items found

[Tool]
Top 10 property alternatives:
1. label (rdfs:label)
2. name (foaf:name):

3. name (pv:name): The name of something.
4. address text (pv:addressText): The address text., has domain Agent
5. ID (pv:id): The ID of a thing.
6. has manager (pv:hasManager): The manager of the employee., has domain Employee, has range Manager
7. country (pv:country): The country where the supplier is located., has domain Supplier, has range Country
8. part (pv:hasPart): has domain BOM Part, The Product needed., has range Product
9. address country (pv:addressCountry): The address country., has domain Agent
10. license (<http://creativecommons.org/ns#license>)

[Tool]
Failed to call function search_object_of_property:
too many values to unpack (expected 3)

[Tool]
Failed to call function search_object_of_property:
too many values to unpack (expected 3)

[Tool]
Top 10 property alternatives:
1. area of expertise (pv:areaOfExpertise): The product category agent is expert for., has range Product Category, has domain Agent
2. label (rdfs:label)
3. country (pv:country): The country where the supplier is located., has domain Supplier, has range Country
4. part (pv:hasPart): has domain BOM Part, The Product needed., has range Product
5. has manager (pv:hasManager): The manager of the employee., has domain Employee, has range Manager
6. responsible for (pv:responsibleFor): The product for which a department is responsible., has domain Department, has range Product
7. sub Class Of (rdfs:subClassOf)
8. quantity (pv:quantity): The quantity needed., has domain BOM Part
9. member of (pv:memberOf): The department to which an agents belongs., has range Department, has domain Agent
10. type (rdf:type)

[Tool]
Got 6 rows and 3 columns:
| subject                       | property        | object                     |
| ----------------------------- | --------------- | -------------------------- |
| dept 22183 (prodi:dept-22183) | type (rdf:type) | Department (pv:Department) |
| dept 85880 (prodi:dept-85880) | type (rdf:type) | Department (pv:Department) |
| dept 41622 (prodi:dept-41622) | type (rdf:type) | Department (pv:Department) |
| dept 84279 (prodi:dept-84279) | type (rdf:type) | Department (pv:Department) |
| dept 73191 (prodi:dept-73191) | type (rdf:type) | Department (pv:Department) |
| dept 66469 (prodi:dept-66469) | type (rdf:type) | Department (pv:Department) |

[Tool]
Got 16 rows and 3 columns, showing the first 10 rows below:
| subject                       | property                            | object                                  |
| ----------------------------- | ----------------------------------- | --------------------------------------- |
| dept 22183 (prodi:dept-22183) | type (rdf:type)                     | Department (pv:Department)              |
| dept 22183 (prodi:dept-22183) | label (rdfs:label)                  | Product Management                      |
| dept 22183 (prodi:dept-22183) | name (pv:name)                      | Product Management                      |
| dept 22183 (prodi:dept-22183) | ID (pv:id)                          | 22183                                   |
| dept 22183 (prodi:dept-22183) | responsible for (pv:responsibleFor) | hw A688 6056899 (prodi:hw-A688-6056899) |
| dept 22183 (prodi:dept-22183) | responsible for (pv:responsibleFor) | hw G144 5498082 (prodi:hw-G144-5498082) |
| dept 22183 (prodi:dept-22183) | responsible for (pv:responsibleFor) | hw H274 5987347 (prodi:hw-H274-5987347) |
| dept 22183 (prodi:dept-22183) | responsible for (pv:responsibleFor) | hw I980 1040313 (prodi:hw-I980-1040313) |
| dept 22183 (prodi:dept-22183) | responsible for (pv:responsibleFor) | hw L128 5499058 (prodi:hw-L128-5499058) |
| dept 22183 (prodi:dept-22183) | responsible for (pv:responsibleFor) | hw L316 4863597 (prodi:hw-L316-4863597) |
| ...                           | ...                                 | ...                                     |

[Tool]
Got 16 rows and 3 columns, showing the first 10 rows below:
| subject                       | property                            | object                                    |
| ----------------------------- | ----------------------------------- | ----------------------------------------- |
| dept 85880 (prodi:dept-85880) | type (rdf:type)                     | Department (pv:Department)                |
| dept 85880 (prodi:dept-85880) | label (rdfs:label)                  | Marketing                                 |
| dept 85880 (prodi:dept-85880) | name (pv:name)                      | Marketing                                 |
| dept 85880 (prodi:dept-85880) | ID (pv:id)                          | 85880                                     |
| dept 85880 (prodi:dept-85880) | responsible for (pv:responsibleFor) | srv P516 8211068 (prodi:srv-P516-8211068) |
| dept 85880 (prodi:dept-85880) | responsible for (pv:responsibleFor) | srv O662 4012383 (prodi:srv-O662-4012383) |
| dept 85880 (prodi:dept-85880) | responsible for (pv:responsibleFor) | srv U360 2815908 (prodi:srv-U360-2815908) |
| dept 85880 (prodi:dept-85880) | responsible for (pv:responsibleFor) | hw C831 2580759 (prodi:hw-C831-2580759)   |
| dept 85880 (prodi:dept-85880) | responsible for (pv:responsibleFor) | hw D334 6681399 (prodi:hw-D334-6681399)   |
| dept 85880 (prodi:dept-85880) | responsible for (pv:responsibleFor) | hw D844 3535311 (prodi:hw-D844-3535311)   |
| ...                           | ...                                 | ...                                       |

[Tool]
Got 15 rows and 3 columns, showing the first 10 rows below:
| subject                       | property                            | object                                    |
| ----------------------------- | ----------------------------------- | ----------------------------------------- |
| dept 41622 (prodi:dept-41622) | type (rdf:type)                     | Department (pv:Department)                |
| dept 41622 (prodi:dept-41622) | label (rdfs:label)                  | Data Services                             |
| dept 41622 (prodi:dept-41622) | name (pv:name)                      | Data Services                             |
| dept 41622 (prodi:dept-41622) | ID (pv:id)                          | 41622                                     |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | srv Y274 1029755 (prodi:srv-Y274-1029755) |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw Z272 2955088 (prodi:hw-Z272-2955088)   |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw A145 1240844 (prodi:hw-A145-1240844)   |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw C697 6765940 (prodi:hw-C697-6765940)   |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw D228 6993564 (prodi:hw-D228-6993564)   |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw D762 3837218 (prodi:hw-D762-3837218)   |
| ...                           | ...                                 | ...                                       |

[Tool]
Got 15 rows and 3 columns, showing the first 10 rows below:
| subject                       | property                            | object                                    |
| ----------------------------- | ----------------------------------- | ----------------------------------------- |
| dept 41622 (prodi:dept-41622) | type (rdf:type)                     | Department (pv:Department)                |
| dept 41622 (prodi:dept-41622) | label (rdfs:label)                  | Data Services                             |
| dept 41622 (prodi:dept-41622) | name (pv:name)                      | Data Services                             |
| dept 41622 (prodi:dept-41622) | ID (pv:id)                          | 41622                                     |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | srv Y274 1029755 (prodi:srv-Y274-1029755) |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw Z272 2955088 (prodi:hw-Z272-2955088)   |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw A145 1240844 (prodi:hw-A145-1240844)   |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw C697 6765940 (prodi:hw-C697-6765940)   |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw D228 6993564 (prodi:hw-D228-6993564)   |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw D762 3837218 (prodi:hw-D762-3837218)   |
| ...                           | ...                                 | ...                                       |

[Tool] Got no rows and 3 columns

[Tool]
Got 47 rows and 3 columns, showing the first 10 rows below:
| subject                                                                                | property                    | object                                                                                |
| -------------------------------------------------------------------------------------------------------------- | --------------------------- | ---------------------------------------------------------------------------------------------------------------- |
| empl Wolfgang Martin@company org (<http://ld.company.org/prod-instances/empl-Wolfgang.Martin%40company.org>)   | has manager (pv:hasManager) | empl Elena Herzog@company org (<http://ld.company.org/prod-instances/empl-Elena.Herzog%40company.org>)           |
| empl Corinna Ludwig@company org (<http://ld.company.org/prod-instances/empl-Corinna.Ludwig%40company.org>)     | has manager (pv:hasManager) | empl Thomas Mueller@company org (<http://ld.company.org/prod-instances/empl-Thomas.Mueller%40company.org>)       |
| empl Franziska Acker@company org (<http://ld.company.org/prod-instances/empl-Franziska.Acker%40company.org>)   | has manager (pv:hasManager) | empl Franz Kornhaeusel@company org (<http://ld.company.org/prod-instances/empl-Franz.Kornhaeusel%40company.org>) |
| empl Bert Blumstein@company org (<http://ld.company.org/prod-instances/empl-Bert.Blumstein%40company.org>)     | has manager (pv:hasManager) | empl Dietlinde Boehme@company org (<http://ld.company.org/prod-instances/empl-Dietlinde.Boehme%40company.org>)   |
| empl Elisabeth Harman@company org (<http://ld.company.org/prod-instances/empl-Elisabeth.Harman%40company.org>) | has manager (pv:hasManager) | empl Waldtraud Kuttner@company org (<http://ld.company.org/prod-instances/empl-Waldtraud.Kuttner%40company.org>) |
| empl Baldwin Guenther@company org (<http://ld.company.org/prod-instances/empl-Baldwin.Guenther%40company.org>) | has manager (pv:hasManager) | empl Reiner Widmann@company org (<http://ld.company.org/prod-instances/empl-Reiner.Widmann%40company.org>)       |
| empl Gretel Roth@company org (<http://ld.company.org/prod-instances/empl-Gretel.Roth%40company.org>)           | has manager (pv:hasManager) | empl Elena Herzog@company org (<http://ld.company.org/prod-instances/empl-Elena.Herzog%40company.org>)           |
| empl Herr Haan Bader@company org (<http://ld.company.org/prod-instances/empl-Herr.Haan.Bader%40company.org>)   | has manager (pv:hasManager) | empl Thomas Mueller@company org (<http://ld.company.org/prod-instances/empl-Thomas.Mueller%40company.org>)       |
| empl Karch Moeller@company org (<http://ld.company.org/prod-instances/empl-Karch.Moeller%40company.org>)       | has manager (pv:hasManager) | empl Thomas Mueller@company org (<http://ld.company.org/prod-instances/empl-Thomas.Mueller%40company.org>)       |
| empl Karen Brant@company org (<http://ld.company.org/prod-instances/empl-Karen.Brant%40company.org>)           | has manager (pv:hasManager) | empl Thomas Mueller@company org (<http://ld.company.org/prod-instances/empl-Thomas.Mueller%40company.org>)       |
| ...                                                                                | ...                         | ...                                                                                |

