San Francisco
E242
San Francisco is a major coastal city in Northern California known for its hilly landscape, iconic Golden Gate Bridge, and role as a historic center of technology and counterculture.
All labels observed (12)
How this entity was disambiguated
This entity first appeared as the object of triple T1289 — 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 Context triple: [oN-Line System, demonstrationLocation, San Francisco]
-
A.
New York City
New York City is the largest city in the United States, a global center of finance, culture, media, and technology.
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B.
Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
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C.
Portland, Oregon, United States
Portland, Oregon, United States is a major Pacific Northwest city known for its vibrant arts scene, progressive culture, and lush natural surroundings.
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D.
Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
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E.
California, United States
California, United States is a large and populous U.S. state on the West Coast known for its diverse geography, major technology and entertainment industries, and cultural and economic influence.
- 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 Target entity description: San Francisco is a major coastal city in Northern California known for its hilly landscape, iconic Golden Gate Bridge, and role as a historic center of technology and counterculture.
-
A.
New York City
New York City is the largest city in the United States, a global center of finance, culture, media, and technology.
-
B.
Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
-
C.
Philadelphia
Philadelphia is a major historic U.S. city in Pennsylvania known for its role in the American Revolution, iconic landmarks like Independence Hall and the Liberty Bell, and its rich cultural and academic institutions.
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D.
Portland, Oregon, United States
Portland, Oregon, United States is a major Pacific Northwest city known for its vibrant arts scene, progressive culture, and lush natural surroundings.
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E.
Delano
Delano is the middle name of Franklin D. Roosevelt, the 32nd president of the United States.
- F. None of above. chosen
Statements (51)
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 Description of subject: San Francisco is a major coastal city in Northern California known for its hilly landscape, iconic Golden Gate Bridge, and role as a historic center of technology and counterculture.
Referenced by (2,585)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Clyde Healy
this entity surface form:
City of San Francisco
subject surface form:
Green Street (San Francisco)
subject surface form:
Green Street (San Francisco)
subject surface form:
Andrew Smith Hallidie
subject surface form:
Union Street (San Francisco)
this entity surface form:
San Francisco, California, United States
subject surface form:
Panama–Pacific International Exposition
this entity surface form:
City of San Francisco