National Diet Building

E15054

government building parliament building

The National Diet Building is Japan’s iconic parliamentary complex in Tokyo, known for its distinctive central tower and role as the seat of the country’s legislature.

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All labels observed (6)

Label	Occurrences
National Diet Building canonical	61
National Diet Building, Tokyo	3
National Diet Building (Tokyo)	1
National Diet Building (from 1936)	1
National Diet Building area	1
National Diet Building in Tokyo	1

How this entity was disambiguated

This entity first appeared as the object of triple T105984 — 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: National Diet Building
Context triple: [National Diet, meetingPlace, National Diet Building]

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. Tsutenkaku Tower
Tsutenkaku Tower is a historic observation and entertainment tower in Osaka, Japan, known as a symbol of the city’s Shinsekai district.
C. 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.
D. House of Representatives of Japan
The House of Representatives of Japan is the more powerful lower chamber of the National Diet, responsible for choosing the prime minister, passing legislation, and overseeing the government.
E. Oheka Castle
Oheka Castle is a grand early-20th-century French-style chateau on Long Island, known as one of the largest private residences in the United States and a prominent historic landmark.
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: National Diet Building
Target entity description: The National Diet Building is Japan’s iconic parliamentary complex in Tokyo, known for its distinctive central tower and role as the seat of the country’s legislature.

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. Tsutenkaku Tower
Tsutenkaku Tower is a historic observation and entertainment tower in Osaka, Japan, known as a symbol of the city’s Shinsekai district.
C. 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.
D. House of Representatives of Japan
The House of Representatives of Japan is the more powerful lower chamber of the National Diet, responsible for choosing the prime minister, passing legislation, and overseeing the government.
E. Oheka Castle
Oheka Castle is a grand early-20th-century French-style chateau on Long Island, known as one of the largest private residences in the United States and a prominent historic landmark.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	government building ⓘ parliament building ⓘ
architect	Muraji Shimomura ⓘ Takeuchi Shinichiro ⓘ Wada Masakazu ⓘ
architecturalStyle	Art Deco ⓘ Neoclassical architecture ⓘ
constructionEndDate	1936 ⓘ
constructionStartDate	1920 ⓘ
coordinates	35.6759°N 139.7447°E ⓘ
country	Japan ⓘ
function	meeting place of the House of Councillors ⓘ meeting place of the House of Representatives ⓘ seat of the National Diet of Japan ⓘ
hasDome	no ⓘ
hasPart	House of Councillors chamber ⓘ House of Representatives chamber ⓘ central entrance ⓘ central hall ⓘ central tower ⓘ north wing ⓘ south wing ⓘ
hasTower	yes ⓘ
height	about 65 meters ⓘ
heritageStatus	Registered Tangible Cultural Property of Japan ⓘ
inaugurationDate	1936 ⓘ
locatedIn	Chiyoda ⓘ Honshu ⓘ Japan ⓘ Nagatachō ⓘ linked to: Chiyoda Tokyo ⓘ Tokyo Metropolis ⓘ linked to: Tokyo
maintainedBy	Japanese government ⓘ linked to: Government of Japan
materialUsed	granite ⓘ reinforced concrete ⓘ
nearby	Kasumigaseki government district ⓘ linked to: Chiyoda Prime Minister’s Official Residence ⓘ linked to: Official Residence of the Prime Minister of Japan Supreme Court of Japan ⓘ
numberOfChambers	2 ⓘ
occupant	House of Councillors of Japan ⓘ linked to: House of Councillors House of Representatives of Japan ⓘ National Diet of Japan ⓘ linked to: National Diet
opened	November 7, 1936 ⓘ
ownedBy	Government of Japan ⓘ
precededBy	wooden Imperial Diet buildings ⓘ
publicAccess	guided tours available ⓘ
replaced	former Imperial Diet buildings ⓘ
significance	iconic landmark of Tokyo ⓘ symbol of Japan’s national legislature ⓘ

How these facts were elicited

Referenced by (68)

Full triples — surface form annotated when it differs from this entity's canonical label.

