Kac
E92905
Kac is a surname most notably associated with Polish-American mathematician Mark Kac, known for his work in probability theory and mathematical physics.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kac canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T787777 — 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: Kac Context triple: [Mark Kac, familyName, Kac]
-
A.
Kashiwara
Kashiwara is a city in Osaka Prefecture, Japan, known as a suburban residential and commercial area within the Kansai region’s rail network.
-
B.
Kato
Kato is the nickname of Kato Svanidze, who was the first wife of Soviet leader Joseph Stalin.
-
C.
Koch
Koch is a German surname most famously associated with Robert Koch, the pioneering microbiologist who discovered the causative agents of tuberculosis and cholera.
-
D.
KCA
KCA is a nonprofit organization dedicated to providing life-saving HIV treatment, care, and support to children and families in underserved communities, particularly in Africa and India.
-
E.
Kasha Kropinski
Kasha Kropinski is a South African-born actress best known for her role as Ruth Cole on the American Western television series "Hell on Wheels."
- 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: Kac Target entity description: Kac is a surname most notably associated with Polish-American mathematician Mark Kac, known for his work in probability theory and mathematical physics.
-
A.
Kashiwara
Kashiwara is a city in Osaka Prefecture, Japan, known as a suburban residential and commercial area within the Kansai region’s rail network.
-
B.
Kato
Kato is the nickname of Kato Svanidze, who was the first wife of Soviet leader Joseph Stalin.
-
C.
Koch
Koch is a German surname most famously associated with Robert Koch, the pioneering microbiologist who discovered the causative agents of tuberculosis and cholera.
-
D.
KCA
KCA is a nonprofit organization dedicated to providing life-saving HIV treatment, care, and support to children and families in underserved communities, particularly in Africa and India.
-
E.
Kasha Kropinski
Kasha Kropinski is a South African-born actress best known for her role as Ruth Cole on the American Western television series "Hell on Wheels."
- F. None of above. chosen
Statements (14)
| Predicate | Object |
|---|---|
| instanceOf |
Polish-American mathematician
ⓘ
family name ⓘ human ⓘ mathematician ⓘ surname ⓘ |
| countryOfCitizenship |
Poland
ⓘ
United States of America ⓘ
surface form:
United States
|
| familyName | Kac self-linksurface differs ⓘ |
| fieldOfWork |
mathematical physics
ⓘ
probability theory ⓘ |
| hasNotableBearer | Mark Kac ⓘ |
| languageOfOrigin | Polish ⓘ |
| notableFor |
contributions to mathematical physics
ⓘ
contributions to probability theory ⓘ |
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: Kac Description of subject: Kac is a surname most notably associated with Polish-American mathematician Mark Kac, known for his work in probability theory and mathematical physics.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Mark Kac