Ken Hasebe
E480417
Ken Hasebe is a Japanese politician who serves as the mayor of Tokyo’s Shibuya ward, known for promoting progressive urban and social policies.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ken Hasebe canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2873668 — 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: Ken Hasebe Context triple: [Shibuya City, hasMayor, Ken Hasebe]
-
A.
Ray Yoshida
Ray Yoshida was an influential American painter and educator associated with the Chicago Imagists, known for his collage-like compositions and his long teaching career shaping generations of artists.
-
B.
Akinobu Okada
Akinobu Okada is a former Japanese professional baseball infielder and manager best known for his long association with Nippon Professional Baseball and leadership roles with the Hanshin Tigers.
-
C.
Yoshinori Sakai
Yoshinori Sakai was a Japanese track athlete symbolically chosen to light the cauldron at the 1964 Tokyo Olympics because he was born in Hiroshima on the day the atomic bomb was dropped.
-
D.
Tetsuharu Kawakami
Tetsuharu Kawakami was a legendary Japanese baseball first baseman and manager, famed for his hitting prowess and for leading the Yomiuri Giants to multiple Japan Series championships.
-
E.
Masahiro Hirakubo
Masahiro Hirakubo is a Japanese film editor best known for his work on acclaimed films such as "Trainspotting" and "The Beach."
- 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: Ken Hasebe Target entity description: Ken Hasebe is a Japanese politician who serves as the mayor of Tokyo’s Shibuya ward, known for promoting progressive urban and social policies.
-
A.
Ray Yoshida
Ray Yoshida was an influential American painter and educator associated with the Chicago Imagists, known for his collage-like compositions and his long teaching career shaping generations of artists.
-
B.
Akinobu Okada
Akinobu Okada is a former Japanese professional baseball infielder and manager best known for his long association with Nippon Professional Baseball and leadership roles with the Hanshin Tigers.
-
C.
Yoshinori Sakai
Yoshinori Sakai was a Japanese track athlete symbolically chosen to light the cauldron at the 1964 Tokyo Olympics because he was born in Hiroshima on the day the atomic bomb was dropped.
-
D.
Tetsuharu Kawakami
Tetsuharu Kawakami was a legendary Japanese baseball first baseman and manager, famed for his hitting prowess and for leading the Yomiuri Giants to multiple Japan Series championships.
-
E.
Masahiro Hirakubo
Masahiro Hirakubo is a Japanese film editor best known for his work on acclaimed films such as "Trainspotting" and "The Beach."
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
mayor ⓘ politician ⓘ |
| continentOfCitizenship | Asia ⓘ |
| countryOfCitizenship | Japan ⓘ |
| ethnicGroup | Japanese ⓘ |
| fieldOfWork |
LGBTQ+ rights
ⓘ
city branding ⓘ community development ⓘ local politics ⓘ social policy ⓘ urban policy ⓘ |
| governmentLevel | municipal ⓘ |
| hasGender | male ⓘ |
| jurisdiction |
Shibuya ward
ⓘ
linked to:
Shibuya-ku
local government of Shibuya ⓘ |
| languageOfWorkOrName | Japanese ⓘ |
| locatedInTheAdministrativeTerritorialEntityGoverned |
Japan
ⓘ
Tokyo ⓘ |
| notableFor |
LGBTQ+ inclusive policies in Shibuya
ⓘ
branding Shibuya as a global city ⓘ progressive social policies ⓘ progressive urban policies ⓘ urban revitalization in Shibuya ⓘ |
| occupation | politician ⓘ |
| partOf |
Japanese local politics
ⓘ
local government of Tokyo ⓘ
linked to:
Tokyo Metropolitan Government
|
| politicalFocus |
inclusivity
ⓘ
progressive policies ⓘ tourism promotion in Shibuya ⓘ urban livability ⓘ youth-oriented urban culture ⓘ |
| politicalTerritoryGoverned |
Shibuya
ⓘ
Shibuya ward ⓘ
linked to:
Shibuya-ku
|
| positionHeld |
Mayor of Shibuya
ⓘ
ward mayor ⓘ |
| residence |
Japan
ⓘ
Shibuya ⓘ Tokyo ⓘ |
| workLocation |
Shibuya
ⓘ
Shibuya City Office ⓘ 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: Ken Hasebe Description of subject: Ken Hasebe is a Japanese politician who serves as the mayor of Tokyo’s Shibuya ward, known for promoting progressive urban and social policies.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.