PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX dblp: <https://dblp.org/rdf/schema#>
SELECT ?pub ?title ?year ?author ?authorName WHERE {
  ?pub dblp:yearOfPublication ?year ; dblp:title ?title ; dblp:authoredBy ?author .
  ?author dblp:creatorName ?authorName .
  FILTER ( ?year <= "1940" ^^ xsd:gYear )
}
ORDER BY ?year

Got 71 rows and 5 columns, showing the first 5 and last 5 rows below:
| pub                                                                                | title                                                               | year             | author                                             | authorName        |
| ----------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------- | ---------------- | -------------------------------------------------- | ----------------- |
| Alonzo Church: Correction to ...Entscheidungsproblem. (1936) (<https://dblp.org/rec/journals/jsyml/Church36a>)   | Correction to A Note on the Entscheidungsproblem.                   | 1936 (xsd:gYear) | Alonzo Church (<https://dblp.org/pid/96/6427>)     | Alonzo Church     |
| J. Barkley Rosser: Extensions of...rems of Gödel and Church. (1936) (<https://dblp.org/rec/journals/jsyml/Rosser36a>)   | Extensions of Some Theorems of Gödel and Church.                    | 1936 (xsd:gYear) | J. Barkley Rosser (<https://dblp.org/pid/22/2861>) | J. Barkley Rosser |
| J. Barkley Rosser: Constructibil... Criterion for Existence. (1936) (<https://dblp.org/rec/journals/jsyml/Rosser36>)    | Constructibility as a Criterion for Existence.                      | 1936 (xsd:gYear) | J. Barkley Rosser (<https://dblp.org/pid/22/2861>) | J. Barkley Rosser |
| Arnold F. Emch: Addendum to the ...ion and Deducibility. (1936) (<https://dblp.org/rec/journals/jsyml/Emch36a>)     | Addendum to the Article Implication and Deducibility.               | 1936 (xsd:gYear) | Arnold F. Emch (<https://dblp.org/pid/19/2688>)    | Arnold F. Emch    |
| Arnold F. Emch: Implication and Deducibility. (1936) (<https://dblp.org/rec/journals/jsyml/Emch36>)                     | Implication and Deducibility.                                       | 1936 (xsd:gYear) | Arnold F. Emch (<https://dblp.org/pid/19/2688>)    | Arnold F. Emch    |
| ...                                                                                | ...                                                                 | ...              | ...                                                | ...               |
| George Pólya: Sur Les Types Des Propositions Composées. (1940) (<https://dblp.org/rec/journals/jsyml/Polya40>)          | Sur Les Types Des Propositions Composées.                           | 1940 (xsd:gYear) | George Pólya (<https://dblp.org/pid/90/4807>)      | George Pólya      |
| Henry S. Leonard and Nelson Good...Individuals and Its Uses. (1940) (<https://dblp.org/rec/journals/jsyml/LeonardG40>)  | The Calculus of Individuals and Its Uses.                           | 1940 (xsd:gYear) | Nelson Goodman (<https://dblp.org/pid/78/3870>)    | Nelson Goodman    |
| Willard Van Orman Quine and Nels...Extra-Logical Postulates. (1940) (<https://dblp.org/rec/journals/jsyml/QuineG40>)    | Elimination of Extra-Logical Postulates.                            | 1940 (xsd:gYear) | Nelson Goodman (<https://dblp.org/pid/78/3870>)    | Nelson Goodman    |
| J. C. C. McKinsey: Proof That Th...s's System S2. (1940) (<https://dblp.org/rec/journals/jsyml/McKinsey40a>) | Proof That There are Infinitely ...Modalities in Lewis's System S2. | 1940 (xsd:gYear) | J. C. C. McKinsey (<https://dblp.org/pid/80/3727>) | J. C. C. McKinsey |
| J. C. C. McKinsey: A Correction ...angford's Symbolic Logic. (1940) (<https://dblp.org/rec/journals/jsyml/McKinsey40b>) | A Correction to Lewis and Langford's Symbolic Logic.                | 1940 (xsd:gYear) | J. C. C. McKinsey (<https://dblp.org/pid/80/3727>) | J. C. C. McKinsey |

The query returns all papers in dblp published until 1940, including their titles, authors (with names), and year of publication. Each result contains the paper IRI, title, year, author IRI, and author name.

[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:
dblp at https://qlever.cs.uni-freiburg.de/api/dblp

You can use the following SPARQL prefixes implicitly in all functions:
bibtex: <http://purl.org/net/nknouf/ns/bibtex#
cito: <http://purl.org/spar/cito/
datacite: <http://purl.org/spar/datacite/
dblp: <https://dblp.org/rdf/schema#
dblps: <https://dblp.org/rdf/schema-2020-07-01#
literal: <http://purl.org/spar/literal/
owl: <http://www.w3.org/2002/07/owl#
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
schema: <http://schema.org/
terms: <http://purl.org/dc/terms/
wd: <http://www.wikidata.org/entity/
wdt: <http://www.wikidata.org/prop/direct/
wikibase: <http://wikiba.se/ontology#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
skos: <http://www.w3.org/2004/02/skos/core#
dc: <http://purl.org/dc/elements/1.1/
prov: <http://www.w3.org/ns/prov#
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#
qb: <http://purl.org/linked-data/cube#
void: <http://rdfs.org/ns/void#

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. Use the functions to search for 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. Use the execute function to get feedback on intermediate queries. You can go back and forth between knowledge graph searches and SPARQL query executions to refine the query.
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 assume or make up any entities or properties without verifying them with the knowledge graphs and functions.
3. 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.
4. 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.
5. 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.
6. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
7. 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] Titles of all papers in dblp published until 1940, their authors with names, and the year of publication

[Assistant]
Let's break down the question:

1. We need all papers published until 1940.
2. For each paper, we need:
   - The title
   - The year of publication
   - The authors, with their names

Step 1: Identify entities and properties.
- Papers: likely instances of dblp:Publication or similar.
- Title: likely terms:title, dc:title, or similar.
- Year: likely terms:issued, dc:date, or similar.
- Authors: likely dblp:author, foaf:name, or similar.

