Kunio Hatoyama
E188828
Kunio Hatoyama was a Japanese politician and member of the influential Hatoyama political family who served in several ministerial posts, including as Minister of Internal Affairs and Communications.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Kunio Hatoyama canonical | 6 |
| Hatoyama | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1593769 — 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: Kunio Hatoyama Context triple: [Yukio Hatoyama, sibling, Kunio Hatoyama]
-
A.
Yukio Hatoyama
Yukio Hatoyama is a Japanese politician who served as Prime Minister of Japan from 2009 to 2010 and was a leading figure in the Democratic Party of Japan.
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B.
Yasuko Hatoyama
Yasuko Hatoyama was a prominent Japanese heiress and political matriarch of the influential Hatoyama family, known for her substantial financial and behind-the-scenes support of her son Yukio Hatoyama’s political career.
-
C.
Jun’ya Koizumi
Jun’ya Koizumi is a Japanese politician and the son of former Prime Minister Junichiro Koizumi.
-
D.
Junichiro Koizumi
Junichiro Koizumi is a reformist Japanese politician who served as Prime Minister from 2001 to 2006, known for his charismatic style and efforts to privatize Japan’s postal system.
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E.
Ichirō Ozawa
Ichirō Ozawa is a powerful and influential Japanese politician known for his behind-the-scenes kingmaker role and leadership in multiple parties that reshaped Japan’s postwar political landscape.
- 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: Kunio Hatoyama Target entity description: Kunio Hatoyama was a Japanese politician and member of the influential Hatoyama political family who served in several ministerial posts, including as Minister of Internal Affairs and Communications.
-
A.
Yukio Hatoyama
Yukio Hatoyama is a Japanese politician who served as Prime Minister of Japan from 2009 to 2010 and was a leading figure in the Democratic Party of Japan.
-
B.
Yasuko Hatoyama
Yasuko Hatoyama was a prominent Japanese heiress and political matriarch of the influential Hatoyama family, known for her substantial financial and behind-the-scenes support of her son Yukio Hatoyama’s political career.
-
C.
Jun’ya Koizumi
Jun’ya Koizumi is a Japanese politician and the son of former Prime Minister Junichiro Koizumi.
-
D.
Junichiro Koizumi
Junichiro Koizumi is a reformist Japanese politician who served as Prime Minister from 2001 to 2006, known for his charismatic style and efforts to privatize Japan’s postal system.
-
E.
Ichirō Ozawa
Ichirō Ozawa is a powerful and influential Japanese politician known for his behind-the-scenes kingmaker role and leadership in multiple parties that reshaped Japan’s postwar political landscape.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese politician
ⓘ
human ⓘ |
| brother | Yukio Hatoyama ⓘ |
| countryOfCitizenship | Japan ⓘ |
| educatedAt |
Faculty of Law, University of Tokyo
ⓘ
University of Tokyo ⓘ |
| ethnicGroup | Japanese ⓘ |
| familyName |
Kunio Hatoyama
self-linksurface differs
ⓘ
surface form:
Hatoyama
|
| father | Ichirō Hatoyama ⓘ |
| fieldOfWork |
politics
ⓘ
public administration ⓘ |
| givenName | Kunio ⓘ |
| languageSpoken | Japanese ⓘ |
| memberOf |
Hatoyama family
ⓘ
surface form:
Hatoyama political family
|
| nativeLanguage | Japanese ⓘ |
| notableFamily | Hatoyama family ⓘ |
| notableWork |
service as Minister of Education
ⓘ
service as Minister of Internal Affairs and Communications ⓘ service as Minister of Justice ⓘ |
| occupation | politician ⓘ |
| partOf |
Government of Japan
ⓘ
surface form:
Japanese national government
|
| politicalParty |
Democratic Party (Japan)
ⓘ
surface form:
Democratic Party of Japan
Liberal Democratic Party ⓘ
surface form:
Liberal Democratic Party of Japan
|
| positionHeld |
Member of the House of Representatives of Japan
ⓘ
Minister of Education of Japan ⓘ Minister of Internal Affairs and Communications of Japan ⓘ Minister of Justice of Japan ⓘ |
| relative |
Iichirō Hatoyama
ⓘ
Kazuo Hatoyama ⓘ |
| residence | Tokyo ⓘ |
| workLocation | Tokyo ⓘ |
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: Kunio Hatoyama Description of subject: Kunio Hatoyama was a Japanese politician and member of the influential Hatoyama political family who served in several ministerial posts, including as Minister of Internal Affairs and Communications.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Hatoyama