Mountain View
E661885
Mountain View is a small unincorporated community in Contra Costa County, California, located in the San Francisco Bay Area.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mountain View canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4414795 — 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: Mountain View Context triple: [Mountain View, Contra Costa County, California, hasName, Mountain View]
-
A.
Mountain View
Mountain View is a Silicon Valley city in Northern California best known as a major technology hub and the home of companies like Google.
-
B.
Sunnyvale
Sunnyvale is a major Silicon Valley city in Northern California known for its high-tech industry presence and suburban residential communities.
-
C.
Sunnyvale
Sunnyvale is a suburban town in the Dallas–Fort Worth metropolitan area known for its residential character and proximity to Dallas, Texas.
-
D.
Los Altos Hills
Los Altos Hills is an affluent, primarily residential town in Northern California known for its large lots, rural character, and scenic views in the San Francisco Bay Area.
-
E.
San Bruno
San Bruno is a small city in San Mateo County, California, located just south of San Francisco and known for its proximity to San Francisco International Airport and the YouTube 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: Mountain View Target entity description: Mountain View is a small unincorporated community in Contra Costa County, California, located in the San Francisco Bay Area.
-
A.
Mountain View
Mountain View is a Silicon Valley city in Northern California best known as a major technology hub and the home of companies like Google.
-
B.
Sunnyvale
Sunnyvale is a suburban town in the Dallas–Fort Worth metropolitan area known for its residential character and proximity to Dallas, Texas.
-
C.
Sunnyvale
Sunnyvale is a major Silicon Valley city in Northern California known for its high-tech industry presence and suburban residential communities.
-
D.
Los Altos Hills
Los Altos Hills is an affluent, primarily residential town in Northern California known for its large lots, rural character, and scenic views in the San Francisco Bay Area.
-
E.
San Bruno
San Bruno is a small city in San Mateo County, California, located just south of San Francisco and known for its proximity to San Francisco International Airport and the YouTube headquarters.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | unincorporated community ⓘ |
| climateRegion | Mediterranean climate region of California ⓘ |
| continent | North America ⓘ |
| country | United States of America ⓘ |
| countrySubdivision | State of California NERFINISHED ⓘ |
| county | Contra Costa County NERFINISHED ⓘ |
| governedBy | Contra Costa County government NERFINISHED ⓘ |
| hasCharacteristic |
small community
ⓘ
unincorporated area ⓘ |
| hasName | Mountain View NERFINISHED ⓘ |
| hasSettlementType | unincorporated community ⓘ |
| isIn | United States West Coast ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Contra Costa County, California NERFINISHED ⓘ San Francisco Bay Area ⓘ |
| locatedInMetropolitanArea | San Francisco Bay Area ⓘ |
| locatedInRegion | Northern California ⓘ |
| locatedInTimeZone |
Pacific Time Zone
ⓘ
UTC−08:00 ⓘ |
| locatedInTimeZoneDST | UTC−07:00 ⓘ |
| locatedNear | San Francisco Bay NERFINISHED ⓘ |
| partOf |
Contra Costa County, California
NERFINISHED
ⓘ
San Francisco Bay Area ⓘ State of California NERFINISHED ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
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: Mountain View Description of subject: Mountain View is a small unincorporated community in Contra Costa County, California, located in the San Francisco Bay Area.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.