Step 2: Search for the relevant properties in dblp.

I'll start by searching for "year" and "title" properties.

[Tool]
Top 10 property alternatives:
1. year of event (dblp:yearOfEvent): The year the conference or workshop contribution has been presented., Publication
2. year of publication (dblp:yearOfPublication): The year the publication's issue or volume has been published., Publication
3. published in (dblp:publishedIn): The name of the series, the journal, or the book in which the pu...journals and conference series are modelled as proper entities.), Publication
4. month of publication (dblp:monthOfPublication): The month the publication has been published., Publication
5. published by (dblp:publishedBy): The publisher of the publication. (Remark: This property current...string values until publishers are modelled as proper entities.), Publication
6. issn (dblp:issn): An International Standard Serial Number., identifier, Stream
7. title (dblp:title): The title of the publication., Publication
8. published in series (dblp:publishedInSeries): The name of the series in which the publication has been publish...journals and conference series are modelled as proper entities.), Publication, publishedIn
9. authored by (dblp:authoredBy): The publication is authored by the creator., Publication, createdBy, Creator
10. published as part of (dblp:publishedAsPartOf): The publication has been published as a part of the other publication., Publication

[Tool]
Top 10 property alternatives:
1. authored by (dblp:authoredBy): The publication is authored by the creator., Publication, createdBy, Creator
2. published by (dblp:publishedBy): The publisher of the publication. (Remark: This property current...string values until publishers are modelled as proper entities.), Publication
3. edited by (dblp:editedBy): The publication is edited by the creator., Publication, createdBy, Creator
4. published in (dblp:publishedIn): The name of the series, the journal, or the book in which the pu...journals and conference series are modelled as proper entities.), Publication
5. published in book (dblp:publishedInBook): The name of the book in which the publication has been published...journals and conference series are modelled as proper entities.), Publication, publishedIn
6. creator name (dblp:creatorName): The full name of the creator., Creator
7. year of publication (dblp:yearOfPublication): The year the publication's issue or volume has been published., Publication
8. published in series (dblp:publishedInSeries): The name of the series in which the publication has been publish...journals and conference series are modelled as proper entities.), Publication, publishedIn
9. created by (dblp:createdBy): The publication is created by the creator., Publication, Creator
10. published in book chapter (dblp:publishedInBookChapter): The chapter of the book in which the publication has been publis...journals and conference series are modelled as proper entities.), Publication

[Tool]
Top 10 property alternatives:
1. title (dblp:title): The title of the publication., Publication
2. stream title (dblp:streamTitle): A title of the stream., Stream
3. published by (dblp:publishedBy): The publisher of the publication. (Remark: This property current...string values until publishers are modelled as proper entities.), Publication
4. primary stream title (dblp:primaryStreamTitle): The primary title of the stream., streamTitle, Stream
5. isbn (dblp:isbn): An International Standard Book Number., Publication, identifier
6. published in (dblp:publishedIn): The name of the series, the journal, or the book in which the pu...journals and conference series are modelled as proper entities.), Publication
7. former stream title (dblp:formerStreamTitle): A former title of the stream., streamTitle, Stream
8. year of publication (dblp:yearOfPublication): The year the publication's issue or volume has been published., Publication
9. index page (dblp:indexPage): The URL of the dblp stream index page for this stream., Stream
10. document page (dblp:documentPage): The URL of the electronic edition of the publication., Publication, webpage

[Tool]
Top 10 property alternatives:
1. creator name (dblp:creatorName): The full name of the creator., Creator
2. title (dblp:title): The title of the publication., Publication
3. stream title (dblp:streamTitle): A title of the stream., Stream
4. has signature (dblp:hasSignature): A signature that links this publication to an creator., Publication, Signature
5. webpage (dblp:webpage): The URL of a web page about this item., Entity
6. primary creator name (dblp:primaryCreatorName): The primary full name of the creator., creatorname, Creator
7. signature dblp name (dblp:signatureDblpName): A dblp name (including any possible trailing homonym number) that links the publication to a creator., Signature
8. former stream title (dblp:formerStreamTitle): A former title of the stream., streamTitle, Stream
9. signature orcid (dblp:signatureOrcid): An ORCID that links the publication to a creator., Signature
10. published by (dblp:publishedBy): The publisher of the publication. (Remark: This property current...string values until publishers are modelled as proper entities.), Publication

[Tool]
Top 10 entity alternatives:
1. Publication (dblp:Publication): A publication.
2. Publications (<https://dblp.org/streams/journals/publications>)
3. publicationNote (dblp:publicationNote): An additional note to the publication.
4. Publication Notice. (2020) (<https://dblp.org/rec/journals/tinstmc/X20>)
5. Publication Notice. (2024) (<https://dblp.org/rec/journals/simulation/X24>)
6. Publication only. (1972) (<https://dblp.org/rec/conf/acm/X72>)
7. IFIP Publications (<https://dblp.org/streams/series/ifip>)
8. Dagstuhl Publications (<https://dblp.org/streams/conf/dagstuhl>)
9. IFIP TC3/WG3.6 Publication (<https://dblp.org/streams/conf/ifip3-6>)
10. Schiettecatte: Publication notes. (1991) (<https://dblp.org/rec/journals/sigchi/Schiettecatte91>)

