Kasumigaseki
E180115
Kasumigaseki is a central district in Tokyo known as Japan’s main government and bureaucratic hub, housing numerous national ministries and agencies.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Kasumigaseki canonical | 16 |
| Kasumigaseki government district | 5 |
| Kasumigaseki government buildings | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1081150 — 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 Context triple: [Ministry of Foreign Affairs of Japan, locatedInTheAdministrativeTerritorialEntity, Kasumigaseki]
-
A.
Tokushima
Tokushima is a coastal city on Japan’s Shikoku Island known for its annual Awa Odori dance festival and role as a regional cultural and economic center.
-
B.
Fukuchiyama
Fukuchiyama is a regional city in northern Kyoto Prefecture, Japan, known as a historical castle town and commercial hub for the surrounding rural area.
-
C.
Ushijima
Ushijima is a Japanese surname borne by various notable individuals, including military figures and fictional characters.
-
D.
Kyotanabe
Kyotanabe is a city in Kyoto Prefecture, Japan, known for its residential suburbs, educational institutions, and location within the Kansai region.
-
E.
Etajima
Etajima is a city in Hiroshima Prefecture, Japan, historically known as the site of the Imperial Japanese Naval Academy.
- 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 Target entity description: Kasumigaseki is a central district in Tokyo known as Japan’s main government and bureaucratic hub, housing numerous national ministries and agencies.
-
A.
Tokushima
Tokushima is a coastal city on Japan’s Shikoku Island known for its annual Awa Odori dance festival and role as a regional cultural and economic center.
-
B.
Fukuchiyama
Fukuchiyama is a regional city in northern Kyoto Prefecture, Japan, known as a historical castle town and commercial hub for the surrounding rural area.
-
C.
Ushijima
Ushijima is a Japanese surname borne by various notable individuals, including military figures and fictional characters.
-
D.
Kyotanabe
Kyotanabe is a city in Kyoto Prefecture, Japan, known for its residential suburbs, educational institutions, and location within the Kansai region.
-
E.
Etajima
Etajima is a city in Hiroshima Prefecture, Japan, historically known as the site of the Imperial Japanese Naval Academy.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
administrative center
ⓘ
district ⓘ neighborhood ⓘ |
| adjacentTo |
Hibiya
ⓘ
Nagatachō ⓘ
linked to:
Nagatachō district
Toranomon ⓘ |
| contains |
Tokyo District Court
ⓘ
Tokyo High Court ⓘ Tokyo Summary Court ⓘ headquarters of the Board of Audit of Japan ⓘ headquarters of the Cabinet Office of Japan ⓘ headquarters of the Financial Services Agency of Japan ⓘ headquarters of the Ministry of Economy, Trade and Industry ⓘ headquarters of the Ministry of Education, Culture, Sports, Science and Technology ⓘ headquarters of the Ministry of Finance of Japan ⓘ headquarters of the Ministry of Foreign Affairs of Japan ⓘ headquarters of the Ministry of Health, Labour and Welfare ⓘ headquarters of the Ministry of Justice of Japan ⓘ headquarters of the Ministry of Land, Infrastructure, Transport and Tourism ⓘ headquarters of the National Police Agency of Japan ⓘ |
| country | Japan ⓘ |
| governedBy |
Chiyoda City
ⓘ
linked to:
Chiyoda
|
| hasCharacteristic |
high concentration of government office buildings
ⓘ
strong weekday daytime population of civil servants ⓘ |
| hasFunction |
seat of many national agencies
ⓘ
seat of many national ministries ⓘ |
| hasNameOrigin | named after the former outer moat area of Edo Castle ⓘ |
| hasPostalCode | 100-0013 ⓘ |
| hasRoadAccess |
National Route 1
ⓘ
National Route 246 ⓘ Shuto Expressway Inner Circular Route ⓘ |
| hasRole | center of Japan’s central government administration ⓘ |
| knownAs |
Japan’s bureaucratic center
ⓘ
Japan’s main government district ⓘ |
| languageUsed | Japanese ⓘ |
| locatedIn |
Chiyoda, Tokyo
ⓘ
linked to:
Chiyoda, Tokyo, Japan
Tokyo ⓘ |
| near |
Hibiya Park
ⓘ
National Diet Building ⓘ Prime Minister’s Official Residence ⓘ |
| partOf |
Tokyo metropolitan area
ⓘ
central Tokyo ⓘ |
| servedBy |
Kasumigaseki Station
NERFINISHED
ⓘ
Tokyo Metro Chiyoda Line NERFINISHED ⓘ Tokyo Metro Hibiya Line NERFINISHED ⓘ Tokyo Metro Marunouchi Line NERFINISHED ⓘ |
| timeZone | Japan Standard Time ⓘ |
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 Description of subject: Kasumigaseki is a central district in Tokyo known as Japan’s main government and bureaucratic hub, housing numerous national ministries and agencies.
Referenced by (22)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Toshimitsu Motegi (as Minister for Foreign Affairs of Japan)
subject linked to:
Nagatachō, Tokyo, Japan
linked to: Kasumigaseki
linked to: Kasumigaseki
linked to: Kasumigaseki
linked to: Kasumigaseki
linked to: Kasumigaseki
linked to: Kasumigaseki
subject linked to:
Nagatachō district