South San Francisco Post Office
E550996
The South San Francisco Post Office is a historic U.S. postal facility in South San Francisco, California, notable for its New Deal–era murals and architectural character.
All labels observed (2)
| Label | Occurrences |
|---|---|
| South San Francisco Post Office canonical | 1 |
| United States Post Office in South San Francisco | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5856330 — 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: South San Francisco Post Office Context triple: [Murals at South San Francisco Post Office, location, South San Francisco Post Office]
-
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.
Menlo Park City Hall
Menlo Park City Hall is the main municipal government building of Menlo Park, California, housing city administrative offices and serving as the central venue for local civic affairs.
-
C.
Palo Alto City Hall
Palo Alto City Hall is the municipal government building and administrative center serving the city of Palo Alto, California.
-
D.
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.
-
E.
San Jose City Hall
San Jose City Hall is the modern civic center and government headquarters of San Jose, California, known for its distinctive glass rotunda and contemporary architectural design.
- 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: South San Francisco Post Office Target entity description: The South San Francisco Post Office is a historic U.S. postal facility in South San Francisco, California, notable for its New Deal–era murals and architectural character.
-
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.
Menlo Park City Hall
Menlo Park City Hall is the main municipal government building of Menlo Park, California, housing city administrative offices and serving as the central venue for local civic affairs.
-
C.
Palo Alto City Hall
Palo Alto City Hall is the municipal government building and administrative center serving the city of Palo Alto, California.
-
D.
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.
-
E.
San Jose City Hall
San Jose City Hall is the modern civic center and government headquarters of San Jose, California, known for its distinctive glass rotunda and contemporary architectural design.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
United States Post Office
ⓘ
post office building ⓘ |
| architecturalStyle | New Deal–era civic architecture ⓘ |
| category |
Buildings and structures in San Mateo County, California
ⓘ
New Deal art in California ⓘ Post office buildings in California ⓘ United States Post Office buildings ⓘ
linked to:
United States Post Office
|
| country |
United States
ⓘ
linked to:
United States of America
|
| hasArtwork | New Deal–era murals ⓘ |
| hasFunction |
mail distribution
ⓘ
post office boxes ⓘ postal retail services ⓘ |
| heritageDesignation | historic U.S. postal facility ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
San Mateo County, California ⓘ South San Francisco, California ⓘ
linked to:
South San Francisco
United States ⓘ
linked to:
United States of America
|
| locatedInTimeZone | Pacific Time Zone ⓘ |
| operator | United States Postal Service ⓘ |
| ownedBy | United States Postal Service ⓘ |
| partOf | New Deal public works legacy in California ⓘ |
| usedFor |
mailing letters and packages
ⓘ
postal money orders ⓘ stamps and postal products sales ⓘ |
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: South San Francisco Post Office Description of subject: The South San Francisco Post Office is a historic U.S. postal facility in South San Francisco, California, notable for its New Deal–era murals and architectural character.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
Murals at South San Francisco Post Office
→
commissionedFor
→
United States Post Office in South San Francisco
ⓘ
linked to: South San Francisco Post Office