[Tool]
Got 12 rows and 3 columns, showing the first 10 rows below:
| subject                        | property            | object                                       |
| ------------------------------ | ------------------- | -------------------------------------------- |
| Publication (dblp:Publication) | rdfs:subClassOf     | Entity (dblp:Entity)                         |
| Publication (dblp:Publication) | rdf:type            | rdfs:Class                                   |
| Publication (dblp:Publication) | rdfs:comment        | A publication. (en)                          |
| Publication (dblp:Publication) | rdfs:label          | Publication (en)                             |
| Publication (dblp:Publication) | owl:equivalentClass | wd:Q591041                                   |
| Publication (dblp:Publication) | rdf:type            | owl:Class                                    |
| Publication (dblp:Publication) | rdfs:subClassOf     | <http://dbpedia.org/ontology/WrittenWork>    |
| Publication (dblp:Publication) | rdfs:subClassOf     | <http://id.loc.gov/ontologies/bibframe/Work> |
| Publication (dblp:Publication) | rdfs:subClassOf     | terms:BibliographicResource                  |
| Publication (dblp:Publication) | rdfs:subClassOf     | <http://purl.org/ontology/bibo/Document>     |
| ...                            | ...                 | ...                                          |

[Tool] Got no rows and 5 columns

[Tool] Got no rows and 5 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 10 rows and 2 columns:
| pub                                                                                | title                                                               |
| ------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------- |
| Marc Rettig: The no-nonsense guide to computing careers. (1992) (<https://dblp.org/rec/books/acm/0082477>)                | The no-nonsense guide to computing careers.                         |
| Philip R. Cohen and Sharon L. Ov...peech and pen interfaces. (2017) (<https://dblp.org/rec/books/acm/17/CohenO17>)        | Multimodal speech and pen interfaces.                               |
| Euan Freeman et al.: Multimodal ..., and their applications. (2017) (<https://dblp.org/rec/books/acm/17/FreemanWVNPB17>)  | Multimodal feedback in HCI: hapt...h audio, and their applications. |
| Ken Hinckley: A background persp...d multisensor) construct. (2017) (<https://dblp.org/rec/books/acm/17/Hinckley17>)      | A background perspective on touc...dal (and multisensor) construct. |
| Karin Harman James et al.: Persp...th multimodal technology. (2017) (<https://dblp.org/rec/books/acm/17/JamesLSCO17>)     | Perspectives on learning with multimodal technology.                |
| Anthony Jameson and Per Ola Kris...porting modality choices. (2017) (<https://dblp.org/rec/books/acm/17/JamesonK17>)      | Understanding and supporting modality choices.                      |
| Karin Harman James et al.: The i...rain activation patterns. (2017) (<https://dblp.org/rec/books/acm/17/JamesVM17>)       | The impact of multimodal-multise...e and brain activation patterns. |
| Athanasios Katsamanis et al.: Mu...odal gesture recognition. (2017) (<https://dblp.org/rec/books/acm/17/KatsamanisPTM17>) | Multimodal gesture recognition.                                     |
| Stefan Kopp and Kirsten Bergmann...h and gesture production. (2017) (<https://dblp.org/rec/books/acm/17/KoppB17>)         | Using cognitive models to unders...r speech and gesture production. |
| Karon E. MacLean et al.: Multise...nse and designing for it. (2017) (<https://dblp.org/rec/books/acm/17/MacLeanSS17>)     | Multisensory haptic interactions... the sense and designing for it. |

[Tool]
Got 20 rows and 3 columns, showing the first 5 and last 5 rows below:
| pub                                                                                | title                                                               | year |
| --------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------- | ---- |
| Thomas P. Moran et al.: Walls at...c Walls in the Workplace. (1999) (<https://dblp.org/rec/conf/fod/MoranMS99>)       | Walls at Work Physical and Electronic Walls in the Workplace.       |      |
| Saiful Islam Rimon and Md. Mokam...chine Learning Algorithm. (2022) (<https://dblp.org/rec/conf/ico/RimonH22>)        | Malware Detection and Classifica...brid Machine Learning Algorithm. |      |
| Norbert Bolz: Produktivkraft Kom...Zeitalter des Cyberspace. (1999) (<https://dblp.org/rec/conf/fod/Bolz99>)          | Produktivkraft Kommunikation - Ü...ben im Zeitalter des Cyberspace. |      |
| John Michael B. Reyes et al.: Io...the Philippine Landscape. (2023) (<https://dblp.org/rec/conf/ico/ReyesRSM23>)      | IoT Overview: Exploring the Adop...ges in the Philippine Landscape. |      |
| Michael Englisch: Human Interfac...ediale Arbeitsumgebungen. (1999) (<https://dblp.org/rec/conf/fod/Englisch99>)      | Human Interfaces - Design für multimediale Arbeitsumgebungen.       |      |
| ...                                                                                | ...                                                                 | ...  |
| Tanjina Akter Ripa et al.: Detec...ng CNN and Deep Learning. (2023) (<https://dblp.org/rec/conf/ico/RipaAASJSR23>)    | Detecting Biodegradable and Non-...age Using CNN and Deep Learning. |      |
| Franz Müntefering: Grußwort. (1999) (<https://dblp.org/rec/conf/fod/Munefering99>)                                    | Grußwort.                                                           |      |
| Osman Orhon: Neubau - Chance für... innovative Organisation. (1999) (<https://dblp.org/rec/conf/fod/Orhon99>)         | Neubau - Chance für eine innovative Organisation.                   |      |
| Tatiana Surazhsky et al.: Smooth...ith Different Topologies. (2000) (<https://dblp.org/rec/conf/ewcg/SurazhskySBT00>) | Smooth Blending of Polygonal Slices with Different Topologies.      |      |
| Matthias Pietzcker and Dieter Jä...tierte Immobilienplanung. (1999) (<https://dblp.org/rec/conf/fod/PietzckerJ99>)    | Büroanforderungen im Wandel - He...tsorientierte Immobilienplanung. |      |

[Tool] Got no rows and 3 columns

[Tool]
Got 90 rows and 1 column, showing the first 5 and last 5 rows below:
| year             |
| ---------------- |
| 1936 (xsd:gYear) |
| 1937 (xsd:gYear) |
| 1938 (xsd:gYear) |
| 1939 (xsd:gYear) |
| 1940 (xsd:gYear) |
| ...              |
| 2021 (xsd:gYear) |
| 2022 (xsd:gYear) |
| 2023 (xsd:gYear) |
| 2024 (xsd:gYear) |
| 2025 (xsd:gYear) |

