San Francisco Public Library
E91062
The San Francisco Public Library is the city’s main public library system, providing free access to books, digital resources, and community programs through a central library and neighborhood branches.
All labels observed (8)
How this entity was disambiguated
This entity first appeared as the object of triple T773167 — 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: San Francisco Public Library Context triple: [Government of San Francisco, hasAgency, San Francisco Public Library]
-
A.
Los Angeles Public Library
The Los Angeles Public Library is the landmark central library of Los Angeles, renowned for its distinctive architecture, extensive collections, and role as a major cultural and educational hub for the city.
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B.
Menlo Park Library
Menlo Park Library is the main public library serving the city of Menlo Park, California, providing community access to books, media, programs, and educational resources.
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C.
Dewey Library
Dewey Library is a specialized library at the Massachusetts Institute of Technology focused on management, business, and social science resources.
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D.
Seattle Central Library
Seattle Central Library is a striking glass-and-steel public library building in downtown Seattle, renowned for its innovative architecture by Rem Koolhaas and its role as the flagship branch of the Seattle Public Library system.
-
E.
New York Public Library
The New York Public Library is one of the largest public library systems in the world, renowned for its extensive collections, iconic Beaux-Arts main branch in Manhattan, and role as a major cultural and research institution.
- 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: San Francisco Public Library Target entity description: The San Francisco Public Library is the city’s main public library system, providing free access to books, digital resources, and community programs through a central library and neighborhood branches.
-
A.
Los Angeles Public Library
The Los Angeles Public Library is the landmark central library of Los Angeles, renowned for its distinctive architecture, extensive collections, and role as a major cultural and educational hub for the city.
-
B.
Menlo Park Library
Menlo Park Library is the main public library serving the city of Menlo Park, California, providing community access to books, media, programs, and educational resources.
-
C.
Dewey Library
Dewey Library is a specialized library at the Massachusetts Institute of Technology focused on management, business, and social science resources.
-
D.
Seattle Central Library
Seattle Central Library is a striking glass-and-steel public library building in downtown Seattle, renowned for its innovative architecture by Rem Koolhaas and its role as the flagship branch of the Seattle Public Library system.
-
E.
New York Public Library
The New York Public Library is one of the largest public library systems in the world, renowned for its extensive collections, iconic Beaux-Arts main branch in Manhattan, and role as a major cultural and research institution.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
government agency
ⓘ
library system ⓘ public library system ⓘ |
| accessPolicy | open to the general public ⓘ |
| collectionType |
audio‑visual materials
ⓘ
digital materials ⓘ local history materials ⓘ periodicals ⓘ print materials ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| feePolicy | core services free of charge ⓘ |
| fundedBy |
municipal budget
ⓘ
public funds ⓘ |
| governingBody |
San Francisco County
ⓘ
surface form:
City and County of San Francisco
|
| hasBuilding |
San Francisco Public Library
self-linksurface differs
ⓘ
surface form:
San Francisco Main Library
|
| hasComponent |
Main Library
ⓘ
neighborhood branches ⓘ |
| hasService |
Wi‑Fi access
ⓘ
adult education programs ⓘ audiobook lending ⓘ children’s programs ⓘ community meeting spaces ⓘ cultural events ⓘ digital media lending ⓘ exhibitions ⓘ e‑book lending ⓘ lending services ⓘ literacy programs ⓘ online catalog ⓘ public computer access ⓘ reference services ⓘ research assistance ⓘ storytime programs ⓘ teen programs ⓘ |
| hasType | urban library system ⓘ |
| hasWebsite | https://sfpl.org/ ⓘ |
| language | English ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
San Francisco ⓘ |
| offers |
community programs
ⓘ
free access to books ⓘ free access to digital resources ⓘ |
| operatedBy |
San Francisco County
ⓘ
surface form:
City and County of San Francisco
|
| ownedBy |
San Francisco County
ⓘ
surface form:
City and County of San Francisco
|
| primaryClientele |
residents of San Francisco
ⓘ
visitors to San Francisco ⓘ |
| sector | public sector ⓘ |
| serves |
San Francisco County
ⓘ
surface form:
City and County of San Francisco
|
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: San Francisco Public Library Description of subject: The San Francisco Public Library is the city’s main public library system, providing free access to books, digital resources, and community programs through a central library and neighborhood branches.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
San Francisco Public Library Main Library
this entity surface form:
Hunters Point Library
this entity surface form:
San Francisco Main Public Library
this entity surface form:
San Francisco Main Public Library
San Francisco Public Library
→
hasBuilding
→
San Francisco Public Library
self-linksurface differs
ⓘ
this entity surface form:
San Francisco Main Library
this entity surface form:
former San Francisco Main Library building
this entity surface form:
San Francisco Main Library
this entity surface form:
San Francisco Main Library
subject surface form:
Civic Center/UN Plaza station
this entity surface form:
San Francisco Main Library
this entity surface form:
San Francisco Main Library
this entity surface form:
San Francisco Main Public Library
subject surface form:
Main Library (San Francisco Public Library)
subject surface form:
Main Library (San Francisco Public Library)
subject surface form:
Main Library (San Francisco Public Library)
this entity surface form:
Old Main Library (San Francisco)
subject surface form:
Main Library (San Francisco Public Library)
this entity surface form:
San Francisco History Center