City Hall
E724594
City Hall is the grand Beaux-Arts style civic building in San Francisco that houses the city's government offices and is known for its impressive dome and historic significance.
All labels observed (1)
| Label | Occurrences |
|---|---|
| City Hall canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8301049 — 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: City Hall Context triple: [San Francisco, hasLandmark, City Hall]
-
A.
City Hall
City Hall is the historic and architecturally grand municipal government building of Philadelphia, renowned for its elaborate Second Empire style and the statue of William Penn atop its tower.
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B.
City Hall
City Hall is the distinctive glass building on the south bank of the River Thames that served as the headquarters of the Greater London Authority and the office of the Mayor of London.
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C.
City Hall
City Hall is a 1996 American political drama film set in New York City, starring Al Pacino and John Cusack, that explores corruption and moral ambiguity in urban government.
-
D.
Town Hall
Town Hall is a historic civic building in Berwick-upon-Tweed that has long served as a center for local government and community events.
-
E.
Jackson City Hall
Jackson City Hall is the primary municipal government building in Jackson, serving as the central location for city administration and public meetings.
- 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: City Hall Target entity description: City Hall is the grand Beaux-Arts style civic building in San Francisco that houses the city's government offices and is known for its impressive dome and historic significance.
-
A.
City Hall
City Hall is the distinctive glass building on the south bank of the River Thames that served as the headquarters of the Greater London Authority and the office of the Mayor of London.
-
B.
City Hall
City Hall is the historic and architecturally grand municipal government building of Philadelphia, renowned for its elaborate Second Empire style and the statue of William Penn atop its tower.
-
C.
City Hall
City Hall is a 1996 American political drama film set in New York City, starring Al Pacino and John Cusack, that explores corruption and moral ambiguity in urban government.
-
D.
Town Hall
Town Hall is a historic civic building in Berwick-upon-Tweed that has long served as a center for local government and community events.
-
E.
Jackson City Hall
Jackson City Hall is the primary municipal government building in Jackson, serving as the central location for city administration and public meetings.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Beaux-Arts architecture
ⓘ
city hall ⓘ |
| architect |
Arthur Brown Jr.
ⓘ
John Bakewell Jr. ⓘ |
| architecturalStyle | Beaux-Arts ⓘ |
| category |
Buildings and structures in San Francisco
ⓘ
Seats of local government in California ⓘ |
| completionDate | 1915 ⓘ |
| constructionStart | 1913 ⓘ |
| coordinates | 37.7793°N 122.4192°W ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| destroyedPredecessor | 1906 San Francisco earthquake ⓘ |
| domeHeight | about 93 meters ⓘ |
| domeType | ornate classical dome ⓘ |
| floorCount | 4 ⓘ |
| function | seat of government of the City and County of San Francisco ⓘ |
| hasPart |
Board of Supervisors chamber
ⓘ
City Attorney’s Office ⓘ City Clerk’s Office ⓘ Mayor’s Office ⓘ dome ⓘ grand staircase ⓘ rotunda ⓘ |
| height | about 93 meters ⓘ |
| heritageStatus | listed on the National Register of Historic Places ⓘ |
| houses |
Office of the Mayor of San Francisco
ⓘ
San Francisco Board of Supervisors ⓘ various municipal offices ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
Civic Center, San Francisco ⓘ San Francisco ⓘ |
| material |
granite
ⓘ
sandstone ⓘ |
| notableFor |
grand ceremonial spaces
ⓘ
historic civic events ⓘ large Beaux-Arts dome ⓘ |
| NRHPListingDate | 1978 ⓘ |
| openingDate | December 28, 1915 ⓘ |
| ownedBy |
City and County of San Francisco
ⓘ
linked to:
San Francisco County
|
| renovation | seismic retrofit ⓘ |
| renovationCompletionDate | 1999 ⓘ |
| replaced |
Old San Francisco City Hall
ⓘ
linked to:
San Francisco City Hall
|
| significantEvent |
assassination of Mayor George Moscone
ⓘ
assassination of Supervisor Harvey Milk ⓘ |
| significantEventDate | November 27, 1978 ⓘ |
| usedFor |
civic celebrations
ⓘ
civil marriage ceremonies ⓘ political demonstrations ⓘ public tours ⓘ |
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: City Hall Description of subject: City Hall is the grand Beaux-Arts style civic building in San Francisco that houses the city's government offices and is known for its impressive dome and historic significance.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
San Francisco (via Wikimedia Foundation)