Akasaka Palace
E115380
Akasaka Palace is a former imperial residence in Tokyo that now serves as Japan’s state guest house for hosting visiting dignitaries and official events.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Akasaka Palace canonical | 4 |
| Akasaka Imperial Residence | 2 |
| Akasaka Palace (State Guest House) | 2 |
| Akasaka Palace, Tokyo, Japan | 2 |
| Aoyama Palace | 2 |
| Geihinkan Akasaka Rikyu | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T905617 — 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: Akasaka Palace Context triple: [Empress Kōjun, residence, Akasaka 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.
Aoyama Palace, Tokyo, Japan
Aoyama Palace in Tokyo, Japan, was a former imperial residence best known as the birthplace and early home of Emperor Taishō.
-
C.
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.
-
D.
Meiji Shrine
Meiji Shrine is a major Shinto shrine in Tokyo dedicated to Emperor Meiji and Empress Shōken, known for its expansive forested grounds and traditional ceremonies.
-
E.
Imperial Household Agency Building
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.
- 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: Akasaka Palace Target entity description: Akasaka Palace is a former imperial residence in Tokyo that now serves as Japan’s state guest house for hosting visiting dignitaries and official events.
-
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.
Aoyama Palace, Tokyo, Japan
Aoyama Palace in Tokyo, Japan, was a former imperial residence best known as the birthplace and early home of Emperor Taishō.
-
C.
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.
-
D.
Meiji Shrine
Meiji Shrine is a major Shinto shrine in Tokyo dedicated to Emperor Meiji and Empress Shōken, known for its expansive forested grounds and traditional ceremonies.
-
E.
Imperial Household Agency Building
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
former imperial residence
ⓘ
state guest house ⓘ |
| architect | Katayama Tōkuma ⓘ |
| architecturalStyle |
Neo-Baroque
ⓘ
Baroque Revival ⓘ
surface form:
Neo-Baroque Revival
|
| buildingMaterial | stone ⓘ |
| city | Tokyo ⓘ |
| coordinates | 35.681°N 139.732°E ⓘ |
| country | Japan ⓘ |
| currentFunction | state guest house ⓘ |
| floorCount | 2 ⓘ |
| hasGardenStyle |
European-style garden
ⓘ
Japanese-style garden ⓘ |
| hasPart |
Japanese-style annex
ⓘ
banquet halls ⓘ fountain garden ⓘ front garden ⓘ guest suites ⓘ main building ⓘ reception rooms ⓘ |
| heritageDesignation |
National Treasures of Japan
ⓘ
surface form:
National Treasure of Japan
|
| heritageDesignationDate | 2009 ⓘ |
| inception | 1909 ⓘ |
| JapaneseName |
Akasaka Palace
self-linksurface differs
ⓘ
surface form:
Geihinkan Akasaka Rikyu
|
| JapaneseOfficialName | Geihinkan Kokyō Akasaka Rikyu ⓘ |
| languageOfOfficialName | Japanese ⓘ |
| location |
Akasaka
ⓘ
surface form:
Akasaka, Minato, Tokyo
|
| nearby |
Tokyo Imperial Palace grounds
ⓘ
surface form:
Akasaka Imperial Grounds
Yotsuya Station ⓘ |
| notableEventTypeHosted |
APEC meetings
ⓘ
ASEAN-related meetings ⓘ G7 ⓘ
surface form:
G7 summit meetings
G8 summit meetings ⓘ |
| operator | Cabinet Office of Japan ⓘ |
| originalFunction | imperial residence ⓘ |
| owner | Government of Japan ⓘ |
| publicAccess | limited guided tours ⓘ |
| region | Kantō region ⓘ |
| roofMaterial | copper ⓘ |
| securityProvidedBy | Japanese government security services ⓘ |
| significance |
primary state guest house of Japan
ⓘ
symbol of Japan’s diplomacy ⓘ |
| usedFor |
bilateral summit meetings
ⓘ
hosting visiting dignitaries ⓘ international conferences ⓘ official state events ⓘ state banquets ⓘ |
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: Akasaka Palace Description of subject: Akasaka Palace is a former imperial residence in Tokyo that now serves as Japan’s state guest house for hosting visiting dignitaries and official events.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Akasaka Palace (State Guest House)
this entity surface form:
Akasaka Palace (State Guest House)
subject surface form:
Akasaka Estate
this entity surface form:
Akasaka Imperial Residence
subject surface form:
Akasaka Estate
subject surface form:
Emperor Taishō
this entity surface form:
Aoyama Palace
subject surface form:
Emperor Taishō
this entity surface form:
Aoyama Palace
this entity surface form:
Akasaka Palace, Tokyo, Japan
this entity surface form:
Akasaka Palace, Tokyo, Japan
this entity surface form:
Geihinkan Akasaka Rikyu
this entity surface form:
Akasaka Imperial Residence