[Tool]
Got 10 rows and 2 columns:
| pub                                                                                | title                                                               |
| --------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------- |
| Alonzo Church: A Note on the Entscheidungsproblem. (1936) (<https://dblp.org/rec/journals/jsyml/Church36>)            | A Note on the Entscheidungsproblem.                                 |
| Alonzo Church: Correction to <i>...Entscheidungsproblem</i>. (1936) (<https://dblp.org/rec/journals/jsyml/Church36a>) | Correction to A Note on the Entscheidungsproblem.                   |
| Curt John Ducasse: List of Offic...ation for Symbolic Logic. (1936) (<https://dblp.org/rec/journals/jsyml/Ducasse36>) | List of Officers and Members of the Association for Symbolic Logic. |
| Arnold F. Emch: Implication and Deducibility. (1936) (<https://dblp.org/rec/journals/jsyml/Emch36>)                   | Implication and Deducibility.                                       |
| Arnold F. Emch: Addendum to the ...ion and Deducibility</i>. (1936) (<https://dblp.org/rec/journals/jsyml/Emch36a>)   | Addendum to the Article Implication and Deducibility.               |
| Frederic Brenton Fitch: A System... to the Curry W Operator. (1936) (<https://dblp.org/rec/journals/jsyml/Fitch36>)   | A System of Formal Logic Without...nalogue to the Curry W Operator. |
| C. I. Lewis: Emch's Calculus and Strict Implication. (1936) (<https://dblp.org/rec/journals/jsyml/Lewis36>)           | Emch's Calculus and Strict Implication.                             |
| Emil L. Post: Finite Combinatory Processes-Formulation 1. (1936) (<https://dblp.org/rec/journals/jsyml/Post36>)       | Finite Combinatory Processes-Formulation 1.                         |
| Willard Van Orman Quine: Toward a Calculus of Concepts. (1936) (<https://dblp.org/rec/journals/jsyml/Quine36>)        | Toward a Calculus of Concepts.                                      |
| Willard Van Orman Quine: Set-The...ic Foundations for Logic. (1936) (<https://dblp.org/rec/journals/jsyml/Quine36a>)  | Set-Theoretic Foundations for Logic.                                |

[Tool]
Got 30 rows and 3 columns, showing the first 10 rows below:
| subject                                                                                | property                                   | object                                                                    |
| ---------------------------------------------------------------------------------------------------------- | ------------------------------------------ | ------------------------------------------------------------------------- |
| Alonzo Church: A Note on the Entscheidungsproblem. (1936) (<https://dblp.org/rec/journals/jsyml/Church36>) | hasSignature (dblp:hasSignature)           | _:bn28674161                                                              |
| Alonzo Church: A Note on the Entscheidungsproblem. (1936) (<https://dblp.org/rec/journals/jsyml/Church36>) | createdBy (dblp:createdBy)                 | Alonzo Church (<https://dblp.org/pid/96/6427>)                            |
| Alonzo Church: A Note on the Entscheidungsproblem. (1936) (<https://dblp.org/rec/journals/jsyml/Church36>) | authoredBy (dblp:authoredBy)               | Alonzo Church (<https://dblp.org/pid/96/6427>)                            |
| Alonzo Church: A Note on the Entscheidungsproblem. (1936) (<https://dblp.org/rec/journals/jsyml/Church36>) | publishedInStream (dblp:publishedInStream) | The Journal of Symbolic Logic (<https://dblp.org/streams/journals/jsyml>) |
| Alonzo Church: A Note on the Entscheidungsproblem. (1936) (<https://dblp.org/rec/journals/jsyml/Church36>) | documentPage (dblp:documentPage)           | <http://projecteuclid.org/euclid.jsl/1183142088>                          |
| Alonzo Church: A Note on the Entscheidungsproblem. (1936) (<https://dblp.org/rec/journals/jsyml/Church36>) | bibtexType (dblp:bibtexType)               | bibtex:Article                                                            |
| Alonzo Church: A Note on the Entscheidungsproblem. (1936) (<https://dblp.org/rec/journals/jsyml/Church36>) | numberOfCreators (dblp:numberOfCreators)   | 1 (xsd:int)                                                               |
| Alonzo Church: A Note on the Entscheidungsproblem. (1936) (<https://dblp.org/rec/journals/jsyml/Church36>) | title (dblp:title)                         | A Note on the Entscheidungsproblem.                                       |
| Alonzo Church: A Note on the Entscheidungsproblem. (1936) (<https://dblp.org/rec/journals/jsyml/Church36>) | yearOfPublication (dblp:yearOfPublication) | 1936 (xsd:gYear)                                                          |
| Alonzo Church: A Note on the Entscheidungsproblem. (1936) (<https://dblp.org/rec/journals/jsyml/Church36>) | listedOnTocPage (dblp:listedOnTocPage)     | <https://dblp.org/db/journals/jsyml/jsyml1>                               |
| ...                                                                                | ...                                        | ...                                                                       |

[Tool]
Got 27 rows and 3 columns, showing the first 10 rows below:
| subject                                        | property                                     | object                                        |
| ---------------------------------------------- | -------------------------------------------- | --------------------------------------------- |
| Alonzo Church (<https://dblp.org/pid/96/6427>) | creatorname (dblp:creatorName)               | Alonzo Church                                 |
| Alonzo Church (<https://dblp.org/pid/96/6427>) | primaryCreatorName (dblp:primaryCreatorName) | Alonzo Church                                 |
| Alonzo Church (<https://dblp.org/pid/96/6427>) | wikidata (dblp:wikidata)                     | wd:Q92741                                     |
| Alonzo Church (<https://dblp.org/pid/96/6427>) | webpage (dblp:webpage)                       | <https://dl.acm.org/profile/81309513577>      |
| Alonzo Church (<https://dblp.org/pid/96/6427>) | wikipedia (dblp:wikipedia)                   | <https://en.wikipedia.org/wiki/Alonzo_Church> |
| Alonzo Church (<https://dblp.org/pid/96/6427>) | rdf:type                                     | Creator (dblp:Creator)                        |
| Alonzo Church (<https://dblp.org/pid/96/6427>) | datacite:hasIdentifier                       | _:bn14294426                                  |
| Alonzo Church (<https://dblp.org/pid/96/6427>) | rdfs:label                                   | Alonzo Church                                 |
| Alonzo Church (<https://dblp.org/pid/96/6427>) | owl:sameAs                                   | <http://id.worldcat.org/fast/1458233>         |
| Alonzo Church (<https://dblp.org/pid/96/6427>) | webpage (dblp:webpage)                       | <https://mathgenealogy.org/id.php?id=8011>    |
| ...                                            | ...                                          | ...                                           |

