East Bay
E45120
East Bay is a region of the San Francisco Bay Area in Northern California, encompassing cities such as Oakland and Berkeley along the eastern shore of the bay.
All labels observed (29)
How this entity was disambiguated
This entity first appeared as the object of triple T255573 — 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: East Bay Context triple: [Oakland, partOf, East Bay]
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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.
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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C.
San Francisco Peninsula
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.
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D.
Northeast San Francisco
Northeast San Francisco is a dense, historic section of San Francisco that includes major neighborhoods such as Chinatown, North Beach, and the Financial District, known for their cultural landmarks, tourism, and waterfront access.
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E.
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.
- 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: East Bay Target entity description: East Bay is a region of the San Francisco Bay Area in Northern California, encompassing cities such as Oakland and Berkeley along the eastern shore of the bay.
-
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.
-
B.
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.
-
C.
San Francisco Peninsula
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.
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D.
Northeast San Francisco
Northeast San Francisco is a dense, historic section of San Francisco that includes major neighborhoods such as Chinatown, North Beach, and the Financial District, known for their cultural landmarks, tourism, and waterfront access.
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E.
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.
- F. None of above. chosen
Statements (50)
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: East Bay Description of subject: East Bay is a region of the San Francisco Bay Area in Northern California, encompassing cities such as Oakland and Berkeley along the eastern shore of the bay.
Referenced by (213)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Altamont Corridor Express
this entity surface form:
San Francisco–Oakland–Berkeley, CA Metropolitan Statistical Area
this entity surface form:
East Bay, California
this entity surface form:
East Bay, California
subject surface form:
Montclair, Oakland
this entity surface form:
East Bay region
this entity surface form:
East Bay region of the San Francisco Bay Area
subject surface form:
Union City, California
subject surface form:
Concord, California
this entity surface form:
East Bay region of San Francisco Bay Area
subject surface form:
Lafayette, California
subject surface form:
Lafayette, California
this entity surface form:
Lamorinda area
this entity surface form:
East Bay region
this entity surface form:
Berkeley and Oakland from the inland valleys of Contra Costa County