Tokyo Imperial Palace
E11510
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.
All labels observed (15)
How this entity was disambiguated
This entity first appeared as the object of triple T51528 — 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: Tokyo Imperial Palace Context triple: [Naruhito, residence, Tokyo Imperial Palace]
-
A.
Tsutenkaku Tower
Tsutenkaku Tower is a historic observation and entertainment tower in Osaka, Japan, known as a symbol of the city’s Shinsekai district.
-
B.
Osaka Castle
Osaka Castle is a historic Japanese fortress in Osaka, renowned for its grand architecture, surrounding park, and major role in Japan’s feudal history.
-
C.
Expo ’70 Commemorative Park
Expo ’70 Commemorative Park is a large public park in Suita, Osaka, built on the former site of the 1970 World Exposition and known for its expansive green spaces, museums, and the iconic Tower of the Sun.
-
D.
Sakai Mozu Kofun Group
The Sakai Mozu Kofun Group is a cluster of massive ancient burial mounds, including some of the world’s largest keyhole-shaped tombs, dating from Japan’s Kofun period and recognized as a UNESCO World Heritage Site.
-
E.
Genbaku Dome
Genbaku Dome, also known as the Hiroshima Peace Memorial, is the preserved ruin of a building near the hypocenter of the 1945 atomic blast and now serves as a UNESCO World Heritage Site symbolizing the horrors of nuclear war and the hope for peace.
- 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: Tokyo Imperial Palace Target entity description: 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.
-
A.
Tsutenkaku Tower
Tsutenkaku Tower is a historic observation and entertainment tower in Osaka, Japan, known as a symbol of the city’s Shinsekai district.
-
B.
Osaka Castle
Osaka Castle is a historic Japanese fortress in Osaka, renowned for its grand architecture, surrounding park, and major role in Japan’s feudal history.
-
C.
Expo ’70 Commemorative Park
Expo ’70 Commemorative Park is a large public park in Suita, Osaka, built on the former site of the 1970 World Exposition and known for its expansive green spaces, museums, and the iconic Tower of the Sun.
-
D.
Sakai Mozu Kofun Group
The Sakai Mozu Kofun Group is a cluster of massive ancient burial mounds, including some of the world’s largest keyhole-shaped tombs, dating from Japan’s Kofun period and recognized as a UNESCO World Heritage Site.
-
E.
Genbaku Dome
Genbaku Dome, also known as the Hiroshima Peace Memorial, is the preserved ruin of a building near the hypocenter of the 1945 atomic blast and now serves as a UNESCO World Heritage Site symbolizing the horrors of nuclear war and the hope for peace.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
imperial palace
ⓘ
royal residence ⓘ |
| administrativeCenterOf | Imperial Household Agency ⓘ |
| alsoKnownAs |
Tokyo Imperial Palace
ⓘ
surface form:
Imperial Palace
Kōkyo ⓘ |
| cityCenterRole | major green space in central Tokyo ⓘ |
| coordinates | 35.6852°N 139.7528°E ⓘ |
| country | Japan ⓘ |
| environment | large historic park area ⓘ |
| eraOfCurrentRole | Meiji period onward ⓘ |
| formerSiteOf |
Tokyo Imperial Palace
self-linksurface differs
ⓘ
surface form:
Edo Castle
|
| function |
administrative center of Japan’s imperial family
ⓘ
primary residence of the Emperor of Japan ⓘ |
| hasPart |
Fukiage Garden
ⓘ
surface form:
East Gardens of the Imperial Palace
Fukiage Garden ⓘ Fushimi-yagura (turret) ⓘ Imperial Household Agency Building ⓘ
surface form:
Imperial Household Agency buildings
Kitanomaru Park ⓘ Tokyo Imperial Palace self-linksurface differs ⓘ
surface form:
Kyūden (main palace complex)
Nijūbashi Bridge ⓘ Otemon Gate ⓘ Sakurada Gate ⓘ moats ⓘ stone walls ⓘ |
| heritageStatus | important cultural and historical site of Japan ⓘ |
| locatedIn |
Chiyoda, Tokyo, Japan
ⓘ
surface form:
Chiyoda, Tokyo
Honshu ⓘ Japan ⓘ Kantō region ⓘ Tokyo ⓘ |
| managedBy | Imperial Household Agency ⓘ |
| near |
Kitanomaru Park
ⓘ
surface form:
Hibiya Park
National Diet Building ⓘ Tokyo Station ⓘ |
| notableEvent |
Emperor’s Birthday public appearance
ⓘ
Emperor’s public New Year address ⓘ |
| occupant |
Emperor of Japan
ⓘ
Imperial House of Japan ⓘ
surface form:
Imperial Family of Japan
|
| ownership |
Japan
ⓘ
surface form:
State of Japan
|
| precededBy | Kyoto Imperial Palace as primary imperial residence ⓘ |
| publicAccess |
East Gardens open to public
ⓘ
inner grounds open on Emperor’s Birthday ⓘ inner grounds open on New Year’s Greeting ⓘ |
| reconstructed | post-World War II ⓘ |
| style | Japanese palace architecture ⓘ |
| surroundedBy |
Fukiage Garden
ⓘ
surface form:
Imperial Palace Outer Garden
business district of Marunouchi ⓘ |
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: Tokyo Imperial Palace Description of subject: 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.
Referenced by (82)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Yasakani no Magatama
this entity surface form:
Imperial Palace
this entity surface form:
Imperial Palace
this entity surface form:
Imperial Palace, Tokyo
subject surface form:
Sokui no rei
this entity surface form:
Imperial Palace
this entity surface form:
Imperial Palace
this entity surface form:
Imperial Palace, Tokyo
this entity surface form:
Imperial Palace in Tokyo
this entity surface form:
Tokyo Imperial Palace outer moat system