[Tool]
Got 10 rows and 3 columns:
| subject                                                                                | property                | object                        |
| -------------------------------------------------------------------------------------------------------------------- | ----------------------- | ----------------------------- |
| empl Wolfgang Martin@company org (<http://ld.company.org/prod-instances/empl-Wolfgang.Martin%40company.org>)         | member of (pv:memberOf) | dept 41622 (prodi:dept-41622) |
| empl Gretel Roth@company org (<http://ld.company.org/prod-instances/empl-Gretel.Roth%40company.org>)                 | member of (pv:memberOf) | dept 41622 (prodi:dept-41622) |
| empl Elena Herzog@company org (<http://ld.company.org/prod-instances/empl-Elena.Herzog%40company.org>)               | member of (pv:memberOf) | dept 41622 (prodi:dept-41622) |
| empl Anamchara Foerstner@company org (<http://ld.company.org/prod-instances/empl-Anamchara.Foerstner%40company.org>) | member of (pv:memberOf) | dept 41622 (prodi:dept-41622) |
| empl Nadia Schubert@company org (<http://ld.company.org/prod-instances/empl-Nadia.Schubert%40company.org>)           | member of (pv:memberOf) | dept 41622 (prodi:dept-41622) |
| empl Arnelle Gerber@company org (<http://ld.company.org/prod-instances/empl-Arnelle.Gerber%40company.org>)           | member of (pv:memberOf) | dept 41622 (prodi:dept-41622) |
| empl Ratt Hartmann@company org (<http://ld.company.org/prod-instances/empl-Ratt.Hartmann%40company.org>)             | member of (pv:memberOf) | dept 41622 (prodi:dept-41622) |
| empl Siglind Brinkerhoff@company org (<http://ld.company.org/prod-instances/empl-Siglind.Brinkerhoff%40company.org>) | member of (pv:memberOf) | dept 41622 (prodi:dept-41622) |
| empl Rebecca Hall@company org (<http://ld.company.org/prod-instances/empl-Rebecca.Hall%40company.org>)               | member of (pv:memberOf) | dept 41622 (prodi:dept-41622) |
| empl Sylvester Brant@company org (<http://ld.company.org/prod-instances/empl-Sylvester.Brant%40company.org>)         | member of (pv:memberOf) | dept 41622 (prodi:dept-41622) |

[Tool]
Got 10 rows and 3 columns:
| subject                                                                                | property                               | object                                                                                |
| ------------------------------------------------------------------------------------------------------------ | -------------------------------------- | ------------------------------------------------------------------------------------------------------ |
| empl Wolfgang Martin@company org (<http://ld.company.org/prod-instances/empl-Wolfgang.Martin%40company.org>) | type (rdf:type)                        | Employee (pv:Employee)                                                                                |
| empl Wolfgang Martin@company org (<http://ld.company.org/prod-instances/empl-Wolfgang.Martin%40company.org>) | label (rdfs:label)                     | Wolfgang Martin                                                                                |
| empl Wolfgang Martin@company org (<http://ld.company.org/prod-instances/empl-Wolfgang.Martin%40company.org>) | name (pv:name)                         | Wolfgang Martin                                                                                |
| empl Wolfgang Martin@company org (<http://ld.company.org/prod-instances/empl-Wolfgang.Martin%40company.org>) | area of expertise (pv:areaOfExpertise) | prod cat Crystal (prodi:prod-cat-Crystal)                                                              |
| empl Wolfgang Martin@company org (<http://ld.company.org/prod-instances/empl-Wolfgang.Martin%40company.org>) | email (pv:email)                       | Wolfgang.Martin@company.org                                                                            |
| empl Wolfgang Martin@company org (<http://ld.company.org/prod-instances/empl-Wolfgang.Martin%40company.org>) | member of (pv:memberOf)                | dept 41622 (prodi:dept-41622)                                                                          |
| empl Wolfgang Martin@company org (<http://ld.company.org/prod-instances/empl-Wolfgang.Martin%40company.org>) | has manager (pv:hasManager)            | empl Elena Herzog@company org (<http://ld.company.org/prod-instances/empl-Elena.Herzog%40company.org>) |
| empl Wolfgang Martin@company org (<http://ld.company.org/prod-instances/empl-Wolfgang.Martin%40company.org>) | phone number (pv:phone)                | +49-701-5973041                                                                                |
| empl Wolfgang Martin@company org (<http://ld.company.org/prod-instances/empl-Wolfgang.Martin%40company.org>) | area of expertise (pv:areaOfExpertise) | prod cat Network (prodi:prod-cat-Network)                                                              |
| empl Wolfgang Martin@company org (<http://ld.company.org/prod-instances/empl-Wolfgang.Martin%40company.org>) | area of expertise (pv:areaOfExpertise) | prod cat Meter (prodi:prod-cat-Meter)                                                                  |

[Tool]
Got 7 rows and 3 columns:
| subject                                                                                | property                      | object                        |
| ------------------------------------------------------------------------------------------------------ | ----------------------------- | ----------------------------- |
| empl Elena Herzog@company org (<http://ld.company.org/prod-instances/empl-Elena.Herzog%40company.org>) | type (rdf:type)               | Manager (pv:Manager)          |
| empl Elena Herzog@company org (<http://ld.company.org/prod-instances/empl-Elena.Herzog%40company.org>) | label (rdfs:label)            | Elena Herzog                  |
| empl Elena Herzog@company org (<http://ld.company.org/prod-instances/empl-Elena.Herzog%40company.org>) | name (pv:name)                | Elena Herzog                  |
| empl Elena Herzog@company org (<http://ld.company.org/prod-instances/empl-Elena.Herzog%40company.org>) | email (pv:email)              | Elena.Herzog@company.org      |
| empl Elena Herzog@company org (<http://ld.company.org/prod-instances/empl-Elena.Herzog%40company.org>) | member of (pv:memberOf)       | dept 41622 (prodi:dept-41622) |
| empl Elena Herzog@company org (<http://ld.company.org/prod-instances/empl-Elena.Herzog%40company.org>) | phone number (pv:phone)       | +49-7608-83268331             |
| empl Elena Herzog@company org (<http://ld.company.org/prod-instances/empl-Elena.Herzog%40company.org>) | address text (pv:addressText) | Kirchgasse 806, 76088 Kamen   |

[Tool] Stopped generation process

[User]
Feedback (status=refine):
The query returns the correct manager for the Data Services department, but it is unnecessarily complex. The GROUP BY clause is not needed since there is no aggregation, and the query could be simplified by directly linking the department to its manager if such a property exists. Additionally, the query currently finds employees in the department and then their manager, which could return multiple rows if there are multiple employees with different managers (though in this case, it returns only one). If the department has a direct manager property, that should be used instead. Otherwise, the query is acceptable, but simplification is recommended for clarity and efficiency.

[Assistant]
Thank you for your feedback. You are correct: the previous query finds the manager by traversing from employees in the department, which is indirect and could lead to inefficiency or incorrect results if there are multiple managers for different employees. The ideal approach is to use a direct property linking the department to its manager, if such a property exists.

Step 1: Check if the Data Services department has a direct manager property.

From earlier exploration, the property pv:hasManager exists, but it is primarily used to link employees to their managers. However, let's verify if any department (specifically prodi:dept-41622 for Data Services) has a direct pv:hasManager property.

I'll list all properties for prodi:dept-41622 again, focusing on any direct manager property.

