Kenta Izumi
E72210
Kenta Izumi is a Japanese politician who serves as the leader of the main opposition force, the Constitutional Democratic Party of Japan.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Kenta Izumi canonical | 2 |
| 泉健太 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T487229 — 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: Kenta Izumi Context triple: [Constitutional Democratic Party of Japan, hasLeader, Kenta Izumi]
-
A.
Takuma Tono
Takuma Tono was a Japanese landscape architect known for bringing traditional Japanese garden design to international prominence, including in the United States.
-
B.
Hayato Ikeda
Hayato Ikeda was a Japanese prime minister known for his “income-doubling plan” and for overseeing rapid economic growth and modernization in postwar Japan.
-
C.
Tomonori Kanemoto
Tomonori Kanemoto is a former Japanese professional baseball outfielder and manager, best known as an ironman of Nippon Professional Baseball for his consecutive games and innings played streaks.
-
D.
Daisuke Kato
Daisuke Kato is a former Japanese professional baseball player best known for his time with the Orix Buffaloes in Nippon Professional Baseball.
-
E.
Kyuji Fujikawa
Kyuji Fujikawa is a Japanese professional baseball pitcher best known as a dominant closer in Nippon Professional Baseball and a longtime star for the Hanshin Tigers.
- 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: Kenta Izumi Target entity description: Kenta Izumi is a Japanese politician who serves as the leader of the main opposition force, the Constitutional Democratic Party of Japan.
-
A.
Takuma Tono
Takuma Tono was a Japanese landscape architect known for bringing traditional Japanese garden design to international prominence, including in the United States.
-
B.
Hayato Ikeda
Hayato Ikeda was a Japanese prime minister known for his “income-doubling plan” and for overseeing rapid economic growth and modernization in postwar Japan.
-
C.
Tomonori Kanemoto
Tomonori Kanemoto is a former Japanese professional baseball outfielder and manager, best known as an ironman of Nippon Professional Baseball for his consecutive games and innings played streaks.
-
D.
Daisuke Kato
Daisuke Kato is a former Japanese professional baseball player best known for his time with the Orix Buffaloes in Nippon Professional Baseball.
-
E.
Kyuji Fujikawa
Kyuji Fujikawa is a Japanese professional baseball pitcher best known as a dominant closer in Nippon Professional Baseball and a longtime star for the Hanshin Tigers.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Japanese politician
ⓘ
human ⓘ |
| country | Japan ⓘ |
| countryOfCitizenship | Japan ⓘ |
| employer |
National Diet
ⓘ
surface form:
National Diet of Japan
|
| fieldOfWork | politics ⓘ |
| hasRole |
legislator
ⓘ
party leader ⓘ |
| languageSpoken | Japanese ⓘ |
| legislativeBody | House of Representatives of Japan ⓘ |
| memberOfPoliticalParty | Constitutional Democratic Party of Japan ⓘ |
| name | Kenta Izumi self-link ⓘ |
| nationality | Japan ⓘ |
| nativeName |
Kenta Izumi
self-linksurface differs
ⓘ
surface form:
泉健太
|
| notableFor | Leadership of the Constitutional Democratic Party of Japan ⓘ |
| occupation | politician ⓘ |
| parliamentaryGroup | Constitutional Democratic Party of Japan ⓘ |
| partOf | Japanese opposition parties ⓘ |
| politicalOrientation |
centrist
ⓘ
liberal ⓘ |
| positionHeld |
Leader of the Constitutional Democratic Party of Japan
ⓘ
Leader of the Opposition (Japan) ⓘ Member of the House of Representatives of Japan ⓘ |
| previousMemberOfPoliticalParty |
Democratic Party (Japan)
ⓘ
surface form:
Democratic Party (Japan, 2016)
Democratic Party for the People ⓘ Democratic Party (Japan) ⓘ
surface form:
Democratic Party of Japan
|
| residence | Japan ⓘ |
| role | Leader of the main opposition party in Japan ⓘ |
| sphereOfActivity | national politics of Japan ⓘ |
| 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: Kenta Izumi Description of subject: Kenta Izumi is a Japanese politician who serves as the leader of the main opposition force, the Constitutional Democratic Party of Japan.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
泉健太