Mountain View, California, United States
E136669
Mountain View, California, United States is a Silicon Valley city known as a major technology hub and home to numerous high-profile tech companies.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T264688 — 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, California, United States Context triple: [LinkedIn, previousHeadquartersLocation, Mountain View, California, United States]
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A.
Santa Clara, California, United States
Santa Clara is a major city in California’s Silicon Valley known for its concentration of high-tech companies, including serving as a key hub for the technology industry in the United States.
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B.
Menlo Park, California
Menlo Park, California is a city in Silicon Valley known as a hub for technology and venture capital, home to major research institutions and tech companies.
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C.
Mountain View, Contra Costa County, California
Mountain View is a small unincorporated community located in Contra Costa County in the San Francisco Bay Area of California.
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D.
Palo Alto, California
Palo Alto, California is a major Silicon Valley city known for its role as a global technology and innovation hub and as the home of Stanford University.
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E.
San Bruno, California, United States
San Bruno is a small city in San Mateo County, California, best known in recent years as the home of YouTube’s corporate 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, California, United States Target entity description: Mountain View, California, United States is a Silicon Valley city known as a major technology hub and home to numerous high-profile tech companies.
-
A.
Santa Clara, California, United States
Santa Clara is a major city in California’s Silicon Valley known for its concentration of high-tech companies, including serving as a key hub for the technology industry in the United States.
-
B.
Menlo Park, California
Menlo Park, California is a city in Silicon Valley known as a hub for technology and venture capital, home to major research institutions and tech companies.
-
C.
Mountain View, Contra Costa County, California
Mountain View is a small unincorporated community located in Contra Costa County in the San Francisco Bay Area of California.
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D.
Palo Alto, California
Palo Alto, California is a major Silicon Valley city known for its role as a global technology and innovation hub and as the home of Stanford University.
-
E.
San Bruno, California, United States
San Bruno is a small city in San Mateo County, California, best known in recent years as the home of YouTube’s corporate headquarters.
- F. None of above. chosen
Statements (51)
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, California, United States Description of subject: Mountain View, California, United States is a Silicon Valley city known as a major technology hub and home to numerous high-profile tech companies.
Referenced by (103)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Mountain View California United States
this entity surface form:
Mountain View, California
this entity surface form:
Mountain View, California