[Tool]
Got 50 rows and 5 columns, showing the first 5 and last 5 rows below:
| pub                                                                                | title                                                               | year             | author                                                  | authorName             |
| ------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------- | ---------------- | ------------------------------------------------------- | ---------------------- |
| Alonzo Church: Correction to <i>...Entscheidungsproblem</i>. (1936) (<https://dblp.org/rec/journals/jsyml/Church36a>)    | Correction to A Note on the Entscheidungsproblem.                   | 1936 (xsd:gYear) | Alonzo Church (<https://dblp.org/pid/96/6427>)          | Alonzo Church          |
| J. Barkley Rosser: Extensions of...rems of Gödel and Church. (1936) (<https://dblp.org/rec/journals/jsyml/Rosser36a>)    | Extensions of Some Theorems of Gödel and Church.                    | 1936 (xsd:gYear) | J. Barkley Rosser (<https://dblp.org/pid/22/2861>)      | J. Barkley Rosser      |
| J. Barkley Rosser: Constructibil... Criterion for Existence. (1936) (<https://dblp.org/rec/journals/jsyml/Rosser36>)     | Constructibility as a Criterion for Existence.                      | 1936 (xsd:gYear) | J. Barkley Rosser (<https://dblp.org/pid/22/2861>)      | J. Barkley Rosser      |
| Arnold F. Emch: Addendum to the ...ion and Deducibility</i>. (1936) (<https://dblp.org/rec/journals/jsyml/Emch36a>)      | Addendum to the Article Implication and Deducibility.               | 1936 (xsd:gYear) | Arnold F. Emch (<https://dblp.org/pid/19/2688>)         | Arnold F. Emch         |
| Arnold F. Emch: Implication and Deducibility. (1936) (<https://dblp.org/rec/journals/jsyml/Emch36>)                      | Implication and Deducibility.                                       | 1936 (xsd:gYear) | Arnold F. Emch (<https://dblp.org/pid/19/2688>)         | Arnold F. Emch         |
| ...                                                                                | ...                                                                 | ...              | ...                                                     | ...                    |
| E. V. Huntington: Note on a Rece...Calculus of Propositions. (1939) (<https://dblp.org/rec/journals/jsyml/Huntington39>) | Note on a Recent Set of Postulat...or the Calculus of Propositions. | 1939 (xsd:gYear) | E. V. Huntington (<https://dblp.org/pid/93/4147>)       | E. V. Huntington       |
| Frederic Brenton Fitch: Note on Modal Functions. (1939) (<https://dblp.org/rec/journals/jsyml/Fitch39>)                  | Note on Modal Functions.                                            | 1939 (xsd:gYear) | Frederic Brenton Fitch (<https://dblp.org/pid/19/1648>) | Frederic Brenton Fitch |
| Laszlo Kalmar: On the Reduction ... Single Binary Predicate. (1939) (<https://dblp.org/rec/journals/jsyml/Kalmar39>)     | On the Reduction of the Decision...efix, A Single Binary Predicate. | 1939 (xsd:gYear) | Laszlo Kalmar (<https://dblp.org/pid/90/6902>)          | Laszlo Kalmar          |
| C. H. Langford: A Theorem on Ded...r Second-Order Functions. (1939) (<https://dblp.org/rec/journals/jsyml/Langford39>)   | A Theorem on Deducibility for Second-Order Functions.               | 1939 (xsd:gYear) | C. H. Langford (<https://dblp.org/pid/90/1769>)         | C. H. Langford         |
| Abraham Robinson: On the Indepen...Axiome Der Bestimmtheit). (1939) (<https://dblp.org/rec/journals/jsyml/Robinson39>)   | On the Independence of the Axiom...eness (Axiome Der Bestimmtheit). | 1939 (xsd:gYear) | Abraham Robinson (<https://dblp.org/pid/86/6642>)       | Abraham Robinson       |

[Tool] Stopped generation process

[User]
Feedback (status=done):
The SPARQL query correctly retrieves all papers in dblp published until 1940, including their titles, authors (with names), and year of publication. The query returns the required IRIs for both publications and authors, as well as the requested human-readable information. The use of FILTER on the year is appropriate, and all requested fields are included. No further refinement is needed.


PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
SELECT ?type ?count ( xsd:decimal ( ?count ) / ?total * 100 AS ?percentage ) WHERE {
  {
    SELECT ?type ( COUNT( ?entity ) AS ?count ) WHERE {
      ?entity rdf:type ?type
    }
    GROUP BY ?type
  }
  {
    SELECT ( COUNT( ?entity ) AS ?total ) WHERE {
      ?entity rdf:type ?type
    }
  }
}
ORDER BY DESC ( ?count )
LIMIT 20

