U.S. Custom House, San Francisco
E547528
The U.S. Custom House in San Francisco is a historic federal building and former customs facility notable for its 19th-century architecture and role in the city’s maritime and commercial history.
All labels observed (2)
| Label | Occurrences |
|---|---|
| U.S. Custom House, San Francisco canonical | 1 |
| U.S. Custom House, San Francisco, California | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5808253 — 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: U.S. Custom House, San Francisco Context triple: [Ammi B. Young, designed, U.S. Custom House, San Francisco]
-
A.
San Francisco Federal Building
The San Francisco Federal Building is a prominent contemporary government office tower in San Francisco known for its unconventional, energy-efficient design by architect Thom Mayne.
-
B.
Old Federal Reserve Bank of San Francisco Building
The Old Federal Reserve Bank of San Francisco Building is a historic Beaux-Arts former central bank headquarters in San Francisco’s Financial District, now repurposed for commercial and office use.
-
C.
United States Custom House
The United States Custom House is a historic federal building in New York City that once served as the primary customs collection point for the bustling port, reflecting the city’s central role in American trade and finance.
-
D.
San Francisco City Hall
San Francisco City Hall is a historic Beaux-Arts landmark in the city’s Civic Center, serving as the seat of government and a prominent architectural symbol of San Francisco.
-
E.
Fort Point (San Francisco)
Fort Point (San Francisco) is a 19th-century brick masonry coastal fortification built to guard the Golden Gate strait, now preserved as a historic site beneath the Golden Gate Bridge.
- 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: U.S. Custom House, San Francisco Target entity description: The U.S. Custom House in San Francisco is a historic federal building and former customs facility notable for its 19th-century architecture and role in the city’s maritime and commercial history.
-
A.
San Francisco Federal Building
The San Francisco Federal Building is a prominent contemporary government office tower in San Francisco known for its unconventional, energy-efficient design by architect Thom Mayne.
-
B.
Old Federal Reserve Bank of San Francisco Building
The Old Federal Reserve Bank of San Francisco Building is a historic Beaux-Arts former central bank headquarters in San Francisco’s Financial District, now repurposed for commercial and office use.
-
C.
United States Custom House
The United States Custom House is a historic federal building in New York City that once served as the primary customs collection point for the bustling port, reflecting the city’s central role in American trade and finance.
-
D.
San Francisco City Hall
San Francisco City Hall is a historic Beaux-Arts landmark in the city’s Civic Center, serving as the seat of government and a prominent architectural symbol of San Francisco.
-
E.
Fort Point (San Francisco)
Fort Point (San Francisco) is a 19th-century brick masonry coastal fortification built to guard the Golden Gate strait, now preserved as a historic site beneath the Golden Gate Bridge.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
custom house
ⓘ
government building ⓘ historic federal building ⓘ |
| architecturalStyle | 19th-century architecture ⓘ |
| buildingType |
customs house
ⓘ
office ⓘ |
| category |
Custom houses in the United States
ⓘ
Government buildings in San Francisco ⓘ Historic buildings in California ⓘ |
| continent | North America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| function |
collection of customs duties
ⓘ
processing of exports ⓘ processing of imports ⓘ |
| governingBody | United States government ⓘ |
| hasArchitecturalFeature |
formal symmetrical façade
ⓘ
monumental entrance ⓘ ornamental detailing typical of 19th-century public buildings ⓘ |
| hasConstructionMaterial |
brick
ⓘ
masonry ⓘ stone ⓘ |
| hasCulturalSignificance |
landmark of San Francisco’s maritime history
ⓘ
symbol of federal presence in San Francisco ⓘ |
| hasFunction |
administrative offices
ⓘ
housing federal agencies ⓘ |
| hasHistoricalPeriod | 19th century ⓘ |
| hasHistoricalUse |
customs administration
ⓘ
federal offices ⓘ |
| hasLegalStatus | federal property ⓘ |
| heritageDesignation | historic building ⓘ |
| isPartOfHistoryOf |
Port of San Francisco
ⓘ
United States maritime trade ⓘ
linked to:
United States maritime industry
commercial development of San Francisco ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
San Francisco ⓘ United States ⓘ
linked to:
United States of America
|
| locatedInAdministrativeTerritorialEntity |
City and County of San Francisco
ⓘ
linked to:
San Francisco County
|
| locatedInTimeZone | Pacific Time Zone ⓘ |
| locatedInUrbanArea |
downtown San Francisco
ⓘ
linked to:
Downtown San Francisco
|
| locatedNear | San Francisco waterfront ⓘ |
| maintainedBy | U.S. General Services Administration ⓘ |
| owner |
United States federal government
ⓘ
linked to:
United States government
|
| partOf |
United States customs service facilities
ⓘ
linked to:
United States Customs Service
|
| publicAccess | restricted ⓘ |
| significantEvent |
development of San Francisco commercial history
ⓘ
development of San Francisco maritime trade ⓘ |
| use |
customs facility
ⓘ
office building ⓘ |
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: U.S. Custom House, San Francisco Description of subject: The U.S. Custom House in San Francisco is a historic federal building and former customs facility notable for its 19th-century architecture and role in the city’s maritime and commercial history.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: U.S. Custom House, San Francisco