Kenji Aiba
E940090
Kenji Aiba is a Japanese local politician who serves as the mayor of the town of Ōiso in Kanagawa Prefecture.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kenji Aiba canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6307792 — 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: Kenji Aiba Context triple: [Ōiso, hasMayor, Kenji Aiba]
-
A.
Masaki Aiba
Masaki Aiba is a Japanese singer, actor, and television personality best known as a member of the popular boy band Arashi.
-
B.
Masato Otaka
Masato Otaka is a Japanese architect associated with the Metabolism movement, known for his contributions to postwar urban planning and visionary megastructure designs.
-
C.
Mako Komuro
Mako Komuro is a former Japanese imperial family member and niece of Emperor Naruhito who left royal status upon marrying commoner Kei Komuro.
-
D.
Toru Watanabe
Toru Watanabe is the introspective university student protagonist of Haruki Murakami’s novel "Norwegian Wood," whose coming-of-age story explores love, loss, and emotional turmoil in 1960s Tokyo.
-
E.
Katsuya Okada
Katsuya Okada is a Japanese politician who has served as leader of the Democratic Party of Japan and as Deputy Prime Minister.
- 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: Kenji Aiba Target entity description: Kenji Aiba is a Japanese local politician who serves as the mayor of the town of Ōiso in Kanagawa Prefecture.
-
A.
Masaki Aiba
Masaki Aiba is a Japanese singer, actor, and television personality best known as a member of the popular boy band Arashi.
-
B.
Masato Otaka
Masato Otaka is a Japanese architect associated with the Metabolism movement, known for his contributions to postwar urban planning and visionary megastructure designs.
-
C.
Mako Komuro
Mako Komuro is a former Japanese imperial family member and niece of Emperor Naruhito who left royal status upon marrying commoner Kei Komuro.
-
D.
Toru Watanabe
Toru Watanabe is the introspective university student protagonist of Haruki Murakami’s novel "Norwegian Wood," whose coming-of-age story explores love, loss, and emotional turmoil in 1960s Tokyo.
-
E.
Katsuya Okada
Katsuya Okada is a Japanese politician who has served as leader of the Democratic Party of Japan and as Deputy Prime Minister.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
mayor ⓘ politician ⓘ |
| continentOfCitizenship | Asia ⓘ |
| country | Japan ⓘ |
| countryOfCitizenship | Japan ⓘ |
| employer | Town of Ōiso ⓘ |
| familyName | Aiba ⓘ |
| fieldOfWork | local politics ⓘ |
| gender | male ⓘ |
| givenName | Kenji ⓘ |
| hasTitle | Mayor of Ōiso ⓘ |
| isFrom | Japan ⓘ |
| jurisdiction |
Ōiso
ⓘ
Ōiso, Kanagawa Prefecture ⓘ
linked to:
Ōiso, Kanagawa Prefecture, Japan
|
| languageOfWorkOrName | Japanese ⓘ |
| locatedIn | Japan ⓘ |
| locatedInTheAdministrativeTerritorialEntity | Kanagawa Prefecture ⓘ |
| nativeLanguage | Japanese ⓘ |
| occupation | politician ⓘ |
| politicalSphere | municipal government ⓘ |
| positionHeld |
mayor
ⓘ
mayor of Ōiso ⓘ |
| residence | Ōiso, Kanagawa Prefecture, Japan ⓘ |
| workLocation | Ōiso, Kanagawa Prefecture, Japan ⓘ |
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: Kenji Aiba Description of subject: Kenji Aiba is a Japanese local politician who serves as the mayor of the town of Ōiso in Kanagawa Prefecture.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.