Ulf Persson
E948763
Ulf Persson is a Swedish mathematician known for his work in algebraic geometry and for his contributions to mathematical exposition and education.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ulf Persson canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11704542 — 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: Ulf Persson Context triple: [Persson, hasNotableBearer, Ulf Persson]
-
A.
Ulf Andersson
Ulf Andersson is a Swedish chess grandmaster renowned for his exceptional positional style and endgame technique.
-
B.
Ulf Nilsson
Ulf Nilsson is a Swedish former professional ice hockey center best known for his high-scoring play in the 1970s with the Winnipeg Jets and later the New York Rangers.
-
C.
Olof Andersson
Olof Andersson is a notable individual distinguished enough to be recognized as a prominent bearer of the Swedish surname Andersson.
-
D.
Jörgen Elofsson
Jörgen Elofsson is a Swedish songwriter and producer best known for crafting numerous international pop hits for artists such as Britney Spears, Kelly Clarkson, and Westlife.
-
E.
Erik Sparre
Erik Sparre was a prominent Swedish statesman and nobleman who rose to become one of the kingdom’s leading political figures in the late 16th and early 17th centuries.
- 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: Ulf Persson Target entity description: Ulf Persson is a Swedish mathematician known for his work in algebraic geometry and for his contributions to mathematical exposition and education.
-
A.
Ulf Andersson
Ulf Andersson is a Swedish chess grandmaster renowned for his exceptional positional style and endgame technique.
-
B.
Ulf Nilsson
Ulf Nilsson is a Swedish former professional ice hockey center best known for his high-scoring play in the 1970s with the Winnipeg Jets and later the New York Rangers.
-
C.
Olof Andersson
Olof Andersson is a notable individual distinguished enough to be recognized as a prominent bearer of the Swedish surname Andersson.
-
D.
Jörgen Elofsson
Jörgen Elofsson is a Swedish songwriter and producer best known for crafting numerous international pop hits for artists such as Britney Spears, Kelly Clarkson, and Westlife.
-
E.
Erik Sparre
Erik Sparre was a prominent Swedish statesman and nobleman who rose to become one of the kingdom’s leading political figures in the late 16th and early 17th centuries.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
algebraic geometer
ⓘ
human ⓘ mathematician ⓘ university teacher ⓘ |
| affiliation | Chalmers University of Technology ⓘ |
| countryOfCitizenship | Sweden ⓘ |
| educatedAt | Stockholm University ⓘ |
| employer | Chalmers University of Technology ⓘ |
| fieldOfWork |
algebraic geometry
ⓘ
mathematical exposition ⓘ mathematics education ⓘ |
| gender | male ⓘ |
| hasAcademicRank | professor ⓘ |
| hasResearchInterest |
algebraic surfaces
ⓘ
birational geometry ⓘ classification of algebraic varieties ⓘ |
| knownFor |
contributions to algebraic geometry
ⓘ
mathematical blogging and essays ⓘ popularization of mathematics ⓘ |
| languageOfWorkOrName |
English
ⓘ
Swedish ⓘ |
| memberOf | Swedish mathematical community ⓘ |
| nationality | Swedish ⓘ |
| notableWork |
expository writings on mathematics
ⓘ
research in algebraic surfaces ⓘ |
| occupation | mathematician ⓘ |
| placeOfWork | Department of Mathematical Sciences, Chalmers University of Technology ⓘ |
| workLocation | Gothenburg ⓘ |
| writesAbout |
history of mathematics
ⓘ
philosophy of mathematics ⓘ |
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: Ulf Persson Description of subject: Ulf Persson is a Swedish mathematician known for his work in algebraic geometry and for his contributions to mathematical exposition and education.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.