Piedmont, California
E675245
Piedmont, California is a small, affluent residential city entirely surrounded by Oakland in the San Francisco Bay Area.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Piedmont, California canonical | 24 |
| City of Piedmont, California | 2 |
| Piedmont, California, United States | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7583626 — 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: Piedmont, California Context triple: [Key System Transit Lines, serves, Piedmont, California]
-
A.
Pittsburg, California
Pittsburg, California is an industrial and residential city in the San Francisco Bay Area known for its waterfront location on the Sacramento–San Joaquin River Delta and its long history tied to manufacturing and shipping.
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B.
McKinleyville, California
McKinleyville, California is an unincorporated coastal community in Humboldt County known for its proximity to redwood forests, beaches, and serving as a regional residential and commercial hub in Northern California.
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C.
Pinole, California
Pinole, California is a small suburban city in the San Francisco Bay Area known for its residential neighborhoods, regional shopping centers, and access to shoreline recreation along San Pablo Bay.
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D.
Petaluma, California
Petaluma, California is a historic city in the North Bay region of the San Francisco Bay Area known for its well-preserved downtown, agricultural roots, and proximity to wine country.
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E.
Moraga, California
Moraga, California is a suburban town in the San Francisco Bay Area known for its residential character and as the home of Saint Mary's College of California.
- 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: Piedmont, California Target entity description: Piedmont, California is a small, affluent residential city entirely surrounded by Oakland in the San Francisco Bay Area.
-
A.
Pittsburg, California
Pittsburg, California is an industrial and residential city in the San Francisco Bay Area known for its waterfront location on the Sacramento–San Joaquin River Delta and its long history tied to manufacturing and shipping.
-
B.
McKinleyville, California
McKinleyville, California is an unincorporated coastal community in Humboldt County known for its proximity to redwood forests, beaches, and serving as a regional residential and commercial hub in Northern California.
-
C.
Pinole, California
Pinole, California is a small suburban city in the San Francisco Bay Area known for its residential neighborhoods, regional shopping centers, and access to shoreline recreation along San Pablo Bay.
-
D.
Petaluma, California
Petaluma, California is a historic city in the North Bay region of the San Francisco Bay Area known for its well-preserved downtown, agricultural roots, and proximity to wine country.
-
E.
Moraga, California
Moraga, California is a suburban town in the San Francisco Bay Area known for its residential character and as the home of Saint Mary's College of California.
- F. None of above. chosen
Statements (49)
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: Piedmont, California Description of subject: Piedmont, California is a small, affluent residential city entirely surrounded by Oakland in the San Francisco Bay Area.
Referenced by (28)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Piedmont, California
linked to: Piedmont, California
linked to: Piedmont, California
linked to: Piedmont, California
subject linked to:
Upper Rockridge neighborhood