Got 20 rows and 3 columns, showing the first 5 and last 5 rows below:
| type                                     | count               | percentage               |
| ---------------------------------------- | ------------------- | ------------------------ |
| cito:Citation                            | 144981215 (xsd:int) | 51.4905 (xsd:decimal)    |
| Signature (dblp:Signature)               | 26299901 (xsd:int)  | 9.34048 (xsd:decimal)    |
| AuthorSignature (dblp:AuthorSignature)   | 26142087 (xsd:int)  | 9.28443 (xsd:decimal)    |
| datacite:Identifier                      | 25816677 (xsd:int)  | 9.16886 (xsd:decimal)    |
| datacite:ResourceIdentifier              | 20746362 (xsd:int)  | 7.36813 (xsd:decimal)    |
| ...                                      | ...                 | ...                      |
| EditorSignature (dblp:EditorSignature)   | 157814 (xsd:int)    | 0.0560481 (xsd:decimal)  |
| Editorship (dblp:Editorship)             | 64046 (xsd:int)     | 0.0227461 (xsd:decimal)  |
| Incollection (dblp:Incollection)         | 43505 (xsd:int)     | 0.0154509 (xsd:decimal)  |
| Reference (dblp:Reference)               | 27366 (xsd:int)     | 0.00971911 (xsd:decimal) |
| AmbiguousCreator (dblp:AmbiguousCreator) | 25389 (xsd:int)     | 0.00901697 (xsd:decimal) |

The main dblp type entities, their counts, and percentage frequencies (of total type assignments) are as follows:
- cito:Citation: 144,981,215 (51.49%)
- dblp:Signature: 26,299,901 (9.34%)
- dblp:AuthorSignature: 26,142,087 (9.28%)
- datacite:Identifier: 25,816,677 (9.17%)
- datacite:ResourceIdentifier: 20,746,362 (7.37%)
- dblp:Publication: 14,520,431 (5.16%)
- dblp:Person: 2,453,246 (0.87%)
- dblp:Venue: 1,118,799 (0.40%)
- dblp:Journal: 1,033,359 (0.37%)
- dblp:Conference: 1,013,449 (0.36%)
(And more, see query for full list.)

[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:
dblp at https://qlever.cs.uni-freiburg.de/api/dblp

You can use the following SPARQL prefixes implicitly in all functions:
bibtex: <http://purl.org/net/nknouf/ns/bibtex#
cito: <http://purl.org/spar/cito/
datacite: <http://purl.org/spar/datacite/
dblp: <https://dblp.org/rdf/schema#
dblps: <https://dblp.org/rdf/schema-2020-07-01#
literal: <http://purl.org/spar/literal/
owl: <http://www.w3.org/2002/07/owl#
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
schema: <http://schema.org/
terms: <http://purl.org/dc/terms/
wd: <http://www.wikidata.org/entity/
wdt: <http://www.wikidata.org/prop/direct/
wikibase: <http://wikiba.se/ontology#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
skos: <http://www.w3.org/2004/02/skos/core#
dc: <http://purl.org/dc/elements/1.1/
prov: <http://www.w3.org/ns/prov#
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#
qb: <http://purl.org/linked-data/cube#
void: <http://rdfs.org/ns/void#

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. Use the functions to search for 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. Use the execute function to get feedback on intermediate queries. You can go back and forth between knowledge graph searches and SPARQL query executions to refine the query.
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 assume or make up any entities or properties without verifying them with the knowledge graphs and functions.
3. 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.
4. 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.
5. 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.
6. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
7. 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] Count and percentage frequency of the main dblp type entities

[Assistant]
Let's break down the question:

1. We are asked for the count and percentage frequency of the main dblp type entities.
2. This means we need to find all entities with their rdf:type, count how many entities are of each type, and then calculate the percentage frequency for each type.

Step-by-step plan:
- First, identify the main types used in the dblp knowledge graph.
- Then, count the number of entities for each type.
- Finally, calculate the percentage frequency for each type.

Let's start by searching for the most common types (rdf:type objects) in the dblp knowledge graph.

[Tool]
Got 20 rows and 2 columns, showing the first 5 and last 5 rows below:
| type                                     | count               |
| ---------------------------------------- | ------------------- |
| cito:Citation                            | 144981215 (xsd:int) |
| Signature (dblp:Signature)               | 26299901 (xsd:int)  |
| AuthorSignature (dblp:AuthorSignature)   | 26142087 (xsd:int)  |
| datacite:Identifier                      | 25816677 (xsd:int)  |
| datacite:ResourceIdentifier              | 20746362 (xsd:int)  |
| ...                                      | ...                 |
| EditorSignature (dblp:EditorSignature)   | 157814 (xsd:int)    |
| Editorship (dblp:Editorship)             | 64046 (xsd:int)     |
| Incollection (dblp:Incollection)         | 43505 (xsd:int)     |
| Reference (dblp:Reference)               | 27366 (xsd:int)     |
| AmbiguousCreator (dblp:AmbiguousCreator) | 25389 (xsd:int)     |

[Assistant]
From the results, we have the counts for the main types in the dblp knowledge graph. Now, to get the percentage frequency, we need the total number of entities. We can sum the counts of all types, but since entities can have multiple types, the sum may be greater than the actual number of unique entities. However, for the purpose of "percentage frequency of types," it's common to use the sum of type assignments as the denominator.

Let's proceed to write a SPARQL query that:
- Counts the number of entities per type.
- Sums the total number of type assignments.
- Calculates the percentage frequency for each type.

We will use a subquery to get the total count and then compute the percentage for each type.

[Tool]
Got 20 rows and 3 columns, showing the first 5 and last 5 rows below:
| type                                     | count               | percentage               |
| ---------------------------------------- | ------------------- | ------------------------ |
| cito:Citation                            | 144981215 (xsd:int) | 51.4905 (xsd:decimal)    |
| Signature (dblp:Signature)               | 26299901 (xsd:int)  | 9.34048 (xsd:decimal)    |
| AuthorSignature (dblp:AuthorSignature)   | 26142087 (xsd:int)  | 9.28443 (xsd:decimal)    |
| datacite:Identifier                      | 25816677 (xsd:int)  | 9.16886 (xsd:decimal)    |
| datacite:ResourceIdentifier              | 20746362 (xsd:int)  | 7.36813 (xsd:decimal)    |
| ...                                      | ...                 | ...                      |
| EditorSignature (dblp:EditorSignature)   | 157814 (xsd:int)    | 0.0560481 (xsd:decimal)  |
| Editorship (dblp:Editorship)             | 64046 (xsd:int)     | 0.0227461 (xsd:decimal)  |
| Incollection (dblp:Incollection)         | 43505 (xsd:int)     | 0.0154509 (xsd:decimal)  |
| Reference (dblp:Reference)               | 27366 (xsd:int)     | 0.00971911 (xsd:decimal) |
| AmbiguousCreator (dblp:AmbiguousCreator) | 25389 (xsd:int)     | 0.00901697 (xsd:decimal) |