[Tool]
Got 15 rows and 3 columns, showing the first 10 rows below:
| subject                       | property                            | object                                    |
| ----------------------------- | ----------------------------------- | ----------------------------------------- |
| dept 41622 (prodi:dept-41622) | type (rdf:type)                     | Department (pv:Department)                |
| dept 41622 (prodi:dept-41622) | label (rdfs:label)                  | Data Services                             |
| dept 41622 (prodi:dept-41622) | name (pv:name)                      | Data Services                             |
| dept 41622 (prodi:dept-41622) | ID (pv:id)                          | 41622                                     |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | srv Y274 1029755 (prodi:srv-Y274-1029755) |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw Z272 2955088 (prodi:hw-Z272-2955088)   |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw A145 1240844 (prodi:hw-A145-1240844)   |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw C697 6765940 (prodi:hw-C697-6765940)   |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw D228 6993564 (prodi:hw-D228-6993564)   |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw D762 3837218 (prodi:hw-D762-3837218)   |
| ...                           | ...                                 | ...                                       |

[Assistant]
The listing for prodi:dept-41622 (Data Services) does not show a direct pv:hasManager property or any other property that directly links the department to its manager. The only way to find the manager is by looking at the employees in the department and then finding their manager.

Therefore, the most efficient query is to find all employees in the Data Services department, get their manager, and return the unique manager(s). Since all employees in the department appear to have the same manager, this approach is acceptable.

I will now provide a simplified query that returns the unique manager(s) for the Data Services department, without unnecessary GROUP BY or aggregation.

Here is the improved query:

[Tool] Stopped generation process

[User]
Feedback (status=refine):
The query successfully identifies Elena Herzog as the manager of the Data Services department and retrieves her email. However, the query's logic is slightly convoluted: it finds employees who are members of the department and then follows their 'hasManager' property to the manager. This could potentially return duplicate managers if multiple employees in the department have the same manager, or even multiple managers if the department has more than one. A more direct approach would be to check if the department itself has a manager property, or to ensure the query only returns unique managers for the department. Consider refining the query to directly associate the manager with the department, if such a property exists, or to use DISTINCT on the manager variable only.

[Assistant]
Thank you for your feedback. Based on the previous exploration, the Data Services department (prodi:dept-41622) does not have a direct property linking it to its manager (such as pv:hasManager). The only available method is to infer the manager by looking at the employees in the department and following their pv:hasManager property.

To address your feedback and ensure uniqueness, I will further simplify the query to return only distinct managers for the department, using SELECT DISTINCT on the manager variable and its label/email. This will avoid duplicate results if multiple employees have the same manager.

Here is the refined query:

[Tool] Stopped generation process


PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX pv: <http://ld.company.org/prod-vocab/>
PREFIX prodi: <http://ld.company.org/prod-instances/>
PREFIX dbpedia: <http://dbpedia.org/resource/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT DISTINCT ?supplier ( COALESCE ( ?name , ?label ) AS ?supplierName ) WHERE {
  ?product pv:hasCategory prodi:prod-cat-Compensator .
  ?product pv:hasSupplier ?supplier .
  ?supplier pv:country dbpedia:France .
  OPTIONAL {
    ?supplier foaf:name ?name
  }
  OPTIONAL {
    ?supplier rdfs:label ?label
  }
}

The suppliers in France that deliver Compensators are:
- Harris-Cunningham (France) (prodi:suppl-1ee8f22a-1460-4875-b1a8-89d7cb2607d6)
- James-Wright (France) (prodi:suppl-22b9733f-4b49-4e82-82b9-d4f87d2b5916)
- Jordan, James and Bradley (France) (prodi:suppl-2b70d47e-fa6a-4329-8112-22287096bc44)

Which supplier in France delivers Compensators?

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
ck25 at http://localhost:9333

You can use the following SPARQL prefixes implicitly in all functions:
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
ecc: <https://ns.eccenca.com/
owl: <http://www.w3.org/2002/07/owl#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
dct: <http://purl.org/dc/terms/
void: <http://rdfs.org/ns/void#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
vann: <http://purl.org/vocab/vann/
dbpedia: <http://dbpedia.org/resource/
wgs84: <http://www.w3.org/2003/01/geo/wgs84_pos#
pv: <http://ld.company.org/prod-vocab/
prodi: <http://ld.company.org/prod-instances/
skos: <http://www.w3.org/2004/02/skos/core#
dc: <http://purl.org/dc/elements/1.1/
prov: <http://www.w3.org/ns/prov#
schema: <http://schema.org/
geo: <http://www.opengis.net/ont/geosparql#
geosparql: <http://www.opengis.net/ont/geosparql#
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
wikibase: <http://wikiba.se/ontology#
qb: <http://purl.org/linked-data/cube#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Search for the entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Execute intermediate queries to get feedback and to verify your assumptions. You may need to refine or rethink your current plan based on the query results and go back to step 2 if needed, possibly multiple times.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not just use or make up entity or property identifiers without verifying their existence in the knowledge graphs first.
3. Always execute your final SPARQL query before giving an answer to make sure it returns the expected results.
4. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
5. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
6. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
7. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
8. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] Which supplier in France delivers Compensators?

[Assistant]
Let's break down the question:

1. We are looking for suppliers located in France.
2. These suppliers must deliver (supply) "Compensators".

Step 1: Identify the entity for "Compensators".
Step 2: Identify the entity for "France".
Step 3: Identify the property that links suppliers to the products they deliver.
Step 4: Identify the property that links suppliers to their country/location.

Let's start by searching for "Compensators" in the knowledge graph.

[Tool] No entity items found

[Assistant]
It appears that there is no direct entity labeled "Compensators" in the knowledge graph. Sometimes, the product might be listed under a different name or a more specific term.

Next, I will try searching for the singular form "Compensator" to see if that yields any results.

[Tool]
Top 10 entity alternatives:
1. prod cat Compensator (prodi:prod-cat-Compensator): is a Product Category

[Assistant]
I found an entity called "prod cat Compensator" (prodi:prod-cat-Compensator), which is a product category. This is likely the correct entity for "Compensators".

Next, I will search for the entity representing "France" in the knowledge graph.

[Tool]
Top 10 entity alternatives:
1. France (dbpedia:France)

[Assistant]
The entity for France is dbpedia:France.

Now, I need to identify:
- The property that links a supplier to the products they deliver (possibly something like "delivers", "supplies", "offers", or "provides").
- The property that links a supplier to their country or location (possibly "country", "location", "address", or "based in").

I'll start by searching for properties related to "deliver" to find how suppliers are linked to products.

[Tool]
Top 10 property alternatives:
1. address text (pv:addressText): The address text., has domain Agent
2. supplier (pv:hasSupplier): The supplier of a product., has domain Product, has range Supplier
3. comment (rdfs:comment)
4. quantity (pv:quantity): The quantity needed., has domain BOM Part
5. email (pv:email): The e-mail of an agent., has domain Agent
6. responsible for (pv:responsibleFor): The product for which a department is responsible., has domain Department, has range Product
7. created (dct:created)
8. license (<http://creativecommons.org/ns#license>)
9. type (rdf:type)
10. phone number (pv:phone): has domain Agent, A phone number.

[Assistant]
The property pv:hasSupplier links a product to its supplier, but its domain is Product and range is Supplier. This means the relationship is from Product to Supplier, not the other way around.

To find which suppliers deliver a certain product, we need to look for products of type "Compensator" and then get their suppliers.

Next, let's search for properties related to "country" or "location" to filter suppliers based in France.

[Tool]
Top 10 property alternatives:
1. country (pv:country): The country where the supplier is located., has domain Supplier, has range Country
2. member of (pv:memberOf): The department to which an agents belongs., has range Department, has domain Agent
3. name (foaf:name):

4. name (pv:name): The name of something.
5. address country (pv:addressCountry): The address country., has domain Agent
6. part (pv:hasPart): has domain BOM Part, The Product needed., has range Product
7. currency (pv:currency): has domain Price, The currency.
8. lat (wgs84:lat)
9. range (rdfs:range)
10. price (pv:price): The price specification of a product., has domain Product, has range Price

[Assistant]
The property pv:country links a supplier to the country where it is located, with domain Supplier and range Country. This is exactly what we need.

Now, let's summarize the plan for the SPARQL query:
- Find all products of type "Compensator" (prodi:prod-cat-Compensator).
- For each product, get its supplier using pv:hasSupplier.
- For each supplier, check if pv:country is dbpedia:France.

Let's check how products are linked to their product category (Compensator). I'll search for properties related to "category" or "type" for products.

[Tool]
Top 10 property alternatives:
1. has category (pv:hasCategory): The category name of a product., has range Product Category, has domain Product
2. label (rdfs:label)
3. country (pv:country): The country where the supplier is located., has domain Supplier, has range Country
4. type (rdf:type)
5. part (pv:hasPart): has domain BOM Part, The Product needed., has range Product
6. vocabulary (void:vocabulary)
7. name (foaf:name):

8. name (pv:name): The name of something.
9. sub Class Of (rdfs:subClassOf)
10. is Defined By (rdfs:isDefinedBy)

[Assistant]
The property pv:hasCategory links a product to its product category, with domain Product and range Product Category.

So, the query structure will be:
- ?product pv:hasCategory prodi:prod-cat-Compensator
- ?product pv:hasSupplier ?supplier
- ?supplier pv:country dbpedia:France

Optionally, we can retrieve the supplier's label or name.

