Pleasanton, California
E217503
Pleasanton, California is a suburban city in the San Francisco Bay Area known for its affluent residential communities, strong tech and business presence, and highly rated schools.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Pleasanton, California canonical | 18 |
| Pleasanton, California, United States | 7 |
| Pleasanton | 6 |
| City of Pleasanton | 1 |
| City of Pleasanton, California | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1008984 — 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: Pleasanton, California Context triple: [PeopleSoft, headquartersLocation, Pleasanton, California]
-
A.
El Sobrante, California
El Sobrante, California is an unincorporated suburban community in the San Francisco Bay Area known for its residential neighborhoods and proximity to Richmond and other East Bay cities.
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B.
Sunnyvale
Sunnyvale is a major Silicon Valley city in Northern California known for its high-tech industry presence and suburban residential communities.
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C.
Sunnyvale
Sunnyvale is a suburban town in the Dallas–Fort Worth metropolitan area known for its residential character and proximity to Dallas, Texas.
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D.
Walnut Creek, California
Walnut Creek, California is a suburban city in the East Bay region of the San Francisco Bay Area known for its affluent residential neighborhoods, vibrant downtown, and role as a regional commercial and cultural hub.
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E.
Burlingame
Burlingame is a suburban city on the San Francisco Peninsula in California, known for its affluent residential neighborhoods, proximity to San Francisco International Airport, and historic commercial corridor along El Camino Real.
- 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: Pleasanton, California Target entity description: Pleasanton, California is a suburban city in the San Francisco Bay Area known for its affluent residential communities, strong tech and business presence, and highly rated schools.
-
A.
El Sobrante, California
El Sobrante, California is an unincorporated suburban community in the San Francisco Bay Area known for its residential neighborhoods and proximity to Richmond and other East Bay cities.
-
B.
San Ramon, California
San Ramon, California is a suburban city in the San Francisco Bay Area known for its corporate business parks, including the headquarters of Chevron and 24 Hour Fitness, and its location in the San Ramon Valley.
-
C.
Sunnyvale
Sunnyvale is a major Silicon Valley city in Northern California known for its high-tech industry presence and suburban residential communities.
-
D.
Sunnyvale
Sunnyvale is a suburban town in the Dallas–Fort Worth metropolitan area known for its residential character and proximity to Dallas, Texas.
-
E.
Walnut Creek, California
Walnut Creek, California is a suburban city in the East Bay region of the San Francisco Bay Area known for its affluent residential neighborhoods, vibrant downtown, and role as a regional commercial and cultural hub.
- F. None of above. chosen
Statements (54)
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: Pleasanton, California Description of subject: Pleasanton, California is a suburban city in the San Francisco Bay Area known for its affluent residential communities, strong tech and business presence, and highly rated schools.
Referenced by (33)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pleasanton
subject surface form:
Dublin, California
this entity surface form:
Pleasanton
this entity surface form:
Pleasanton, California, United States
this entity surface form:
Pleasanton, California, United States
this entity surface form:
Pleasanton
this entity surface form:
City of Pleasanton, California
this entity surface form:
Pleasanton, California, United States
this entity surface form:
Pleasanton, California, United States
this entity surface form:
Pleasanton
subject surface form:
Dublin/Pleasanton station
subject surface form:
Dublin/Pleasanton station
this entity surface form:
Pleasanton, California, United States
this entity surface form:
Pleasanton, California, United States
this entity surface form:
City of Pleasanton
this entity surface form:
Pleasanton, California, United States
subject surface form:
Fremont, California
this entity surface form:
Pleasanton