Castle Hill, California
E112030
Castle Hill, California is a small unincorporated community and residential area in Contra Costa County in the San Francisco Bay Area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Castle Hill, California canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T797829 — 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: Castle Hill, California Context triple: [Contra Costa County, hasMajorCity, Castle Hill, California]
-
A.
Rosamond, California
Rosamond, California is a small Mojave Desert community in Kern County known for its proximity to major aerospace and military testing facilities.
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B.
Vine Hill, California
Vine Hill, California is a small unincorporated community in Contra Costa County known primarily as a residential area near the city of Martinez in the San Francisco Bay Area.
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C.
Woodside, California
Woodside, California is an affluent, semi-rural town on the San Francisco Peninsula known for its large estates, equestrian culture, and proximity to Silicon Valley.
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D.
Tara Hills, California
Tara Hills, California is a small unincorporated suburban community in the San Francisco Bay Area’s East Bay region.
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E.
Hawthorne, California
Hawthorne, California is a city in southwestern Los Angeles County known for hosting major aerospace and technology companies, including SpaceX’s headquarters.
- 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: Castle Hill, California Target entity description: Castle Hill, California is a small unincorporated community and residential area in Contra Costa County in the San Francisco Bay Area.
-
A.
Rosamond, California
Rosamond, California is a small Mojave Desert community in Kern County known for its proximity to major aerospace and military testing facilities.
-
B.
Vine Hill, California
Vine Hill, California is a small unincorporated community in Contra Costa County known primarily as a residential area near the city of Martinez in the San Francisco Bay Area.
-
C.
Woodside, California
Woodside, California is an affluent, semi-rural town on the San Francisco Peninsula known for its large estates, equestrian culture, and proximity to Silicon Valley.
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D.
Tara Hills, California
Tara Hills, California is a small unincorporated suburban community in the San Francisco Bay Area’s East Bay region.
-
E.
Hawthorne, California
Hawthorne, California is a city in southwestern Los Angeles County known for hosting major aerospace and technology companies, including SpaceX’s headquarters.
- F. None of above. chosen
Statements (29)
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: Castle Hill, California Description of subject: Castle Hill, California is a small unincorporated community and residential area in Contra Costa County in the San Francisco Bay Area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.