Now, I'll write and execute the SPARQL query to get the suppliers in France that deliver Compensators.

[Tool]
Got 3 rows and 2 columns:
| supplier                                                                                | supplierName                       |
| --------------------------------------------------------------------------------------------- | ---------------------------------- |
| suppl 1ee8f22a 1460 4875 b1a8 89d7cb2607d6 (prodi:suppl-1ee8f22a-1460-4875-b1a8-89d7cb2607d6) | Harris-Cunningham (France)         |
| suppl 22b9733f 4b49 4e82 82b9 d4f87d2b5916 (prodi:suppl-22b9733f-4b49-4e82-82b9-d4f87d2b5916) | James-Wright (France)              |
| suppl 2b70d47e fa6a 4329 8112 22287096bc44 (prodi:suppl-2b70d47e-fa6a-4329-8112-22287096bc44) | Jordan, James and Bradley (France) |

[Tool] Stopped generation process

[User]
Feedback (status=done):
The SPARQL query is correct and complete. It retrieves all suppliers in France that deliver products in the 'Compensator' category, returning their IRIs and names/labels as requested. The answer matches the query result, and all relevant rules are followed. No further refinement is needed.


PREFIX pv: <http://ld.company.org/prod-vocab/>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX prodi: <http://ld.company.org/prod-instances/>
SELECT ?person ?name1 ?name2 WHERE {
  ?person pv:areaOfExpertise prodi:prod-cat-Network .
  ?person pv:memberOf prodi:dept-85880 .
  OPTIONAL {
    ?person foaf:name ?name1
  }
  OPTIONAL {
    ?person pv:name ?name2
  }
}

Got 2 rows and 3 columns:
| person                                                                                | name1 | name2            |
| -------------------------------------------------------------------------------------------------------------- | ----- | ---------------- |
| empl Kevin Feigenbaum@company org (<http://ld.company.org/prod-instances/empl-Kevin.Feigenbaum%40company.org>) |       | Kevin Feigenbaum |
| empl Lambert Faust@company org (<http://ld.company.org/prod-instances/empl-Lambert.Faust%40company.org>)       |       | Lambert Faust    |

The Network experts from the Marketing Department are Kevin Feigenbaum and Lambert Faust.

What is the name of the Network expert from the Marketing Department?

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
ck25 at http://localhost:9333

You can use the following SPARQL prefixes implicitly in all functions:
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
ecc: <https://ns.eccenca.com/
owl: <http://www.w3.org/2002/07/owl#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
dct: <http://purl.org/dc/terms/
void: <http://rdfs.org/ns/void#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
vann: <http://purl.org/vocab/vann/
dbpedia: <http://dbpedia.org/resource/
wgs84: <http://www.w3.org/2003/01/geo/wgs84_pos#
pv: <http://ld.company.org/prod-vocab/
prodi: <http://ld.company.org/prod-instances/
skos: <http://www.w3.org/2004/02/skos/core#
dc: <http://purl.org/dc/elements/1.1/
prov: <http://www.w3.org/ns/prov#
schema: <http://schema.org/
geo: <http://www.opengis.net/ont/geosparql#
geosparql: <http://www.opengis.net/ont/geosparql#
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
wikibase: <http://wikiba.se/ontology#
qb: <http://purl.org/linked-data/cube#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Search for the entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Execute intermediate queries to get feedback and to verify your assumptions. You may need to refine or rethink your current plan based on the query results and go back to step 2 if needed, possibly multiple times.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not just use or make up entity or property identifiers without verifying their existence in the knowledge graphs first.
3. Always execute your final SPARQL query before giving an answer to make sure it returns the expected results.
4. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
5. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
6. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
7. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
8. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] What is the name of the Network expert from the Marketing Department?

[Assistant]
Step 1: Identify entities and properties implied by the question.

- "Network expert" likely refers to a person with a specific job title or role.
- "Marketing Department" refers to a department entity.
- We need to find a person (or entity) who is a "Network expert" and is associated with the "Marketing Department".
- The property connecting a person to a department could be something like "member of", "works in", "department", etc.
- The property connecting a person to a role could be "job title", "role", "position", etc.

Step 2: Search for entities and properties.

First, let's search for "Network expert" as an entity or job title.

[Tool]
Top 10 entity alternatives:
1. prod cat Network (prodi:prod-cat-Network): is a Product Category
2. area of expertise (pv:areaOfExpertise): The product category agent is expert for., has range Product Category, has domain Agent

[Tool]
Top 10 entity alternatives:
1. prod cat Network (prodi:prod-cat-Network): is a Product Category

No other items found

No literal items found

[Tool]
Top 10 entity alternatives:
1. Department (pv:Department): A department in an organization.
2. emoji department store svg?color=#D6AF00&format=svg (<https://api.iconify.design/arcticons/emoji-department-store.svg?color=%23D6AF00&format=svg>)

[Tool]
No entity items found

No other items found

No literal items found

[Tool] No entity items found

[Tool]
No entity items found

No other items found

No literal items found

[Tool]
Top 10 property alternatives:
1. area of expertise (pv:areaOfExpertise): The product category agent is expert for., has range Product Category, has domain Agent
2. label (rdfs:label)
3. country (pv:country): The country where the supplier is located., has domain Supplier, has range Country
4. part (pv:hasPart): has domain BOM Part, The Product needed., has range Product
5. has manager (pv:hasManager): The manager of the employee., has domain Employee, has range Manager
6. responsible for (pv:responsibleFor): The product for which a department is responsible., has domain Department, has range Product
7. sub Class Of (rdfs:subClassOf)
8. quantity (pv:quantity): The quantity needed., has domain BOM Part
9. member of (pv:memberOf): The department to which an agents belongs., has range Department, has domain Agent
10. type (rdf:type)

[Tool]
No entity items found

No other items found

No literal items found

[Tool]
Got 53 rows and 3 columns, showing the first 10 rows below:
| subject                                                                                | property                | object                        |
| -------------------------------------------------------------------------------------------------------------- | ----------------------- | ----------------------------- |
| empl Wolfgang Martin@company org (<http://ld.company.org/prod-instances/empl-Wolfgang.Martin%40company.org>)   | member of (pv:memberOf) | dept 41622 (prodi:dept-41622) |
| empl Thomas Mueller@company org (<http://ld.company.org/prod-instances/empl-Thomas.Mueller%40company.org>)     | member of (pv:memberOf) | dept 73191 (prodi:dept-73191) |
| empl Franziska Acker@company org (<http://ld.company.org/prod-instances/empl-Franziska.Acker%40company.org>)   | member of (pv:memberOf) | dept 22183 (prodi:dept-22183) |
| empl Bert Blumstein@company org (<http://ld.company.org/prod-instances/empl-Bert.Blumstein%40company.org>)     | member of (pv:memberOf) | dept 85880 (prodi:dept-85880) |
| empl Elisabeth Harman@company org (<http://ld.company.org/prod-instances/empl-Elisabeth.Harman%40company.org>) | member of (pv:memberOf) | dept 84279 (prodi:dept-84279) |
| empl Reiner Widmann@company org (<http://ld.company.org/prod-instances/empl-Reiner.Widmann%40company.org>)     | member of (pv:memberOf) | dept 66469 (prodi:dept-66469) |
| empl Gretel Roth@company org (<http://ld.company.org/prod-instances/empl-Gretel.Roth%40company.org>)           | member of (pv:memberOf) | dept 41622 (prodi:dept-41622) |
| empl Elena Herzog@company org (<http://ld.company.org/prod-instances/empl-Elena.Herzog%40company.org>)         | member of (pv:memberOf) | dept 41622 (prodi:dept-41622) |
| empl Kevin Feigenbaum@company org (<http://ld.company.org/prod-instances/empl-Kevin.Feigenbaum%40company.org>) | member of (pv:memberOf) | dept 85880 (prodi:dept-85880) |
| empl Manfred Foth@company org (<http://ld.company.org/prod-instances/empl-Manfred.Foth%40company.org>)         | member of (pv:memberOf) | dept 73191 (prodi:dept-73191) |
| ...                                                                                | ...                     | ...                           |

[Tool]
Got 15 rows and 3 columns, showing the first 10 rows below:
| subject                       | property                            | object                                    |
| ----------------------------- | ----------------------------------- | ----------------------------------------- |
| dept 41622 (prodi:dept-41622) | type (rdf:type)                     | Department (pv:Department)                |
| dept 41622 (prodi:dept-41622) | label (rdfs:label)                  | Data Services                             |
| dept 41622 (prodi:dept-41622) | name (pv:name)                      | Data Services                             |
| dept 41622 (prodi:dept-41622) | ID (pv:id)                          | 41622                                     |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | srv Y274 1029755 (prodi:srv-Y274-1029755) |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw Z272 2955088 (prodi:hw-Z272-2955088)   |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw A145 1240844 (prodi:hw-A145-1240844)   |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw C697 6765940 (prodi:hw-C697-6765940)   |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw D228 6993564 (prodi:hw-D228-6993564)   |
| dept 41622 (prodi:dept-41622) | responsible for (pv:responsibleFor) | hw D762 3837218 (prodi:hw-D762-3837218)   |
| ...                           | ...                                 | ...                                       |