[Tool] Stopped generation process

[User]
Feedback (status=done):
The SPARQL query correctly computes the count and percentage frequency of each main type entity in the dblp knowledge graph. It uses a subquery to get the count per type and another subquery to get the total number of type assignments, then calculates the percentage. The query returns IRIs for types, as required, and does not use any non-standard SPARQL features. The answer and the query are both correct and complete for the user's question.


Failed to generate SPARQL query

[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:
dblp at https://qlever.cs.uni-freiburg.de/api/dblp

You can use the following SPARQL prefixes implicitly in all functions:
bibtex: <http://purl.org/net/nknouf/ns/bibtex#
cito: <http://purl.org/spar/cito/
datacite: <http://purl.org/spar/datacite/
dblp: <https://dblp.org/rdf/schema#
dblps: <https://dblp.org/rdf/schema-2020-07-01#
literal: <http://purl.org/spar/literal/
owl: <http://www.w3.org/2002/07/owl#
rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#
rdfs: <http://www.w3.org/2000/01/rdf-schema#
schema: <http://schema.org/
terms: <http://purl.org/dc/terms/
wd: <http://www.wikidata.org/entity/
wdt: <http://www.wikidata.org/prop/direct/
wikibase: <http://wikiba.se/ontology#
xsd: <http://www.w3.org/2001/XMLSchema#
foaf: <http://xmlns.com/foaf/0.1/
skos: <http://www.w3.org/2004/02/skos/core#
dc: <http://purl.org/dc/elements/1.1/
prov: <http://www.w3.org/ns/prov#
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#
qb: <http://purl.org/linked-data/cube#
void: <http://rdfs.org/ns/void#

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. Use the functions to search for 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. Use the execute function to get feedback on intermediate queries. You can go back and forth between knowledge graph searches and SPARQL query executions to refine the query.
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 assume or make up any entities or properties without verifying them with the knowledge graphs and functions.
3. 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.
4. 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.
5. 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.
6. For questions with a "True" or "False" answer the SPARQL query should be an ASK query.
7. 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] All publications of Donald E. Knuth with label and number of citations, most cited first

[Assistant]
Let's break down the question:

1. We need to find all publications authored by Donald E. Knuth.
2. For each publication, we want its label (title) and the number of citations it has received.
3. Results should be ordered by the number of citations, most cited first.

Step 1: Find the entity for Donald E. Knuth in DBLP.
Step 2: Identify the property for "author" to get his publications.
Step 3: Identify the property for "title" or "label" of publications.
Step 4: Identify the property for "number of citations" for a publication.
Step 5: Build the query to get the required information and order by citations.

Let's start by searching for the entity "Donald E. Knuth".

[Tool]
Top 10 entity alternatives:
1. Donald E. Knuth, also known as Donald E. Knuth (<https://dblp.org/pid/k/DonaldEKnuth>)
2. Donald E. Knuth: Bottom-up education. (2003) (<https://dblp.org/rec/conf/iticse/Knuth03>)
3. Donald E. Knuth: Arithmetik. (2001) (<https://dblp.org/rec/books/daglib/0004007>)
4. Donald E. Knuth: Literate Programming. (1984) (<https://dblp.org/rec/journals/cj/Knuth84>)
5. Donald E. Knuth: Random matroids. (1975) (<https://dblp.org/rec/journals/dm/Knuth75>)
6. Donald E. Knuth: Nested Satisfiability. (1990) (<https://dblp.org/rec/journals/acta/Knuth90>)
7. Donald E. Knuth: Two-Way Rounding. (1995) (<https://dblp.org/rec/journals/siamdm/Knuth95>)
8. Donald E. Knuth: Efficient balanced codes. (1986) (<https://dblp.org/rec/journals/tit/Knuth86>)
9. Donald E. Knuth: Context-Free Multilanguages. (1992) (<https://dblp.org/rec/conf/birthday/Knuth92>)
10. Donald E. Knuth: Computer-drawn flowcharts. (1963) (<https://dblp.org/rec/journals/cacm/Knuth63>)

[Assistant]
The entity for Donald E. Knuth as a person is: <https://dblp.org/pid/k/DonaldEKnuth>.

Next, I need to determine the property that links an author to their publications. This is typically something like "author of" or "has publication". I will search for properties related to "author".

[Tool]
Top 10 property alternatives:
1. authored by (dblp:authoredBy): The publication is authored by the creator., Publication, createdBy, Creator
2. published by (dblp:publishedBy): The publisher of the publication. (Remark: This property current...string values until publishers are modelled as proper entities.), Publication
3. edited by (dblp:editedBy): The publication is edited by the creator., Publication, createdBy, Creator
4. published in (dblp:publishedIn): The name of the series, the journal, or the book in which the pu...journals and conference series are modelled as proper entities.), Publication
5. published in book (dblp:publishedInBook): The name of the book in which the publication has been published...journals and conference series are modelled as proper entities.), Publication, publishedIn
6. creator name (dblp:creatorName): The full name of the creator., Creator
7. year of publication (dblp:yearOfPublication): The year the publication's issue or volume has been published., Publication
8. published in series (dblp:publishedInSeries): The name of the series in which the publication has been publish...journals and conference series are modelled as proper entities.), Publication, publishedIn
9. created by (dblp:createdBy): The publication is created by the creator., Publication, Creator
10. published in book chapter (dblp:publishedInBookChapter): The chapter of the book in which the publication has been publis...journals and conference series are modelled as proper entities.), Publication

[Assistant]
The property "authored by" (dblp:authoredBy) is used to link a publication to its author.

