Naoto Kan
E195955
Naoto Kan is a Japanese politician who served as Prime Minister of Japan and leader of the Democratic Party of Japan in the early 2010s.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Naoto Kan canonical | 13 |
| Naoto Kan as President of the Democratic Party of Japan | 1 |
| Naoto Kan as Prime Minister of Japan | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1593779 — 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: Naoto Kan Context triple: [Yukio Hatoyama, replacedBy, Naoto Kan]
-
A.
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.
-
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.
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.
-
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.
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: Naoto Kan Target entity description: Naoto Kan is a Japanese politician who served as Prime Minister of Japan and leader of the Democratic Party of Japan in the early 2010s.
-
A.
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.
-
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.
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.
-
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.
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 (49)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese politician
ⓘ
human ⓘ |
| activeIn | Japanese national politics ⓘ |
| advocates | nuclear power phase-out in Japan ⓘ |
| alive | true ⓘ |
| constituencyRepresented | Tokyo 18th district ⓘ |
| countryOfCitizenship | Japan ⓘ |
| dateOfBirth | 1946-10-10 ⓘ |
| educatedAt | Tokyo Institute of Technology ⓘ |
| era | Heisei period politics of Japan ⓘ |
| familyName | Kan ⓘ |
| fieldOfStudy | applied physics ⓘ |
| gender | male ⓘ |
| givenName | Naoto ⓘ |
| hasHonorificPrefix | Mr. ⓘ |
| ideology |
liberalism
ⓘ
social democracy ⓘ |
| knownFor |
leadership of the Democratic Party of Japan
ⓘ
serving as Prime Minister during the 2011 Tōhoku disaster ⓘ |
| languageSpoken | Japanese ⓘ |
| memberOfPoliticalParty |
Constitutional Democratic Party of Japan
ⓘ
Democratic Party of Japan ⓘ
linked to:
Democratic Party (Japan)
|
| name | Naoto Kan ⓘ |
| nativeName | 菅直人 ⓘ |
| notableEvent | Fukushima Daiichi nuclear disaster response ⓘ |
| notablePolicy |
consumption tax increase proposal
ⓘ
fiscal consolidation efforts ⓘ |
| notableWork | handling of the 2011 Tōhoku earthquake and tsunami ⓘ |
| numberOfChildren | 2 ⓘ |
| officeEndTime | 2011-09-02 ⓘ |
| officeHeld | Prime Minister of Japan 2010–2011 ⓘ |
| officeStartTime | 2010-06-08 ⓘ |
| parliamentaryGroup | House of Representatives of Japan ⓘ |
| placeOfBirth | Ube, Yamaguchi Prefecture, Japan ⓘ |
| politicalAlignment | center-left ⓘ |
| positionHeld |
Deputy Prime Minister of Japan
ⓘ
Leader of the Democratic Party of Japan ⓘ Leader of the Opposition (Japan) ⓘ Member of the House of Representatives of Japan ⓘ Minister of Finance of Japan ⓘ Minister of Health and Welfare of Japan ⓘ President of the Democratic Party of Japan ⓘ Prime Minister of Japan ⓘ |
| precededBy | Yukio Hatoyama ⓘ |
| profession | patent attorney ⓘ |
| religion | Buddhism ⓘ |
| residence |
Tokyo, Japan
ⓘ
linked to:
Tokyo
|
| spouse | Nobuko Kan ⓘ |
| succeededBy | Yoshihiko Noda ⓘ |
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: Naoto Kan Description of subject: Naoto Kan is a Japanese politician who served as Prime Minister of Japan and leader of the Democratic Party of Japan in the early 2010s.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Naoto Kan
linked to: Naoto Kan