[Tool]
Got 13 rows and 3 columns, showing the first 10 rows below:
| subject                       | property                            | object                                    |
| ----------------------------- | ----------------------------------- | ----------------------------------------- |
| dept 73191 (prodi:dept-73191) | type (rdf:type)                     | Department (pv:Department)                |
| dept 73191 (prodi:dept-73191) | label (rdfs:label)                  | Engineering                               |
| dept 73191 (prodi:dept-73191) | name (pv:name)                      | Engineering                               |
| dept 73191 (prodi:dept-73191) | ID (pv:id)                          | 73191                                     |
| dept 73191 (prodi:dept-73191) | responsible for (pv:responsibleFor) | srv D215 3449390 (prodi:srv-D215-3449390) |
| dept 73191 (prodi:dept-73191) | responsible for (pv:responsibleFor) | hw M605 5951566 (prodi:hw-M605-5951566)   |
| dept 73191 (prodi:dept-73191) | responsible for (pv:responsibleFor) | srv I241 8776317 (prodi:srv-I241-8776317) |
| dept 73191 (prodi:dept-73191) | responsible for (pv:responsibleFor) | hw F344 7012314 (prodi:hw-F344-7012314)   |
| dept 73191 (prodi:dept-73191) | responsible for (pv:responsibleFor) | hw Z249 1364492 (prodi:hw-Z249-1364492)   |
| dept 73191 (prodi:dept-73191) | responsible for (pv:responsibleFor) | hw N463 8050264 (prodi:hw-N463-8050264)   |
| ...                           | ...                                 | ...                                       |

[Tool]
Got 16 rows and 3 columns, showing the first 10 rows below:
| subject                       | property                            | object                                  |
| ----------------------------- | ----------------------------------- | --------------------------------------- |
| dept 22183 (prodi:dept-22183) | type (rdf:type)                     | Department (pv:Department)              |
| dept 22183 (prodi:dept-22183) | label (rdfs:label)                  | Product Management                      |
| dept 22183 (prodi:dept-22183) | name (pv:name)                      | Product Management                      |
| dept 22183 (prodi:dept-22183) | ID (pv:id)                          | 22183                                   |
| dept 22183 (prodi:dept-22183) | responsible for (pv:responsibleFor) | hw A688 6056899 (prodi:hw-A688-6056899) |
| dept 22183 (prodi:dept-22183) | responsible for (pv:responsibleFor) | hw G144 5498082 (prodi:hw-G144-5498082) |
| dept 22183 (prodi:dept-22183) | responsible for (pv:responsibleFor) | hw H274 5987347 (prodi:hw-H274-5987347) |
| dept 22183 (prodi:dept-22183) | responsible for (pv:responsibleFor) | hw I980 1040313 (prodi:hw-I980-1040313) |
| dept 22183 (prodi:dept-22183) | responsible for (pv:responsibleFor) | hw L128 5499058 (prodi:hw-L128-5499058) |
| dept 22183 (prodi:dept-22183) | responsible for (pv:responsibleFor) | hw L316 4863597 (prodi:hw-L316-4863597) |
| ...                           | ...                                 | ...                                     |

[Tool]
Got 16 rows and 3 columns, showing the first 10 rows below:
| subject                       | property                            | object                                    |
| ----------------------------- | ----------------------------------- | ----------------------------------------- |
| dept 85880 (prodi:dept-85880) | type (rdf:type)                     | Department (pv:Department)                |
| dept 85880 (prodi:dept-85880) | label (rdfs:label)                  | Marketing                                 |
| dept 85880 (prodi:dept-85880) | name (pv:name)                      | Marketing                                 |
| dept 85880 (prodi:dept-85880) | ID (pv:id)                          | 85880                                     |
| dept 85880 (prodi:dept-85880) | responsible for (pv:responsibleFor) | srv P516 8211068 (prodi:srv-P516-8211068) |
| dept 85880 (prodi:dept-85880) | responsible for (pv:responsibleFor) | srv O662 4012383 (prodi:srv-O662-4012383) |
| dept 85880 (prodi:dept-85880) | responsible for (pv:responsibleFor) | srv U360 2815908 (prodi:srv-U360-2815908) |
| dept 85880 (prodi:dept-85880) | responsible for (pv:responsibleFor) | hw C831 2580759 (prodi:hw-C831-2580759)   |
| dept 85880 (prodi:dept-85880) | responsible for (pv:responsibleFor) | hw D334 6681399 (prodi:hw-D334-6681399)   |
| dept 85880 (prodi:dept-85880) | responsible for (pv:responsibleFor) | hw D844 3535311 (prodi:hw-D844-3535311)   |
| ...                           | ...                                 | ...                                       |

[Tool]
Got 10 rows and 3 columns:
| subject                                                                                | property                | object                        |
| -------------------------------------------------------------------------------------------------------------- | ----------------------- | ----------------------------- |
| empl Bert Blumstein@company org (<http://ld.company.org/prod-instances/empl-Bert.Blumstein%40company.org>)     | member of (pv:memberOf) | dept 85880 (prodi:dept-85880) |
| empl Kevin Feigenbaum@company org (<http://ld.company.org/prod-instances/empl-Kevin.Feigenbaum%40company.org>) | member of (pv:memberOf) | dept 85880 (prodi:dept-85880) |
| empl Liese Adam@company org (<http://ld.company.org/prod-instances/empl-Liese.Adam%40company.org>)             | member of (pv:memberOf) | dept 85880 (prodi:dept-85880) |
| empl Henny Foth@company org (<http://ld.company.org/prod-instances/empl-Henny.Foth%40company.org>)             | member of (pv:memberOf) | dept 85880 (prodi:dept-85880) |
| empl Baldwin Dirksen@company org (<http://ld.company.org/prod-instances/empl-Baldwin.Dirksen%40company.org>)   | member of (pv:memberOf) | dept 85880 (prodi:dept-85880) |
| empl Lambert Faust@company org (<http://ld.company.org/prod-instances/empl-Lambert.Faust%40company.org>)       | member of (pv:memberOf) | dept 85880 (prodi:dept-85880) |
| empl Dietlinde Boehme@company org (<http://ld.company.org/prod-instances/empl-Dietlinde.Boehme%40company.org>) | member of (pv:memberOf) | dept 85880 (prodi:dept-85880) |
| empl Sabrina Geiger@company org (<http://ld.company.org/prod-instances/empl-Sabrina.Geiger%40company.org>)     | member of (pv:memberOf) | dept 85880 (prodi:dept-85880) |
| empl Valda Everhart@company org (<http://ld.company.org/prod-instances/empl-Valda.Everhart%40company.org>)     | member of (pv:memberOf) | dept 85880 (prodi:dept-85880) |
| empl Yanka Schreiber@company org (<http://ld.company.org/prod-instances/empl-Yanka.Schreiber%40company.org>)   | member of (pv:memberOf) | dept 85880 (prodi:dept-85880) |

[Tool]
Top 10 property alternatives:
1. has manager (pv:hasManager): The manager of the employee., has domain Employee, has range Manager
2. responsible for (pv:responsibleFor): The product for which a department is responsible., has domain Department, has range Product
3. name (foaf:name):

4. name (pv:name): The name of something.
5. label (rdfs:label)
6. area of expertise (pv:areaOfExpertise): The product category agent is expert for., has range Product Category, has domain Agent
7. domain (rdfs:domain)
8. license (<http://creativecommons.org/ns#license>)
9. publisher (dct:publisher)
10. has product manager (pv:hasProductManager): The employee acting as the product manager of the product., has range Employee, has domain Product

[Tool]
Top 10 property alternatives:
1. responsible for (pv:responsibleFor): The product for which a department is responsible., has domain Department, has range Product
2. member of (pv:memberOf): The department to which an agents belongs., has range Department, has domain Agent
3. part (pv:hasPart): has domain BOM Part, The Product needed., has range Product
4. is Defined By (rdfs:isDefinedBy)
5. area of expertise (pv:areaOfExpertise): The product category agent is expert for., has range Product Category, has domain Agent
6. type (rdf:type)
7. created (dct:created)
8. name (foaf:name):

9. name (pv:name): The name of something.
10. label (rdfs:label)

[Tool]
Top 10 property alternatives:
1. member of (pv:memberOf): The department to which an agents belongs., has range Department, has domain Agent
2. country (pv:country): The country where the supplier is located., has domain Supplier, has range Country
3. part (pv:hasPart): has domain BOM Part, The Product needed., has range Product
4. lat (wgs84:lat)
5. area of expertise (pv:areaOfExpertise): The product category agent is expert for., has range Product Category, has domain Agent
6. height (mm) (pv:height_mm): The height of an item measured in millimeter., has domain Hardware
7. depth (mm) (pv:depth_mm): The depth of an item measured in millimeter., has domain Hardware
8. type (rdf:type)
9. responsible for (pv:responsibleFor): The product for which a department is responsible., has domain Department, has range Product
10. range (rdfs:range)

