Tokyo Metropolitan Government Building
E126073
The Tokyo Metropolitan Government Building is a landmark twin-tower skyscraper in Shinjuku, Tokyo, known for housing the city’s government offices and offering public observation decks with panoramic views.
All labels observed (7)
How this entity was disambiguated
This entity first appeared as the object of triple T1087324 — 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 Metropolitan Government Building Context triple: [Kenzo Tange, notableWork, Tokyo Metropolitan Government Building]
-
A.
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.
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B.
Nagoya City Hall
Nagoya City Hall is the central municipal government building and administrative headquarters of the city of Nagoya, Japan.
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C.
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.
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D.
Yokohama Landmark Tower
Yokohama Landmark Tower is a prominent skyscraper in Yokohama, Japan, known for its height, office and hotel facilities, and observation deck offering panoramic city and bay views.
-
E.
Umeda Sky Building
Umeda Sky Building is a landmark high-rise complex in Osaka, Japan, known for its striking twin-tower design connected by a rooftop observatory with panoramic city views.
- 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 Metropolitan Government Building Target entity description: The Tokyo Metropolitan Government Building is a landmark twin-tower skyscraper in Shinjuku, Tokyo, known for housing the city’s government offices and offering public observation decks with panoramic views.
-
A.
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.
-
B.
Nagoya City Hall
Nagoya City Hall is the central municipal government building and administrative headquarters of the city of Nagoya, Japan.
-
C.
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.
-
D.
Yokohama Landmark Tower
Yokohama Landmark Tower is a prominent skyscraper in Yokohama, Japan, known for its height, office and hotel facilities, and observation deck offering panoramic city and bay views.
-
E.
Umeda Sky Building
Umeda Sky Building is a landmark high-rise complex in Osaka, Japan, known for its striking twin-tower design connected by a rooftop observatory with panoramic city views.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
government building
ⓘ
landmark ⓘ skyscraper ⓘ |
| address | 2-8-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo ⓘ |
| architect | Kenzo Tange ⓘ |
| architecturalStyle | Postmodern architecture ⓘ |
| buildingType | office building ⓘ |
| city | Tokyo ⓘ |
| completionDate | 1990 ⓘ |
| country | Japan ⓘ |
| countrySubdivision |
Tokyo Prefecture
ⓘ
surface form:
Tokyo Metropolis
|
| developer | Tokyo Metropolitan Government ⓘ |
| district | Shinjuku ⓘ |
| elevatorCount | more than 30 elevators ⓘ |
| function | seat of the Tokyo Metropolitan Government ⓘ |
| governingBody | Tokyo Metropolitan Government ⓘ |
| hasFeature |
central plaza
ⓘ
free observation decks ⓘ twin-tower design ⓘ |
| hasMapLabel | Tokyo Metropolitan Government Building self-link ⓘ |
| hasNickname | Tocho ⓘ |
| hasNightIllumination | yes ⓘ |
| hasObservationDeck |
North Tower observation deck
ⓘ
South Tower observation deck ⓘ |
| hasPart |
Tokyo Metropolitan Government Building
self-linksurface differs
ⓘ
surface form:
Tokyo Metropolitan Government Building No.1
Tokyo Metropolitan Government Building self-linksurface differs ⓘ
surface form:
Tokyo Metropolitan Government Building No.2
|
| height | approximately 243 meters ⓘ |
| houses |
Tokyo Metropolitan Government
ⓘ
surface form:
Office of the Governor of Tokyo
Tokyo Metropolitan Government ⓘ |
| locatedIn |
Japan
ⓘ
Shinjuku ⓘ Tokyo ⓘ |
| locatedInTimeZone | Japan Standard Time ⓘ |
| locatedInWard |
Shinjuku
ⓘ
surface form:
Shinjuku Ward
|
| near |
Shinjuku Central Park
ⓘ
Shinjuku Station ⓘ |
| numberOfBasementLevels | 3 ⓘ |
| numberOfFloors | 48 above ground ⓘ |
| numberOfTowers | 2 ⓘ |
| openingDate | 1991 ⓘ |
| owner | Tokyo Metropolitan Government ⓘ |
| publicAccess | observation decks open to the public ⓘ |
| region | Kantō region ⓘ |
| roofHeight | approximately 243 meters ⓘ |
| structuralSystem | steel and reinforced concrete ⓘ |
| touristAttraction | yes ⓘ |
| usedFor |
administrative offices
ⓘ
public observation ⓘ |
| view | panoramic view of Tokyo ⓘ |
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 Metropolitan Government Building Description of subject: The Tokyo Metropolitan Government Building is a landmark twin-tower skyscraper in Shinjuku, Tokyo, known for housing the city’s government offices and offering public observation decks with panoramic views.
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Tokyo Metropolitan Government Building observatories
Tokyo Metropolitan Government Building
→
hasPart
→
Tokyo Metropolitan Government Building
self-linksurface differs
ⓘ
this entity surface form:
Tokyo Metropolitan Government Building No.1
Tokyo Metropolitan Government Building
→
hasPart
→
Tokyo Metropolitan Government Building
self-linksurface differs
ⓘ
this entity surface form:
Tokyo Metropolitan Government Building No.2
Tokyo Metropolitan Government Building
→
hasMapLabel
→
Tokyo Metropolitan Government Building
self-link
ⓘ
this entity surface form:
Tokyo Metropolitan Assembly Building
this entity surface form:
Tokyo Metropolitan Government Building No. 2
subject surface form:
Kenzo Tange
this entity surface form:
Tokyo Metropolitan Government Building area