Tokyo Imperial Palace grounds
E373456
Tokyo Imperial Palace grounds are the expansive, historic estate in central Tokyo that serves as the main residence of Japan’s Emperor, featuring palaces, gardens, and moats on the former site of Edo Castle.
All labels observed (10)
How this entity was disambiguated
This entity first appeared as the object of triple T3594855 — 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 grounds Context triple: [Fukiage Garden, partOf, Tokyo Imperial Palace grounds]
-
A.
Hibiya Park
Hibiya Park is a historic public park in central Tokyo known for its Western-style gardens, open-air concert venues, and role as a popular cultural and political gathering place.
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B.
Meiji Jingu Gaien area
The Meiji Jingu Gaien area is a prominent cultural and recreational district in Tokyo known for its tree-lined avenues, sports facilities, and seasonal attractions such as autumn foliage and ginkgo-lined streets.
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C.
Meiji Jingu Inner Garden
Meiji Jingu Inner Garden is a tranquil, historic Japanese garden in Tokyo known for its seasonal irises, pond, and serene wooded setting within the Meiji Shrine grounds.
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D.
Ueno Park
Ueno Park is a large public park in Tokyo famous for its cherry blossoms, cultural institutions like museums and a zoo, and historic temples and shrines.
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E.
Shinjuku Gyoen National Garden
Shinjuku Gyoen National Garden is a large, historic park in central Tokyo known for its expansive lawns, seasonal cherry blossoms, and a blend of traditional Japanese, English, and French garden landscapes.
- 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 grounds Target entity description: Tokyo Imperial Palace grounds are the expansive, historic estate in central Tokyo that serves as the main residence of Japan’s Emperor, featuring palaces, gardens, and moats on the former site of Edo Castle.
-
A.
Hibiya Park
Hibiya Park is a historic public park in central Tokyo known for its Western-style gardens, open-air concert venues, and role as a popular cultural and political gathering place.
-
B.
Meiji Jingu Gaien area
The Meiji Jingu Gaien area is a prominent cultural and recreational district in Tokyo known for its tree-lined avenues, sports facilities, and seasonal attractions such as autumn foliage and ginkgo-lined streets.
-
C.
Meiji Jingu Inner Garden
Meiji Jingu Inner Garden is a tranquil, historic Japanese garden in Tokyo known for its seasonal irises, pond, and serene wooded setting within the Meiji Shrine grounds.
-
D.
Ueno Park
Ueno Park is a large public park in Tokyo famous for its cherry blossoms, cultural institutions like museums and a zoo, and historic temples and shrines.
-
E.
Shinjuku Gyoen National Garden
Shinjuku Gyoen National Garden is a large, historic park in central Tokyo known for its expansive lawns, seasonal cherry blossoms, and a blend of traditional Japanese, English, and French garden landscapes.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
imperial residence ⓘ palace complex ⓘ |
| adjacentTo |
Hibiya Park
ⓘ
Marunouchi business district ⓘ Otemachi ⓘ
surface form:
Otemachi business district
|
| area | approximately 1.15 square kilometers ⓘ |
| cityCenterRole | major green space in central Tokyo ⓘ |
| contains |
Imperial Palace grounds
ⓘ
surface form:
East Gardens of the Imperial Palace
Fukiage Garden ⓘ Imperial Household Agency Building ⓘ
surface form:
Imperial Household Agency buildings
Imperial Palace grounds ⓘ
surface form:
Imperial Palace Plaza
Kitanomaru Park ⓘ Nijūbashi Bridge ⓘ
surface form:
Nijubashi Bridge
Tokyo Imperial Palace ⓘ bridges ⓘ guardhouses ⓘ moats ⓘ stone walls ⓘ |
| country | Japan ⓘ |
| governedBy | Imperial Household Agency ⓘ |
| hasFunction |
primary residence of the Emperor of Japan
ⓘ
site for official receptions ⓘ site for state ceremonies ⓘ |
| hasJapaneseName | 皇居外苑など皇居一帯 ⓘ |
| hasPart |
inner palace zone
ⓘ
outer gardens ⓘ public parks ⓘ |
| hasRestrictedArea | inner palace area ⓘ |
| historicalPrecursor | Edo Castle ⓘ |
| locatedIn |
Chiyoda, Tokyo
ⓘ
Japan ⓘ Tokyo ⓘ |
| notableView | Nijubashi Bridge and palace facade ⓘ |
| occupiesFormerSiteOf | Edo Castle ⓘ |
| openToPublic |
Imperial Palace grounds
ⓘ
surface form:
East Gardens of the Imperial Palace
Kitanomaru Park ⓘ |
| openToPublicOnSpecificDays |
Emperor’s Birthday
ⓘ
New Year’s Greeting ⓘ |
| ownedBy |
Japan
ⓘ
surface form:
State of Japan
|
| primaryAccessStation |
Nijubashimae Station
NERFINISHED
ⓘ
Otemachi Station NERFINISHED ⓘ Tokyo Station NERFINISHED ⓘ |
| surroundedBy |
moats
ⓘ
stone ramparts ⓘ |
| timeZone | Japan Standard Time ⓘ |
| tourismAttraction | popular sightseeing destination in Tokyo ⓘ |
| wasSeatOf |
Chiyoda Castle
ⓘ
surface form:
Tokugawa shogunate (as Edo Castle site)
|
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 grounds Description of subject: Tokyo Imperial Palace grounds are the expansive, historic estate in central Tokyo that serves as the main residence of Japan’s Emperor, featuring palaces, gardens, and moats on the former site of Edo Castle.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Fushimi-yagura
this entity surface form:
Tokyo Imperial Palace complex
this entity surface form:
Tokyo Imperial Palace complex
this entity surface form:
Akasaka Imperial Grounds
this entity surface form:
Imperial Palace outer gardens
this entity surface form:
Tokyo Imperial Palace area
this entity surface form:
Imperial Palace outer gardens
this entity surface form:
outer grounds of the Tokyo Imperial Palace
this entity surface form:
Tokyo Imperial Palace site
this entity surface form:
Tokyo Imperial Palace outer defenses
this entity surface form:
Tokyo Imperial Palace outer grounds
this entity surface form:
Imperial Palace grounds