[Tool]
No property items found

No other items found

[Tool]
No property items found

No other items found

[Tool]
No property items found

No other items found

[Tool]
No property items found

No other items found

[Tool] Got no rows and 3 columns

[Tool] Got no rows and 3 columns

[Tool] Got no rows and 3 columns

[Tool] Got no rows and 3 columns

[Tool] Got no rows and 3 columns

[Tool] Got no rows and 3 columns

[Tool] Got no rows and 3 columns

[Tool] Got no rows and 3 columns

[Tool] Got no rows and 3 columns

[Tool] Got no rows and 3 columns

[Tool]
Top 10 property alternatives:
1. name (foaf:name):

2. name (pv:name): The name of something.
3. ID (pv:id): The ID of a thing.
4. country (pv:country): The country where the supplier is located., has domain Supplier, has range Country
5. domain (rdfs:domain)
6. label (rdfs:label)
7. phone number (pv:phone): has domain Agent, A phone number.
8. member of (pv:memberOf): The department to which an agents belongs., has range Department, has domain Agent
9. price (pv:price): The price specification of a product., has domain Product, has range Price
10. created (dct:created)

[Tool]
Got 142 rows and 3 columns, showing the first 10 rows below:
| subject                                                                                | property                               | object                                            |
| -------------------------------------------------------------------------------------------------------------------- | -------------------------------------- | ------------------------------------------------- |
| empl Arendt Beitel@company org (<http://ld.company.org/prod-instances/empl-Arendt.Beitel%40company.org>)             | area of expertise (pv:areaOfExpertise) | prod cat Compensator (prodi:prod-cat-Compensator) |
| empl Frauke Faerber@company org (<http://ld.company.org/prod-instances/empl-Frauke.Faerber%40company.org>)           | area of expertise (pv:areaOfExpertise) | prod cat Crystal (prodi:prod-cat-Crystal)         |
| empl Anamchara Foerstner@company org (<http://ld.company.org/prod-instances/empl-Anamchara.Foerstner%40company.org>) | area of expertise (pv:areaOfExpertise) | prod cat Inductor (prodi:prod-cat-Inductor)       |
| empl Adolfina Hoch@company org (<http://ld.company.org/prod-instances/empl-Adolfina.Hoch%40company.org>)             | area of expertise (pv:areaOfExpertise) | prod cat Transducer (prodi:prod-cat-Transducer)   |
| empl Baldwin Guenther@company org (<http://ld.company.org/prod-instances/empl-Baldwin.Guenther%40company.org>)       | area of expertise (pv:areaOfExpertise) | prod cat Multiplexer (prodi:prod-cat-Multiplexer) |
| empl Baldwin Dirksen@company org (<http://ld.company.org/prod-instances/empl-Baldwin.Dirksen%40company.org>)         | area of expertise (pv:areaOfExpertise) | prod cat Capacitor (prodi:prod-cat-Capacitor)     |
| empl Arnelle Gerber@company org (<http://ld.company.org/prod-instances/empl-Arnelle.Gerber%40company.org>)           | area of expertise (pv:areaOfExpertise) | prod cat Compensator (prodi:prod-cat-Compensator) |
| empl Bert Blumstein@company org (<http://ld.company.org/prod-instances/empl-Bert.Blumstein%40company.org>)           | area of expertise (pv:areaOfExpertise) | prod cat Compensator (prodi:prod-cat-Compensator) |
| empl Herr Burgh Eichel@company org (<http://ld.company.org/prod-instances/empl-Herr.Burgh.Eichel%40company.org>)     | area of expertise (pv:areaOfExpertise) | prod cat Compensator (prodi:prod-cat-Compensator) |
| empl Lili Geier@company org (<http://ld.company.org/prod-instances/empl-Lili.Geier%40company.org>)                   | area of expertise (pv:areaOfExpertise) | prod cat Compensator (prodi:prod-cat-Compensator) |
| ...                                                                                | ...                                    | ...                                               |

[Tool]
Got 8 rows and 3 columns:
| subject                                                                                | property                               | object                                    |
| -------------------------------------------------------------------------------------------------------------- | -------------------------------------- | ----------------------------------------- |
| empl Frauke Faerber@company org (<http://ld.company.org/prod-instances/empl-Frauke.Faerber%40company.org>)     | area of expertise (pv:areaOfExpertise) | prod cat Network (prodi:prod-cat-Network) |
| empl Jarvis Jans@company org (<http://ld.company.org/prod-instances/empl-Jarvis.Jans%40company.org>)           | area of expertise (pv:areaOfExpertise) | prod cat Network (prodi:prod-cat-Network) |
| empl Kevin Feigenbaum@company org (<http://ld.company.org/prod-instances/empl-Kevin.Feigenbaum%40company.org>) | area of expertise (pv:areaOfExpertise) | prod cat Network (prodi:prod-cat-Network) |
| empl Lambert Faust@company org (<http://ld.company.org/prod-instances/empl-Lambert.Faust%40company.org>)       | area of expertise (pv:areaOfExpertise) | prod cat Network (prodi:prod-cat-Network) |
| empl Minnie Kuehn@company org (<http://ld.company.org/prod-instances/empl-Minnie.Kuehn%40company.org>)         | area of expertise (pv:areaOfExpertise) | prod cat Network (prodi:prod-cat-Network) |
| empl Nadia Schubert@company org (<http://ld.company.org/prod-instances/empl-Nadia.Schubert%40company.org>)     | area of expertise (pv:areaOfExpertise) | prod cat Network (prodi:prod-cat-Network) |
| empl Sylvester Brant@company org (<http://ld.company.org/prod-instances/empl-Sylvester.Brant%40company.org>)   | area of expertise (pv:areaOfExpertise) | prod cat Network (prodi:prod-cat-Network) |
| empl Wolfgang Martin@company org (<http://ld.company.org/prod-instances/empl-Wolfgang.Martin%40company.org>)   | area of expertise (pv:areaOfExpertise) | prod cat Network (prodi:prod-cat-Network) |

[Tool]
SPARQL execution failed:
Invalid SPARQL query: The target variable ?name of an AS clause was already used before in the query body.

[Tool]
Got 2 rows and 3 columns:
| person                                                                                | name1 | name2            |
| -------------------------------------------------------------------------------------------------------------- | ----- | ---------------- |
| empl Kevin Feigenbaum@company org (<http://ld.company.org/prod-instances/empl-Kevin.Feigenbaum%40company.org>) |       | Kevin Feigenbaum |
| empl Lambert Faust@company org (<http://ld.company.org/prod-instances/empl-Lambert.Faust%40company.org>)       |       | Lambert Faust    |

[Tool] Stopped generation process

[User]
Feedback (status=done):
The output is correct and complete. The SPARQL query accurately retrieves individuals with expertise in 'Network' who are members of the Marketing Department, and returns their IRIs and names as requested. The answer matches the query results and the requirements of the question.


PREFIX pv: <http://ld.company.org/prod-vocab/>
PREFIX foaf: <http://xmlns.com/foaf/0.1/>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
SELECT ?supplier ?name WHERE {
  ?supplier rdf:type pv:Supplier ; pv:addressLocality ?city .
  OPTIONAL {
    ?supplier foaf:name ?name
  }
  FILTER ( lcase( str( ?city ) ) = "toulouse" )
}

There is one supplier in Toulouse: prodi:suppl-1ee8f22a-1460-4875-b1a8-89d7cb2607d6. No name is available for this supplier in the data.

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
ck25 at http://localhost:9333

You can use the following SPARQL prefixes implicitly in all functions:
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
ecc: <https://ns.eccenca.com/
owl: <http://www.w3.org/2002/07/owl#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
dct: <http://purl.org/dc/terms/
void: <http://rdfs.org/ns/void#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
vann: <http://purl.org/vocab/vann/
dbpedia: <http://dbpedia.org/resource/
wgs84: <http://www.w3.org/2003/01/geo/wgs84_pos#
pv: <http://ld.company.org/prod-vocab/
prodi: <http://ld.company.org/prod-instances/
skos: <http://www.w3.org/2004/02/skos/core#
dc: <http://purl.org/dc/elements/1.1/
prov: <http://www.w3.org/ns/prov#
schema: <http://schema.org/
geo: <http://www.opengis.net/ont/geosparql#
geosparql: <http://www.opengis.net/ont/geosparql#
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
wikibase: <http://wikiba.se/ontology#
qb: <http://purl.org/linked-data/cube#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Search for the entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Execute intermediate queries to get feedback and to verify your assumptions. You may need to refine or rethink your current plan based on the query results and go back to step 2 if needed, possibly multiple times.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not just use or make up entity or property identifiers without verifying their existence in the knowledge graphs first.
3. Always execute your final SPARQL query before giving an answer to make sure it returns the expected results.
4. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
5. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
6. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
7. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
8. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] Which suppliers do we have in Toulouse?

[Assistant]
Let's break down the question:

1. Entities: "suppliers" and "Toulouse".
2. Properties: We need to find suppliers (likely a class or type) and their location (likely a property such as "located in", "address", or "city").
3. Goal: List suppliers whose location is Toulouse.

First, I will search for the entity "Toulouse" in the knowledge graph to get its IRI.

