Kiyoshi Itô
E70827
Kiyoshi Itô was a Japanese mathematician renowned for founding the modern theory of stochastic calculus, which underpins much of probability theory and mathematical finance.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Kiyoshi Itô canonical | 11 |
| Kiyosi Itô | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T478438 — 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: Kiyoshi Itô Context triple: [Itô calculus, namedAfter, Kiyoshi Itô]
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A.
Shizuo Kakutani
Shizuo Kakutani was a Japanese-American mathematician renowned for his contributions to functional analysis and probability theory, including the formulation of the Kakutani fixed-point theorem.
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B.
Tadahiko Mibuchi
Tadahiko Mibuchi was a Japanese jurist who became the first person to serve as Chief Justice of Japan.
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C.
Otozō Yamada
Otozō Yamada was a Japanese general who commanded the Kwantung Army in Manchuria during the final stages of World War II, including the Soviet–Japanese War of 1945.
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D.
Yasuo Fukuda
Yasuo Fukuda is a Japanese politician who served as Prime Minister of Japan from 2007 to 2008 and is a prominent member of the Liberal Democratic Party.
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E.
Shōji Nishimura
Shōji Nishimura was an Imperial Japanese Navy admiral during World War II, noted for his role and death in the Battle of Leyte Gulf.
- 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: Kiyoshi Itô Target entity description: Kiyoshi Itô was a Japanese mathematician renowned for founding the modern theory of stochastic calculus, which underpins much of probability theory and mathematical finance.
-
A.
Shizuo Kakutani
Shizuo Kakutani was a Japanese-American mathematician renowned for his contributions to functional analysis and probability theory, including the formulation of the Kakutani fixed-point theorem.
-
B.
Tadahiko Mibuchi
Tadahiko Mibuchi was a Japanese jurist who became the first person to serve as Chief Justice of Japan.
-
C.
Otozō Yamada
Otozō Yamada was a Japanese general who commanded the Kwantung Army in Manchuria during the final stages of World War II, including the Soviet–Japanese War of 1945.
-
D.
Yasuo Fukuda
Yasuo Fukuda is a Japanese politician who served as Prime Minister of Japan from 2007 to 2008 and is a prominent member of the Liberal Democratic Party.
-
E.
Shōji Nishimura
Shōji Nishimura was an Imperial Japanese Navy admiral during World War II, noted for his role and death in the Battle of Leyte Gulf.
- F. None of above. chosen
Statements (48)
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: Kiyoshi Itô Description of subject: Kiyoshi Itô was a Japanese mathematician renowned for founding the modern theory of stochastic calculus, which underpins much of probability theory and mathematical finance.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.