Robert Sauer
E291749
Robert Sauer was a German mathematician known for his contributions to geometry and for his academic leadership in the mid-20th century.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Robert Sauer canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2608866 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Robert Sauer Context triple: [Sauer, hasNotableBearer, Robert Sauer]
-
A.
George Siegmann
George Siegmann was an American silent film actor known for his powerful character roles, including a prominent part in D.W. Griffith’s landmark film "The Birth of a Nation."
-
B.
Rudolf Garrels
Rudolf Garrels was an 18th-century Dutch organ builder known for constructing and maintaining notable church organs in the Netherlands.
-
C.
William M. Hartmann
William M. Hartmann is an American physicist and psychoacoustician known for his influential research on auditory perception and acoustics.
-
D.
William Wendt
William Wendt was a prominent American landscape painter celebrated as a leading figure of the California Impressionist movement.
-
E.
Martin J. Hillenbrand
Martin J. Hillenbrand was an American career diplomat who held several key Cold War-era posts, including serving as U.S. Ambassador to Hungary and later to the Federal Republic of Germany.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Robert Sauer Target entity description: Robert Sauer was a German mathematician known for his contributions to geometry and for his academic leadership in the mid-20th century.
-
A.
George Siegmann
George Siegmann was an American silent film actor known for his powerful character roles, including a prominent part in D.W. Griffith’s landmark film "The Birth of a Nation."
-
B.
Rudolf Garrels
Rudolf Garrels was an 18th-century Dutch organ builder known for constructing and maintaining notable church organs in the Netherlands.
-
C.
William M. Hartmann
William M. Hartmann is an American physicist and psychoacoustician known for his influential research on auditory perception and acoustics.
-
D.
William Wendt
William Wendt was a prominent American landscape painter celebrated as a leading figure of the California Impressionist movement.
-
E.
Martin J. Hillenbrand
Martin J. Hillenbrand was an American career diplomat who held several key Cold War-era posts, including serving as U.S. Ambassador to Hungary and later to the Federal Republic of Germany.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
German mathematician
ⓘ
human ⓘ mathematician ⓘ |
| areaOfInfluence | German mathematical community ⓘ |
| citizenship |
German Reich
ⓘ
linked to:
Nazi Germany
|
| countryOfCitizenship | Germany ⓘ |
| familyName | Sauer ⓘ |
| fieldOfWork |
geometry
ⓘ
mathematics ⓘ |
| gender | male ⓘ |
| givenName | Robert ⓘ |
| hasAcademicRole | university professor ⓘ |
| isSubjectOf | history of mathematics in the 20th century ⓘ |
| knownFor | contributions to geometry ⓘ |
| languageOfWorkOrName | German ⓘ |
| name | Robert Sauer ⓘ |
| nationality | German ⓘ |
| notableFor | academic leadership in the mid-20th century ⓘ |
| notableRole | academic leader in German mathematics ⓘ |
| occupation |
mathematician
ⓘ
university teacher ⓘ |
| placeOfActivity | Germany ⓘ |
| workPeriod |
20th century
ⓘ
mid-20th century ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Robert Sauer Description of subject: Robert Sauer was a German mathematician known for his contributions to geometry and for his academic leadership in the mid-20th century.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.