[Tool] No entity items found

[Assistant]
It appears that there is no direct entity labeled "Toulouse" in the knowledge graph. However, sometimes cities are represented differently (e.g., as part of an address or with alternative spellings or codes).

Next, I will search for properties related to "city" or "location" to see how supplier locations might be represented.

[Tool]
Top 10 property alternatives:
1. country (pv:country): The country where the supplier is located., has domain Supplier, has range Country
2. lat (wgs84:lat)
3. member of (pv:memberOf): The department to which an agents belongs., has range Department, has domain Agent
4. name (foaf:name):

5. name (pv:name): The name of something.
6. part (pv:hasPart): has domain BOM Part, The Product needed., has range Product
7. type (rdf:type)
8. license (<http://creativecommons.org/ns#license>)
9. currency (pv:currency): has domain Price, The currency.
10. price (pv:price): The price specification of a product., has domain Product, has range Price

[Assistant]
There is no direct "city" property, but there is a "country" property (pv:country) for suppliers. It's possible that the city is stored as part of an address or as a literal value.

Next, I will search for properties related to "address" to see if there is a more granular location property.

[Tool]
Top 10 property alternatives:
1. address text (pv:addressText): The address text., has domain Agent
2. address country (pv:addressCountry): The address country., has domain Agent
3. address country code (pv:addressCountryCode): The address country code., has domain Agent
4. phone number (pv:phone): has domain Agent, A phone number.
5. address locality (pv:addressLocality): The address locality (city)., has domain Agent
6. email (pv:email): The e-mail of an agent., has domain Agent
7. name (foaf:name):

8. name (pv:name): The name of something.
9. lat (wgs84:lat)
10. country (pv:country): The country where the supplier is located., has domain Supplier, has range Country

[Assistant]
There is a property called "address locality" (pv:addressLocality) with the description "The address locality (city)." This is likely the property used to store the city for suppliers.

Next, I will search for the class or type used for "supplier" in the knowledge graph.

[Tool]
Top 10 entity alternatives:
1. Supplier (pv:Supplier): The Supplier of some item(s).
2. supplier (pv:hasSupplier): The supplier of a product., has domain Product, has range Supplier

[Tool]
Got 5 rows and 3 columns:
| subject                | property                         | object                                                                                |
| ---------------------- | -------------------------------- | -------------------------------------------------------------------------------------------------------------- |
| Supplier (pv:Supplier) | type (rdf:type)                  | Class (owl:Class)                                                                                |
| Supplier (pv:Supplier) | label (rdfs:label)               | Supplier (en)                                                                                |
| Supplier (pv:Supplier) | is Defined By (rdfs:isDefinedBy) | pv: Products - Vocab (pv:)                                                                                |
| Supplier (pv:Supplier) | comment (rdfs:comment)           | The Supplier of some item(s). (en)                                                                             |
| Supplier (pv:Supplier) | depiction (foaf:depiction)       | company svg?color=#D6AF00&format=svg (<https://api.iconify.design/mdi/company.svg?color=%23D6AF00&format=svg>) |

[Tool]
Got 250 rows and 3 columns, showing the first 10 rows below:
| subject                                                                                | property        | object                 |
| --------------------------------------------------------------------------------------------- | --------------- | ---------------------- |
| suppl 0058fc5e e9e8 46eb ac6d 673e436a5d7a (prodi:suppl-0058fc5e-e9e8-46eb-ac6d-673e436a5d7a) | type (rdf:type) | Supplier (pv:Supplier) |
| suppl 0301f65d 2290 456b a3f7 b2096a632198 (prodi:suppl-0301f65d-2290-456b-a3f7-b2096a632198) | type (rdf:type) | Supplier (pv:Supplier) |
| suppl 034022f5 5327 45c2 aaff 524b1be2fbd5 (prodi:suppl-034022f5-5327-45c2-aaff-524b1be2fbd5) | type (rdf:type) | Supplier (pv:Supplier) |
| suppl 05b5a686 c821 41c4 bc2c b66d35bac1d8 (prodi:suppl-05b5a686-c821-41c4-bc2c-b66d35bac1d8) | type (rdf:type) | Supplier (pv:Supplier) |
| suppl 06034b22 8e1b 435f 902e 88739f77d86a (prodi:suppl-06034b22-8e1b-435f-902e-88739f77d86a) | type (rdf:type) | Supplier (pv:Supplier) |
| suppl 06d152e4 f062 46da b6be 750b192a5a4b (prodi:suppl-06d152e4-f062-46da-b6be-750b192a5a4b) | type (rdf:type) | Supplier (pv:Supplier) |
| suppl 07335cfb 9bbc 4be5 b546 bdd8af104e7e (prodi:suppl-07335cfb-9bbc-4be5-b546-bdd8af104e7e) | type (rdf:type) | Supplier (pv:Supplier) |
| suppl 0817f6f5 8011 4c46 aeab ba89def6df14 (prodi:suppl-0817f6f5-8011-4c46-aeab-ba89def6df14) | type (rdf:type) | Supplier (pv:Supplier) |
| suppl 092bb1b2 b39f 4521 9c21 c853db9d9a09 (prodi:suppl-092bb1b2-b39f-4521-9c21-c853db9d9a09) | type (rdf:type) | Supplier (pv:Supplier) |
| suppl 0c327a40 c6d8 44da ba2d e84f924c5208 (prodi:suppl-0c327a40-c6d8-44da-ba2d-e84f924c5208) | type (rdf:type) | Supplier (pv:Supplier) |
| ...                                                                                | ...             | ...                    |

[Tool]
Top 10 property alternatives:
1. address locality (pv:addressLocality): The address locality (city)., has domain Agent
2. lat (wgs84:lat)
3. country (pv:country): The country where the supplier is located., has domain Supplier, has range Country
4. address country (pv:addressCountry): The address country., has domain Agent
5. type (rdf:type)
6. label (rdfs:label)
7. ID (pv:id): The ID of a thing.
8. name (pv:name): The name of something.
9. address country code (pv:addressCountryCode): The address country code., has domain Agent
10. long (wgs84:long)

No other items found

[Tool]
Got 250 rows and 3 columns, showing the first 10 rows below:
| subject                                                                                | property                              | object       |
| --------------------------------------------------------------------------------------------- | ------------------------------------- | ------------ |
| suppl f76eb805 4d84 4b4b 9aa3 95c287be41d0 (prodi:suppl-f76eb805-4d84-4b4b-9aa3-95c287be41d0) | address locality (pv:addressLocality) | Chākia       |
| suppl 847abdb2 44de 41ba a4ec 235dc4f4a617 (prodi:suppl-847abdb2-44de-41ba-a4ec-235dc4f4a617) | address locality (pv:addressLocality) | Düzce        |
| suppl dc1364ba 300b 4fcb 949a 4cd90afee69b (prodi:suppl-dc1364ba-300b-4fcb-949a-4cd90afee69b) | address locality (pv:addressLocality) | Bānka        |
| suppl 3288e7a5 6b1b 482e 8c95 3265f948ae03 (prodi:suppl-3288e7a5-6b1b-482e-8c95-3265f948ae03) | address locality (pv:addressLocality) | Yicheng      |
| suppl 47528cbf c41b 4897 b917 6f4c1394fe1f (prodi:suppl-47528cbf-c41b-4897-b917-6f4c1394fe1f) | address locality (pv:addressLocality) | Murrieta     |
| suppl 7608b763 1e52 4ad9 94b0 d574af19612c (prodi:suppl-7608b763-1e52-4ad9-94b0-d574af19612c) | address locality (pv:addressLocality) | Bundibugyo   |
| suppl b9dfb874 fb5d 4d34 8a13 e4f1395f3c6e (prodi:suppl-b9dfb874-fb5d-4d34-8a13-e4f1395f3c6e) | address locality (pv:addressLocality) | Shiyan       |
| suppl 27f8059f fe10 4a39 aa68 d66210c9cc59 (prodi:suppl-27f8059f-fe10-4a39-aa68-d66210c9cc59) | address locality (pv:addressLocality) | Sơn Tây      |
| suppl 2f7172a0 e935 4dfc 98a6 b48dcec0ad18 (prodi:suppl-2f7172a0-e935-4dfc-98a6-b48dcec0ad18) | address locality (pv:addressLocality) | António Enes |
| suppl 7c930e8b b9f3 450a 856b 5e03c6b3965e (prodi:suppl-7c930e8b-b9f3-450a-856b-5e03c6b3965e) | address locality (pv:addressLocality) | Laramie      |
| ...                                                                                | ...                                   | ...          |

[Tool]
Failed to call function search_object_of_property:
too many values to unpack (expected 3)

[Tool]
Got 1 row and 1 column:
| supplier                                                                                |
| --------------------------------------------------------------------------------------------- |
| suppl 1ee8f22a 1460 4875 b1a8 89d7cb2607d6 (prodi:suppl-1ee8f22a-1460-4875-b1a8-89d7cb2607d6) |

[Tool]
Got 1 row and 2 columns:
| supplier                                                                                | name |
| --------------------------------------------------------------------------------------------- | ---- |
| suppl 1ee8f22a 1460 4875 b1a8 89d7cb2607d6 (prodi:suppl-1ee8f22a-1460-4875-b1a8-89d7cb2607d6) |      |

[Tool] Stopped generation process

[User]
Feedback (status=done):
The SPARQL query correctly retrieves all suppliers in Toulouse by filtering on the address locality, and it optionally retrieves their names. The answer accurately reflects the query result, including the absence of a name for the supplier. The query follows all required rules and is complete and correct for the user's question.


