Imperial Palace grounds
E337163
The Imperial Palace grounds are an expansive, historic park-like area in central Tokyo that encompass the primary residence of Japan’s Emperor, surrounded by moats, gardens, and remnants of the former Edo Castle.
All labels observed (9)
How this entity was disambiguated
This entity first appeared as the object of triple T3214722 — 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 Palace grounds Context triple: [Imperial Household Agency Building, locatedInOrNextToBodyOfWater, Imperial Palace grounds]
-
A.
Nishinomaru Garden
Nishinomaru Garden is a scenic landscaped garden within the Osaka Castle grounds, known for its expansive lawns, cherry blossoms, and panoramic views of the castle keep.
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B.
Crown Prince Garden
Crown Prince Garden is an ornate, historically designed garden within Vienna’s Schönbrunn Palace complex, known for its formal layouts, decorative plantings, and association with the Habsburg imperial family.
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C.
Rikugien Garden
Rikugien Garden is a famous Edo-period strolling landscape garden in Tokyo known for its seasonal foliage, traditional teahouses, and carefully designed ponds and pathways.
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D.
Fukushū-en Garden
Fukushū-en Garden is a traditional Chinese-style garden in Naha, Okinawa, known for its classical architecture, ponds, and landscaped scenery symbolizing the city’s historical ties with Fuzhou, China.
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E.
Ninomaru Garden
Ninomaru Garden is a renowned traditional Japanese landscape garden within Kyoto’s Nijō Castle, celebrated for its carefully arranged ponds, stones, and plantings that reflect Edo-period aesthetics.
- 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 Palace grounds Target entity description: The Imperial Palace grounds are an expansive, historic park-like area in central Tokyo that encompass the primary residence of Japan’s Emperor, surrounded by moats, gardens, and remnants of the former Edo Castle.
-
A.
Nishinomaru Garden
Nishinomaru Garden is a scenic landscaped garden within the Osaka Castle grounds, known for its expansive lawns, cherry blossoms, and panoramic views of the castle keep.
-
B.
Crown Prince Garden
Crown Prince Garden is an ornate, historically designed garden within Vienna’s Schönbrunn Palace complex, known for its formal layouts, decorative plantings, and association with the Habsburg imperial family.
-
C.
Rikugien Garden
Rikugien Garden is a famous Edo-period strolling landscape garden in Tokyo known for its seasonal foliage, traditional teahouses, and carefully designed ponds and pathways.
-
D.
Fukushū-en Garden
Fukushū-en Garden is a traditional Chinese-style garden in Naha, Okinawa, known for its classical architecture, ponds, and landscaped scenery symbolizing the city’s historical ties with Fuzhou, China.
-
E.
Ninomaru Garden
Ninomaru Garden is a renowned traditional Japanese landscape garden within Kyoto’s Nijō Castle, celebrated for its carefully arranged ponds, stones, and plantings that reflect Edo-period aesthetics.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
palace complex ⓘ park ⓘ |
| adjacentTo |
Hibiya Park
ⓘ
Marunouchi business district ⓘ Otemachi ⓘ
surface form:
Otemachi business district
Tokyo Station NERFINISHED ⓘ |
| cityscapeRole | major green space in central Tokyo ⓘ |
| contains |
Fukiage Garden
ⓘ
Fukiage Gyoen ⓘ Fushimi-yagura (turret) ⓘ Imperial Household Agency buildings ⓘ Imperial Palace grounds self-linksurface differs ⓘ
surface form:
Imperial Palace East Gardens
Imperial Palace grounds self-linksurface differs ⓘ
surface form:
Imperial Palace Plaza
Kikyō-mon Gate ⓘ Kitanomaru Park ⓘ Nijūbashi Bridge ⓘ
surface form:
Nijubashi Bridge
Ninomaru Garden ⓘ Otemon Gate ⓘ Sannomaru Shozokan (Museum of the Imperial Collections) ⓘ Tokyo Imperial Palace ⓘ gardens ⓘ guardhouses ⓘ large lawns ⓘ primary residence of the Emperor of Japan ⓘ public walking paths ⓘ remnants of Edo Castle ⓘ stone walls ⓘ wooded areas ⓘ |
| country | Japan ⓘ |
| currentUse | residence of the Imperial Family ⓘ |
| governedBy | Imperial Household Agency ⓘ |
| hasFunction |
official residence of the Emperor of Japan
ⓘ
public recreation area ⓘ tourist attraction ⓘ venue for state ceremonies ⓘ |
| hasPartOpenToPublic |
Imperial Palace grounds
self-linksurface differs
ⓘ
surface form:
Imperial Palace East Gardens
Kitanomaru Park ⓘ |
| hasRestrictedArea | inner palace zone ⓘ |
| historicalPeriod | Edo period ⓘ |
| historicalUse | site of Edo Castle, seat of the Tokugawa shogunate ⓘ |
| locatedIn |
Chiyoda, Tokyo
ⓘ
Honshu ⓘ Kantō region ⓘ Tokyo ⓘ central Tokyo ⓘ |
| occupiesFormerSiteOf | Edo Castle ⓘ |
| surroundedBy |
broad avenues
ⓘ
moats ⓘ outer gardens ⓘ |
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 Palace grounds Description of subject: The Imperial Palace grounds are an expansive, historic park-like area in central Tokyo that encompass the primary residence of Japan’s Emperor, surrounded by moats, gardens, and remnants of the former Edo Castle.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
East Gardens of the Imperial Palace
this entity surface form:
Imperial Palace Outer Gardens
this entity surface form:
Imperial Palace East Gardens
subject surface form:
Fushimi-yagura
this entity surface form:
Imperial Palace moat
this entity surface form:
Imperial Palace outer moat
this entity surface form:
Imperial Palace East Gardens
this entity surface form:
East Gardens of the Imperial Palace
this entity surface form:
Imperial Palace Outer Gardens
this entity surface form:
Imperial Palace East Gardens
this entity surface form:
Imperial Palace Plaza
this entity surface form:
Imperial Palace East Gardens
this entity surface form:
Imperial Palace outer garden system
this entity surface form:
East Gardens of the Imperial Palace
this entity surface form:
East Gardens of the Imperial Palace
this entity surface form:
Imperial Palace Plaza
this entity surface form:
East Gardens of the Imperial Palace
this entity surface form:
Outer Moat of the Imperial Palace