Kasumigaseki, Tokyo
E526761
Kasumigaseki, Tokyo is a central government district in Chiyoda, Tokyo, known for housing numerous Japanese ministries, agencies, and administrative offices.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Kasumigaseki, Tokyo canonical | 6 |
| Kasumigaseki government district | 2 |
| Kasumigaseki, Chiyoda-ku, Tokyo | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3937400 — 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: Kasumigaseki, Tokyo Context triple: [Cabinet Intelligence and Research Office, locatedIn, Kasumigaseki, 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.
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.
-
C.
Fussa, Tokyo
Fussa, Tokyo is a city in western Tokyo Metropolis known for hosting the Yokota Air Base and having a strong U.S. military presence.
-
D.
Ōta, Tokyo
Ōta, Tokyo is a large ward in southern Tokyo known for its mix of residential and industrial areas and for hosting Haneda Airport, one of Japan’s major international gateways.
-
E.
Arakawa, Tokyo
Arakawa, Tokyo is a special ward in northeastern Tokyo known for its mix of traditional shitamachi neighborhoods, residential areas, and industrial zones.
- 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: Kasumigaseki, Tokyo Target entity description: Kasumigaseki, Tokyo is a central government district in Chiyoda, Tokyo, known for housing numerous Japanese ministries, agencies, and administrative offices.
-
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.
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.
-
C.
Fussa, Tokyo
Fussa, Tokyo is a city in western Tokyo Metropolis known for hosting the Yokota Air Base and having a strong U.S. military presence.
-
D.
Ōta, Tokyo
Ōta, Tokyo is a large ward in southern Tokyo known for its mix of residential and industrial areas and for hosting Haneda Airport, one of Japan’s major international gateways.
-
E.
Arakawa, Tokyo
Arakawa, Tokyo is a special ward in northeastern Tokyo known for its mix of traditional shitamachi neighborhoods, residential areas, and industrial zones.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
district
ⓘ
government district ⓘ |
| adjacentTo |
Hibiya-dori Avenue
ⓘ
linked to:
Hibiya-dori
Sakurada-dori Avenue ⓘ |
| country | Japan ⓘ |
| function | administrative center of the Japanese government ⓘ |
| governedBy | Chiyoda City government ⓘ |
| hasLandmark |
Hibiya Park (nearby)
ⓘ
linked to:
Hibiya Park
Kasumigaseki Building ⓘ |
| hasOfficeOf |
Board of Audit of Japan
ⓘ
Cabinet Office of Japan ⓘ Fair Trade Commission (Japan) ⓘ
linked to:
Japan Fair Trade Commission
Financial Services Agency (Japan) ⓘ
linked to:
Financial Services Agency of Japan
Japan Meteorological Agency ⓘ Japan Transport Safety Board ⓘ Ministry of Education, Culture, Sports, Science and Technology (Japan) ⓘ
linked to:
Ministry of Education of Japan
Ministry of Finance (Japan) ⓘ Ministry of Foreign Affairs (Japan) ⓘ
linked to:
Ministry of Foreign Affairs of Japan
Ministry of Health, Labour and Welfare (Japan) ⓘ Ministry of Justice (Japan) ⓘ
linked to:
Ministry of Justice of Japan
Ministry of Land, Infrastructure, Transport and Tourism (Japan) ⓘ Ministry of the Environment (Japan) ⓘ
linked to:
Ministry of the Environment of Japan
National Police Agency (Japan) ⓘ
linked to:
National Police Agency of Japan
Prime Minister’s Office of Japan ⓘ
linked to:
Prime Minister's Office of Japan
Public Prosecutors Offices (Tokyo High Public Prosecutors Office) ⓘ
linked to:
High Public Prosecutors Offices of Japan
|
| hasPostalCode | 100-0013 (typical code for area) ⓘ |
| knownFor |
Japanese ministries and agencies
ⓘ
administrative offices of the Government of Japan ⓘ central government offices of Japan ⓘ |
| languageUsed | Japanese ⓘ |
| locatedIn |
Chiyoda, Tokyo
ⓘ
Honshu ⓘ Kantō region ⓘ Tokyo ⓘ Tokyo Metropolis ⓘ
linked to:
Tokyo Prefecture
central Tokyo ⓘ |
| near |
Hibiya, Tokyo
ⓘ
Imperial Palace, Tokyo ⓘ
linked to:
Tokyo Imperial Palace
Marunouchi, Tokyo ⓘ Nagatachō, Tokyo ⓘ |
| partOf |
Chiyoda ward
ⓘ
linked to:
Chiyoda
|
| servedBy |
Kasumigaseki Station
ⓘ
Tokyo Metro Chiyoda Line ⓘ Tokyo Metro Hibiya Line ⓘ Tokyo Metro Marunouchi Line ⓘ |
| timeZone | Japan Standard Time ⓘ |
| 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: Kasumigaseki, Tokyo Description of subject: Kasumigaseki, Tokyo is a central government district in Chiyoda, Tokyo, known for housing numerous Japanese ministries, agencies, and administrative offices.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Kasumigaseki, Tokyo
linked to: Kasumigaseki, Tokyo
subject linked to:
Cabinet Office
linked to: Kasumigaseki, Tokyo