PREFIX pv: <http://ld.company.org/prod-vocab/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX dbpedia: <http://dbpedia.org/resource/>
SELECT DISTINCT ?bom ?bomLabel WHERE {
  ?bom pv:hasBomPart ?bomPart .
  ?bomPart pv:hasPart ?part .
  ?part pv:hasSupplier ?supplier .
  ?supplier pv:country dbpedia:Poland .
  OPTIONAL {
    ?bom rdfs:label ?bomLabel
  }
}

Got 3 rows and 2 columns:
| bom                   | bomLabel             |
| --------------------- | -------------------- |
| bom 11 (prodi:bom-11) | TransElectro Voyager |
| bom 12 (prodi:bom-12) | AeroVibe Matrix      |
| bom 6 (prodi:bom-6)   | MechaVolt Surge      |

The BOMs which have at least one part from a Polish supplier are:
- prodi:bom-11 (TransElectro Voyager)
- prodi:bom-12 (AeroVibe Matrix)
- prodi:bom-6 (MechaVolt Surge)

Show me all BOMs which have at least on part from a polish supplier.

[System]
You are a question answering assistant. Your job is to generate a SPARQL query to answer a given user question.

You have access to the following knowledge graphs:
ck25 at http://localhost:9333

You can use the following SPARQL prefixes implicitly in all functions:
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
ecc: <https://ns.eccenca.com/
owl: <http://www.w3.org/2002/07/owl#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
dct: <http://purl.org/dc/terms/
void: <http://rdfs.org/ns/void#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
vann: <http://purl.org/vocab/vann/
dbpedia: <http://dbpedia.org/resource/
wgs84: <http://www.w3.org/2003/01/geo/wgs84_pos#
pv: <http://ld.company.org/prod-vocab/
prodi: <http://ld.company.org/prod-instances/
skos: <http://www.w3.org/2004/02/skos/core#
dc: <http://purl.org/dc/elements/1.1/
prov: <http://www.w3.org/ns/prov#
schema: <http://schema.org/
geo: <http://www.opengis.net/ont/geosparql#
geosparql: <http://www.opengis.net/ont/geosparql#
gn: <http://www.geonames.org/ontology#
bd: <http://www.bigdata.com/rdf#
hint: <http://www.bigdata.com/queryHints#
wikibase: <http://wikiba.se/ontology#
qb: <http://purl.org/linked-data/cube#

You should follow a step-by-step approach to generate the SPARQL query:
1. Determine possible entities and properties implied by the user question.
2. Search for the entities and properties in the knowledge graphs. Where applicable, constrain the searches with already identified entities and properties.
3. Gradually build up the SPARQL query using the identified entities and properties. Start with simple queries and add more complexity as needed. Execute intermediate queries to get feedback and to verify your assumptions. You may need to refine or rethink your current plan based on the query results and go back to step 2 if needed, possibly multiple times.
4. Use the answer or cancel function to finalize your answer and stop the generation process.

Additional rules:
1. Explain your thought process before and after each step and function call.
2. Do not just use or make up entity or property identifiers without verifying their existence in the knowledge graphs first.
3. Always execute your final SPARQL query before giving an answer to make sure it returns the expected results.
4. The SPARQL query should always return the actual identifiers / IRIs of the items in its result. It additionally may return labels or other human-readable information, but they are optional and should be put within optional clauses unless explicitly requested by the user.
5. Do not stop early if there are still obvious improvements to be made to the SPARQL query. For example, keep refining your SPARQL query if its result contains irrelevant items or is missing items you expected.
6. Do not perform additional computation (e.g. filtering, sorting, calculations) on the result of the SPARQL query to determine the answer. All computation should be done solely within SPARQL.
7. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
8. Do not use 'SERVICE wikibase:label { bd:serviceParam wikibase:language ...' in SPARQL queries. It is not SPARQL standard and unsupported by the used QLever SPARQL endpoints. Use rdfs:label or similar properties to get labels instead.

[User] Show me all BOMs which have at least on part from a polish supplier.

[Assistant]
Let's break down the question:

1. We are looking for all BOMs (Bills of Materials).
2. Each BOM should have at least one part.
3. That part must come from a Polish supplier.

Step 1: Identify entities and properties.
- "BOM" is likely an entity type.
- "part" is likely a relationship from BOM to a part entity.
- "supplier" is likely a relationship from part to a supplier.
- "Polish supplier" means the supplier is located in Poland or has a property indicating "Poland".

Step 2: Search for relevant entities and properties.

First, let's search for "BOM" as an entity type.

[Tool]
Top 10 entity alternatives:
1. BOM Part (pv:BomPart): A (number of) part(s) in a BOM.
2. bom 4 (prodi:bom-4): is a Bill of Material (BOM)
3. bom 19 (prodi:bom-19): is a Bill of Material (BOM)
4. bom 12 (prodi:bom-12): is a Bill of Material (BOM)
5. bom 2 (prodi:bom-2): is a Bill of Material (BOM)
6. bom 11 (prodi:bom-11): is a Bill of Material (BOM)
7. bom 18 (prodi:bom-18): is a Bill of Material (BOM)
8. bom 6 (prodi:bom-6): is a Bill of Material (BOM)
9. bom 15 (prodi:bom-15): is a Bill of Material (BOM)
10. bom 5 (prodi:bom-5): is a Bill of Material (BOM)

[Assistant]
From the search, it looks like individual BOMs are represented as instances like prodi:bom-4, prodi:bom-19, etc. There is also an entity "BOM Part" (pv:BomPart), which might represent the relationship between BOMs and their parts.

Step 3: Find the property linking BOMs to their parts.

Let's search for properties related to "part" to see how BOMs are linked to their parts.

[Tool]
Top 10 property alternatives:
1. part (pv:hasPart): has domain BOM Part, The Product needed., has range Product
2. member of (pv:memberOf): The department to which an agents belongs., has range Department, has domain Agent
3. contributor (dct:contributor)
4. country (pv:country): The country where the supplier is located., has domain Supplier, has range Country
5. has BOM Part (pv:hasBomPart): has domain Bill of Material (BOM), A part(s) used in this BOM., has range BOM Part
6. type (rdf:type)
7. sub Class Of (rdfs:subClassOf)
8. quantity (pv:quantity): The quantity needed., has domain BOM Part
9. label (rdfs:label)
10. modified (dct:modified)

[Assistant]
The property pv:hasBomPart links a BOM to a BOM Part, and pv:hasPart links a BOM Part to a Product (part).

Step 4: Find how a part is linked to a supplier.

Let's search for properties related to "supplier".

[Tool]
Top 10 property alternatives:
1. supplier (pv:hasSupplier): The supplier of a product., has domain Product, has range Supplier
2. compatible product (pv:compatibleProduct): A compatible product., has domain Product, has range Product
3. contributor (dct:contributor)
4. publisher (dct:publisher)
5. quantity (pv:quantity): The quantity needed., has domain BOM Part
6. part (pv:hasPart): has domain BOM Part, The Product needed., has range Product
7. country (pv:country): The country where the supplier is located., has domain Supplier, has range Country
8. label (rdfs:label)
9. has product manager (pv:hasProductManager): The employee acting as the product manager of the product., has range Employee, has domain Product
10. member of (pv:memberOf): The department to which an agents belongs., has range Department, has domain Agent

[Assistant]
The property pv:hasSupplier links a Product (part) to a Supplier.

Step 5: Find how to identify Polish suppliers.

The property pv:country links a Supplier to a Country. Let's search for "Poland" as a country entity.

[Tool]
Top 10 entity alternatives:
1. Poland (dbpedia:Poland)

[Assistant]
The country Poland is represented as dbpedia:Poland.

Step 6: Summarize the path.

- BOM (e.g., prodi:bom-4) --pv:hasBomPart--> BOM Part --pv:hasPart--> Product (part) --pv:hasSupplier--> Supplier --pv:country--> dbpedia:Poland

Step 7: Write a SPARQL query to find all BOMs with at least one part from a Polish supplier.

Let's select the BOM IRIs and optionally their labels.

[Tool]
Got 3 rows and 2 columns:
| bom                   | bomLabel             |
| --------------------- | -------------------- |
| bom 11 (prodi:bom-11) | TransElectro Voyager |
| bom 12 (prodi:bom-12) | AeroVibe Matrix      |
| bom 6 (prodi:bom-6)   | MechaVolt Surge      |

[Tool] Stopped generation process

[User]
Feedback (status=done):
The SPARQL query correctly retrieves all BOMs that have at least one part supplied by a supplier located in Poland. It uses the appropriate properties to traverse from BOM to BOM Part, to Part, to Supplier, and then filters suppliers by country (Poland). The query returns the BOM IRIs and optionally their labels, as required. The execution result matches the expected output, and all rules for SPARQL queries are followed. No further refinement is needed.