Imperial Household Agency Building
E67362
The Imperial Household Agency Building is the government office complex in Tokyo that serves as the administrative headquarters for Japan’s Imperial Household Agency, which manages affairs related to the Imperial Family and the Imperial Palace.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Imperial Household Agency buildings | 3 |
| Imperial Household Agency headquarters | 3 |
| Imperial Household Agency Building canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T539198 — 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: Imperial Household Agency Building Context triple: [Imperial Household Agency, locatedInFacility, Imperial Household Agency Building]
-
A.
Tokyo Imperial Palace
Tokyo Imperial Palace is the primary residence and administrative center of Japan’s imperial family, located in a large historic park area in central Tokyo.
-
B.
Supreme Court of Japan Building
The Supreme Court of Japan Building is the official courthouse complex in Tokyo that houses Japan’s highest judicial authority.
-
C.
National Diet Building
The National Diet Building is Japan’s iconic parliamentary complex in Tokyo, known for its distinctive central tower and role as the seat of the country’s legislature.
-
D.
Kyoto Imperial Palace
Kyoto Imperial Palace is the historic former seat of Japan’s emperors in Kyoto, renowned for its traditional architecture and role as the center of imperial court life before the capital moved to Tokyo.
-
E.
Dai-Ichi Seimei Building, Tokyo
The Dai-Ichi Seimei Building in Tokyo is a historic office building best known for serving as General Douglas MacArthur’s headquarters during the Allied occupation of Japan after World War II.
- 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: Imperial Household Agency Building Target entity description: The Imperial Household Agency Building is the government office complex in Tokyo that serves as the administrative headquarters for Japan’s Imperial Household Agency, which manages affairs related to the Imperial Family and the Imperial Palace.
-
A.
Tokyo Imperial Palace
Tokyo Imperial Palace is the primary residence and administrative center of Japan’s imperial family, located in a large historic park area in central Tokyo.
-
B.
Supreme Court of Japan Building
The Supreme Court of Japan Building is the official courthouse complex in Tokyo that houses Japan’s highest judicial authority.
-
C.
National Diet Building
The National Diet Building is Japan’s iconic parliamentary complex in Tokyo, known for its distinctive central tower and role as the seat of the country’s legislature.
-
D.
Kyoto Imperial Palace
Kyoto Imperial Palace is the historic former seat of Japan’s emperors in Kyoto, renowned for its traditional architecture and role as the center of imperial court life before the capital moved to Tokyo.
-
E.
Dai-Ichi Seimei Building, Tokyo
The Dai-Ichi Seimei Building in Tokyo is a historic office building best known for serving as General Douglas MacArthur’s headquarters during the Allied occupation of Japan after World War II.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
government office building
ⓘ
office complex ⓘ |
| architecturalStyle | modernist architecture ⓘ |
| controlledBy | Cabinet Office of Japan ⓘ |
| coordinateLocation | 35.681°N 139.752°E ⓘ |
| country | Japan ⓘ |
| floorCount | several above-ground floors ⓘ |
| hasPart |
offices of the Board of Ceremonies
ⓘ
offices of the Board of the Chamberlains ⓘ offices of the Board of the Crown Prince’s Household ⓘ offices of the Grand Steward ⓘ offices of the Kunaicho Archives ⓘ |
| hasUse |
administrative headquarters
ⓘ
government offices ⓘ |
| locatedInAdministrativeTerritorialEntity |
Chiyoda, Tokyo, Japan
ⓘ
surface form:
Chiyoda, Tokyo
|
| locatedInOrNextToBodyOfWater |
Imperial Palace grounds
ⓘ
Kokyo Gaien National Garden ⓘ |
| locatedNear |
Kasumigaseki
ⓘ
surface form:
Kasumigaseki government district
Tokyo Station ⓘ |
| location | Tokyo ⓘ |
| maintainedBy | Imperial Household Agency ⓘ |
| materialUsed | reinforced concrete ⓘ |
| occupant | Imperial Household Agency ⓘ |
| ownedBy | Government of Japan ⓘ |
| partOf |
Tokyo Imperial Palace
ⓘ
surface form:
Imperial Palace complex
|
| primaryFunction |
administration of Imperial Palace-related matters
ⓘ
coordination of state ceremonies involving the Emperor ⓘ management of affairs of the Imperial Family ⓘ |
| publicAccess | restricted ⓘ |
| significance | central facility for Japan’s Imperial Household administration ⓘ |
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: Imperial Household Agency Building Description of subject: The Imperial Household Agency Building is the government office complex in Tokyo that serves as the administrative headquarters for Japan’s Imperial Household Agency, which manages affairs related to the Imperial Family and the Imperial Palace.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Imperial Household Agency buildings
this entity surface form:
Imperial Household Agency headquarters
this entity surface form:
Imperial Household Agency headquarters
this entity surface form:
Imperial Household Agency buildings
this entity surface form:
Imperial Household Agency headquarters
this entity surface form:
Imperial Household Agency buildings