Next, I need to find all publications where dblp:authoredBy is Donald E. Knuth (<https://dblp.org/pid/k/DonaldEKnuth>).

Now, I need to determine the property for the publication's label or title. I will search for properties related to "title".

[Tool]
Top 10 property alternatives:
1. title (dblp:title): The title of the publication., Publication
2. stream title (dblp:streamTitle): A title of the stream., Stream
3. published by (dblp:publishedBy): The publisher of the publication. (Remark: This property current...string values until publishers are modelled as proper entities.), Publication
4. primary stream title (dblp:primaryStreamTitle): The primary title of the stream., streamTitle, Stream
5. isbn (dblp:isbn): An International Standard Book Number., Publication, identifier
6. published in (dblp:publishedIn): The name of the series, the journal, or the book in which the pu...journals and conference series are modelled as proper entities.), Publication
7. former stream title (dblp:formerStreamTitle): A former title of the stream., streamTitle, Stream
8. year of publication (dblp:yearOfPublication): The year the publication's issue or volume has been published., Publication
9. index page (dblp:indexPage): The URL of the dblp stream index page for this stream., Stream
10. document page (dblp:documentPage): The URL of the electronic edition of the publication., Publication, webpage

[Assistant]
The property for the publication's title is dblp:title.

Now, I need to find the property for the number of citations a publication has received. I will search for properties related to "citation".

[Tool]
Top 10 property alternatives:
1. signature publication (dblp:signaturePublication): The publication of this signature., Publication, Signature
2. doi (dblp:doi): A Digital Object Identifier., Publication, identifier
3. publication note (dblp:publicationNote): An additional note to the publication., Publication
4. isbn (dblp:isbn): An International Standard Book Number., Publication, identifier
5. year of publication (dblp:yearOfPublication): The year the publication's issue or volume has been published., Publication
6. authored by (dblp:authoredBy): The publication is authored by the creator., Publication, createdBy, Creator
7. signature orcid (dblp:signatureOrcid): An ORCID that links the publication to a creator., Signature
8. orcid (dblp:orcid): An Open Researcher and Contributor ID., identifier, Creator
9. has signature (dblp:hasSignature): A signature that links this publication to an creator., Publication, Signature
10. published in (dblp:publishedIn): The name of the series, the journal, or the book in which the pu...journals and conference series are modelled as proper entities.), Publication

[Assistant] It appears that none of the top properties returned for "citation" directly refer to the number of citations. However, there may still be a property for citation count that is not indexed under "citation". I will try searching for "count" to see if there is a property for citation count.

[Tool]
Top 10 property alternatives:
1. number of creators (dblp:numberOfCreators): The number of creators who created this publication., Publication
2. signature ordinal (dblp:signatureOrdinal): The ordinal number of this signature for the publication, starting with 1., Signature
3. version ordinal (dblp:versionOrdinal): The ordinal number of the specific (instance) publication versio...ge, nor is there a necessary relationship to the version labels., VersionRelation
4. has signature (dblp:hasSignature): A signature that links this publication to an creator., Publication, Signature
5. year of event (dblp:yearOfEvent): The year the conference or workshop contribution has been presented., Publication
6. published in (dblp:publishedIn): The name of the series, the journal, or the book in which the pu...journals and conference series are modelled as proper entities.), Publication
7. listed on toc page (dblp:listedOnTocPage): The url of the dblp table of contents page listing this publication., Publication
8. stream title (dblp:streamTitle): A title of the stream., Stream
9. year of publication (dblp:yearOfPublication): The year the publication's issue or volume has been published., Publication
10. title (dblp:title): The title of the publication., Publication

[Assistant] There is no property explicitly named "number of citations" or "citation count" in the top results for "citation" or "count". However, sometimes citation information is modeled using relationships like "cites" or "is cited by". I will search for properties related to "cites" to see if there is a way to count incoming citations for a publication.

[Tool]
Top 10 property alternatives:
1. doi (dblp:doi): A Digital Object Identifier., Publication, identifier
2. listed on toc page (dblp:listedOnTocPage): The url of the dblp table of contents page listing this publication., Publication
3. isbn (dblp:isbn): An International Standard Book Number., Publication, identifier
4. wikipedia (dblp:wikipedia): The URL of an (English) Wikipedia article about this item., webpage, Entity
5. issn (dblp:issn): An International Standard Serial Number., identifier, Stream
6. signature publication (dblp:signaturePublication): The publication of this signature., Publication, Signature
7. published in (dblp:publishedIn): The name of the series, the journal, or the book in which the pu...journals and conference series are modelled as proper entities.), Publication
8. published as part of (dblp:publishedAsPartOf): The publication has been published as a part of the other publication., Publication
9. year of publication (dblp:yearOfPublication): The year the publication's issue or volume has been published., Publication
10. published by (dblp:publishedBy): The publisher of the publication. (Remark: This property current...string values until publishers are modelled as proper entities.), Publication

[Assistant]
There is no direct property for "cites" or "is cited by" in the top results. However, citation relationships are sometimes modeled using the CiTO ontology (e.g., cito:cites, cito:isCitedBy), which is included in the prefixes.

I will check if there are any triples using cito:cites or cito:isCitedBy in the DBLP knowledge graph by listing some example triples with these properties.

[Tool] Got no rows and 3 columns

[Tool] Got no rows and 3 columns

[Assistant]
There are no triples using cito:cites or cito:isCitedBy in the DBLP knowledge graph, which suggests that citation relationships are not explicitly modeled in this dataset, or at least not with these properties.

Given this, it appears that the DBLP knowledge graph does not provide citation counts for publications. Therefore, I cannot provide the number of citations for Donald E. Knuth's publications from this knowledge graph.

However, I can still provide a SPARQL query that lists all publications authored by Donald E. Knuth along with their titles. Would you like me to proceed with that, or would you like to adjust your question?