Nagatachō, Tokyo
E619465
Nagatachō, Tokyo is a central district in Japan’s capital city that serves as the core of the national government, housing key institutions such as the National Diet and the Prime Minister’s office.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Nagatachō, Tokyo canonical | 3 |
| Akasaka Mitsuke, Tokyo | 1 |
| Chiyoda, Tokyo | 1 |
| Nagatachō, Chiyoda, Tokyo | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5906078 — 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: Nagatachō, Tokyo Context triple: [Cabinet Secretariat (Japan), headquartersLocation, Nagatachō, Tokyo]
-
A.
Toshima, Tokyo
Toshima, Tokyo is a special ward in northwestern Tokyo known for its major commercial and entertainment hub Ikebukuro and its mix of residential, educational, and cultural institutions.
-
B.
Itabashi, Tokyo
Itabashi, Tokyo is one of Tokyo's 23 special wards, located in the northwestern part of the metropolis and known as a primarily residential and commercial area.
-
C.
Aoyama, Tokyo
Aoyama, Tokyo is an upscale neighborhood in Minato Ward known for its fashionable boutiques, trendy cafes, art galleries, and modern architecture.
-
D.
Bunkyo, Tokyo
Bunkyo, Tokyo is a central special ward of Tokyo known for its educational institutions, cultural sites, and major sports venues such as the Tokyo Dome.
-
E.
Kunitachi, Tokyo
Kunitachi, Tokyo is a suburban city in western Tokyo known for its academic institutions, tree-lined avenues, and reputation as a quiet, residential college town.
- 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: Nagatachō, Tokyo Target entity description: Nagatachō, Tokyo is a central district in Japan’s capital city that serves as the core of the national government, housing key institutions such as the National Diet and the Prime Minister’s office.
-
A.
Toshima, Tokyo
Toshima, Tokyo is a special ward in northwestern Tokyo known for its major commercial and entertainment hub Ikebukuro and its mix of residential, educational, and cultural institutions.
-
B.
Itabashi, Tokyo
Itabashi, Tokyo is one of Tokyo's 23 special wards, located in the northwestern part of the metropolis and known as a primarily residential and commercial area.
-
C.
Aoyama, Tokyo
Aoyama, Tokyo is an upscale neighborhood in Minato Ward known for its fashionable boutiques, trendy cafes, art galleries, and modern architecture.
-
D.
Bunkyo, Tokyo
Bunkyo, Tokyo is a central special ward of Tokyo known for its educational institutions, cultural sites, and major sports venues such as the Tokyo Dome.
-
E.
Kunitachi, Tokyo
Kunitachi, Tokyo is a suburban city in western Tokyo known for its academic institutions, tree-lined avenues, and reputation as a quiet, residential college town.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
district
ⓘ
neighborhood ⓘ |
| adjacentTo |
Akasaka, Tokyo
NERFINISHED
ⓘ
Hanzōmon area NERFINISHED ⓘ Kasumigaseki, Tokyo NERFINISHED ⓘ |
| contains |
Cabinet Office of Japan
NERFINISHED
ⓘ
House of Councillors of Japan NERFINISHED ⓘ House of Representatives of Japan NERFINISHED ⓘ Kōmeitō headquarters ⓘ Liberal Democratic Party headquarters NERFINISHED ⓘ National Diet Building NERFINISHED ⓘ Official Residence of the Prime Minister of Japan NERFINISHED ⓘ Prime Minister’s Office of Japan NERFINISHED ⓘ |
| country | Japan ⓘ |
| governedBy | Chiyoda City government NERFINISHED ⓘ |
| hasFunction |
center of legislative power in Japan
ⓘ
location of the Japanese executive branch offices ⓘ |
| hasNameInLanguage | 永田町 NERFINISHED ⓘ |
| hasPostalCode | 100-0014 ⓘ |
| hasRole |
political center of Japan
ⓘ
seat of the national government of Japan ⓘ |
| knownFor |
government offices
ⓘ
national political institutions ⓘ political party headquarters ⓘ |
| languageUsed | Japanese ⓘ |
| locatedIn |
Chiyoda, Tokyo
NERFINISHED
ⓘ
Honshū NERFINISHED ⓘ Japan’s capital city ⓘ Kantō region ⓘ Tokyo ⓘ Tokyo Metropolis NERFINISHED ⓘ central Tokyo ⓘ |
| near | Imperial Palace, Tokyo NERFINISHED ⓘ |
| partOf |
Chiyoda ward
NERFINISHED
ⓘ
Tokyo’s government district NERFINISHED ⓘ |
| servedBy |
Akasaka-mitsuke Station
NERFINISHED
ⓘ
Nagatachō Station NERFINISHED ⓘ Tokyo Metro Ginza Line NERFINISHED ⓘ Tokyo Metro Hanzōmon Line NERFINISHED ⓘ Tokyo Metro Marunouchi Line NERFINISHED ⓘ Tokyo Metro Namboku Line NERFINISHED ⓘ Tokyo Metro Yurakuchō Line NERFINISHED ⓘ |
| timezone | Japan Standard Time NERFINISHED ⓘ |
| utcOffset | +09:00 ⓘ |
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: Nagatachō, Tokyo Description of subject: Nagatachō, Tokyo is a central district in Japan’s capital city that serves as the core of the national government, housing key institutions such as the National Diet and the Prime Minister’s office.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Cabinet Secretariat (Japan)
this entity surface form:
Chiyoda, Tokyo
this entity surface form:
Akasaka Mitsuke, Tokyo
this entity surface form:
Nagatachō, Chiyoda, Tokyo