National Diet → meetingPlace → National Diet Building ⓘ

The Diet → meetsIn → National Diet Building ⓘ

House of Councillors → meetsIn → National Diet Building ⓘ

Official Residence of the Prime Minister of Japan → near → National Diet Building ⓘ

Tokyo Imperial Palace → near → National Diet Building ⓘ

House of Representatives of Japan → meetsIn → National Diet Building ⓘ

House of Representatives (Japan) → meetsAt → National Diet Building ⓘ

subject linked to: House of Representatives

Grand Bench → buildingOverlooks → National Diet Building ⓘ

President of the House of Councillors → seat → National Diet Building ⓘ

Supreme Court of Japan Building → near → National Diet Building ⓘ

Nagatachō → contains → National Diet Building ⓘ

subject linked to: Nagatachō, Tokyo, Japan

House of Peers → meetsIn → National Diet Building ⓘ

Vice-President of the House of Councillors → seat → National Diet Building ⓘ

Chiyoda, Tokyo, Japan → contains → National Diet Building ⓘ

Imperial Diet → meetsIn → National Diet Building ⓘ

Imperial Diet → architecturalSymbol → National Diet Building in Tokyo ⓘ

linked to: National Diet Building

Chiyoda → contains → National Diet Building ⓘ

House of Councillors chamber → locatedIn → National Diet Building ⓘ

Speaker of the House of Representatives of Japan → seat → National Diet Building ⓘ

Imperial Crown Style (National Diet Building) → appliesTo → National Diet Building ⓘ

Imperial Crown Style (National Diet Building) → notableExample → National Diet Building ⓘ

Vice Speaker of the House of Representatives (Japan) → officeLocation → National Diet Building, Tokyo ⓘ

subject linked to: Vice Speaker of the House of Representatives

linked to: National Diet Building

Prime Minister's Office of Japan → adjacentTo → National Diet Building ⓘ

Wada Masakazu → notableWork → National Diet Building ⓘ

Takeuchi Shinichiro → notableWork → National Diet Building ⓘ

Takeuchi Shinichiro → architectOf → National Diet Building ⓘ

Muraji Shimomura → notableWork → National Diet Building ⓘ

Sangiin → meetsIn → National Diet Building ⓘ

LDP parliamentary caucus → meetsAt → National Diet Building ⓘ

LDP Policy Research Council Chair → locatedIn → National Diet Building ⓘ

Shūgiin → meetsIn → National Diet Building ⓘ

Kōkyo → near → National Diet Building ⓘ

central Tokyo → hasLandmark → National Diet Building ⓘ

Member of the House of Representatives of Japan → officeLocation → National Diet Building ⓘ

Tokyo Metro Yurakucho Line at Nagatacho → near → National Diet Building area ⓘ

linked to: National Diet Building

Kizoku-in → meetsIn → National Diet Building (Tokyo) ⓘ

linked to: National Diet Building

Kasumigaseki → near → National Diet Building ⓘ

Hie Shrine → locatedNear → National Diet Building ⓘ

extraordinary sessions of the National Diet → location → National Diet Building ⓘ

Diet of Japan → meetsIn → National Diet Building ⓘ

Ichirō Hatoyama → workLocation → National Diet Building ⓘ

House of Representatives Committee on Rules and Administration → meetsIn → National Diet Building ⓘ

House of Representatives Committee on Judicial Affairs → meetsAt → National Diet Building, Tokyo ⓘ

linked to: National Diet Building

Teikoku Gikai → seat → National Diet Building (from 1936) ⓘ

linked to: National Diet Building

Cherry Field Gate → near → National Diet Building ⓘ

Vice Speaker of the House of Representatives of Japan → seat → National Diet Building ⓘ

House of Representatives Secretariat → locatedIn → National Diet Building ⓘ

Nagatachō → contains → National Diet Building ⓘ

subject linked to: Nagatachō district

Nagatachō Station → nearbyLandmark → National Diet Building ⓘ

Kokkai-gijidō-mae Station → near → National Diet Building ⓘ

All labels observed (6)

How this entity was disambiguated Show

Statements (49)

How these facts were elicited Show

Referenced by (68)

How this entity was disambiguated

How these facts were elicited