Hatoyama
E744490
Hatoyama is a prominent Japanese political family name associated with several influential politicians, including former Prime Minister Yukio Hatoyama.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hatoyama canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T8185722 — 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: Hatoyama Context triple: [Miyuki Hatoyama, familyName, Hatoyama]
-
A.
Kazuo Hatoyama
Kazuo Hatoyama was a Japanese politician and influential member of the prominent Hatoyama political family.
-
B.
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.
-
C.
Kunio Hatoyama
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.
-
D.
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.
-
E.
Jun’ya Koizumi
Jun’ya Koizumi is a Japanese politician and the son of former Prime Minister Junichiro Koizumi.
- 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: Hatoyama Target entity description: Hatoyama is a prominent Japanese political family name associated with several influential politicians, including former Prime Minister Yukio Hatoyama.
-
A.
Kazuo Hatoyama
Kazuo Hatoyama was a Japanese politician and influential member of the prominent Hatoyama political family.
-
B.
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.
-
C.
Kunio Hatoyama
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.
-
D.
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.
-
E.
Jun’ya Koizumi
Jun’ya Koizumi is a Japanese politician and the son of former Prime Minister Junichiro Koizumi.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese family
ⓘ
Japanese surname ⓘ human ⓘ political family ⓘ |
| associatedWithPoliticalParty |
Democratic Party of Japan
NERFINISHED
ⓘ
Liberal Democratic Party of Japan NERFINISHED ⓘ |
| country | Japan ⓘ |
| countryOfCitizenship | Japan ⓘ |
| familyName |
Hatoyama
NERFINISHED
ⓘ
Hatoyama NERFINISHED ⓘ Hatoyama NERFINISHED ⓘ Hatoyama NERFINISHED ⓘ Hatoyama NERFINISHED ⓘ |
| familyNameIn | Japan NERFINISHED ⓘ |
| fieldOfActivity | politics ⓘ |
| givenName | Yukio NERFINISHED ⓘ |
| hasFamilyName | Hatoyama NERFINISHED ⓘ |
| hasGenerationCount | multiple generations ⓘ |
| hasNotableMember |
Ichirō Hatoyama
NERFINISHED
ⓘ
Iichirō Hatoyama NERFINISHED ⓘ Kazuo Hatoyama NERFINISHED ⓘ Kunio Hatoyama NERFINISHED ⓘ Yukio Hatoyama NERFINISHED ⓘ |
| hasReputation | influential political dynasty ⓘ |
| language | Japanese ⓘ |
| languageOfFamilyName | Japanese ⓘ |
| memberOfPoliticalParty | Democratic Party of Japan NERFINISHED ⓘ |
| notableAs | former Prime Minister of Japan ⓘ |
| notableCenturyOfActivity |
20th century
ⓘ
21st century ⓘ |
| notableFor | Japanese politics ⓘ |
| occupation |
politician
ⓘ
politician ⓘ politician ⓘ politician ⓘ politician ⓘ |
| politicalInfluenceIn | Japan NERFINISHED ⓘ |
| positionHeld |
Minister for Foreign Affairs of Japan
NERFINISHED
ⓘ
Prime Minister of Japan NERFINISHED ⓘ Prime Minister of Japan NERFINISHED ⓘ |
| usedBy | Hatoyama family NERFINISHED ⓘ |
| writtenInScript | Kanji ⓘ |
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: Hatoyama Description of subject: Hatoyama is a prominent Japanese political family name associated with several influential politicians, including former Prime Minister Yukio Hatoyama.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.