San Francisco Peninsula
E21323
The San Francisco Peninsula is the stretch of land in Northern California that separates the Pacific Ocean from the San Francisco Bay and hosts cities such as San Francisco, San Mateo, and Palo Alto.
All labels observed (12)
How this entity was disambiguated
This entity first appeared as the object of triple T30763 — 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 Peninsula Context triple: [El Camino Real, passesThrough, San Francisco Peninsula]
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A.
San Francisco Bay Area
The San Francisco Bay Area is a major metropolitan region in Northern California known for its technology industry, cultural diversity, and iconic landmarks such as the Golden Gate Bridge.
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B.
Monterey Bay region
The Monterey Bay region is a coastal area of central California known for its marine biodiversity, scenic shoreline, and communities such as Monterey, Santa Cruz, and surrounding towns.
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C.
South Bay
South Bay is the southern region of the San Francisco Bay Area, known for encompassing much of Silicon Valley and several major tech-centric cities.
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D.
Northern California
Northern California is the northern portion of the U.S. state of California, known for its diverse landscapes, technology hubs like Silicon Valley, and major cities such as San Francisco and Sacramento.
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E.
Marin County
Marin County is a coastal county in the San Francisco Bay Area known for its affluent communities, scenic landscapes, and landmarks like the Marin Headlands and Mount Tamalpais.
- 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 Peninsula Target entity description: The San Francisco Peninsula is the stretch of land in Northern California that separates the Pacific Ocean from the San Francisco Bay and hosts cities such as San Francisco, San Mateo, and Palo Alto.
-
A.
San Francisco Bay Area
The San Francisco Bay Area is a major metropolitan region in Northern California known for its technology industry, cultural diversity, and iconic landmarks such as the Golden Gate Bridge.
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B.
Monterey Bay region
The Monterey Bay region is a coastal area of central California known for its marine biodiversity, scenic shoreline, and communities such as Monterey, Santa Cruz, and surrounding towns.
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C.
South Bay
South Bay is the southern region of the San Francisco Bay Area, known for encompassing much of Silicon Valley and several major tech-centric cities.
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D.
Northern California
Northern California is the northern portion of the U.S. state of California, known for its diverse landscapes, technology hubs like Silicon Valley, and major cities such as San Francisco and Sacramento.
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E.
Marin County
Marin County is a coastal county in the San Francisco Bay Area known for its affluent communities, scenic landscapes, and landmarks like the Marin Headlands and Mount Tamalpais.
- F. None of above. chosen
Statements (48)
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 Peninsula Description of subject: The San Francisco Peninsula is the stretch of land in Northern California that separates the Pacific Ocean from the San Francisco Bay and hosts cities such as San Francisco, San Mateo, and Palo Alto.
Referenced by (129)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Peninsula (San Francisco Bay Area)
this entity surface form:
San Mateo Peninsula
this entity surface form:
San Mateo County coast
this entity surface form:
San Francisco Peninsula Costanoan