Los Altos
E34525
Los Altos is an affluent residential city in California’s San Francisco Bay Area, known for its quiet suburban character and proximity to major Silicon Valley tech hubs.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Los Altos canonical | 14 |
| Los Altos, California | 2 |
| City of Los Altos | 1 |
| City of Los Altos, California | 1 |
| Los Altos downtown | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T22237 — 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: Los Altos Context triple: [Silicon Valley, contains, Los Altos]
-
A.
Sunnyvale
Sunnyvale is a major Silicon Valley city in Northern California known for its high-tech industry presence and suburban residential communities.
-
B.
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.
-
C.
Santa Clara
Santa Clara is a Silicon Valley city in California known for its high-tech industry presence, Levi’s Stadium, and Santa Clara University.
-
D.
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.
-
E.
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.
- 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: Los Altos Target entity description: Los Altos is an affluent residential city in California’s San Francisco Bay Area, known for its quiet suburban character and proximity to major Silicon Valley tech hubs.
-
A.
Sunnyvale
Sunnyvale is a major Silicon Valley city in Northern California known for its high-tech industry presence and suburban residential communities.
-
B.
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.
-
C.
Santa Clara
Santa Clara is a Silicon Valley city in California known for its high-tech industry presence, Levi’s Stadium, and Santa Clara University.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
city
ⓘ
municipality ⓘ |
| adjacentTo |
Cupertino
ⓘ
Los Altos Hills ⓘ Mountain View ⓘ Palo Alto, California ⓘ
surface form:
Palo Alto
Sunnyvale ⓘ |
| areaCode | 650 ⓘ |
| characteristic |
affluent
ⓘ
primarily residential ⓘ suburban ⓘ |
| climate | Mediterranean climate ⓘ |
| continent | North America ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| countySeatOf | none ⓘ |
| elevation | 52 m ⓘ |
| governmentType | council–manager government ⓘ |
| hasFeature |
downtown commercial core along Main and State Streets
ⓘ
numerous parks and open spaces ⓘ |
| hasSchoolDistrict |
Los Altos School District
ⓘ
Mountain View–Los Altos Union High School District ⓘ |
| incorporationDate | 1952-12-01 ⓘ |
| knownFor |
high property values
ⓘ
quiet residential neighborhoods ⓘ small downtown village area ⓘ tree-lined streets ⓘ |
| language | English (de facto) ⓘ |
| locatedIn |
San Francisco Bay Area
ⓘ
Santa Clara County ⓘ Silicon Valley ⓘ |
| near |
Stanford University
ⓘ
major Silicon Valley tech campuses ⓘ |
| officialWebsite | https://www.losaltosca.gov/ ⓘ |
| partOf |
Santa Clara Valley
ⓘ
surface form:
San Jose–Sunnyvale–Santa Clara metropolitan area
|
| populationCharacteristic |
high median household income
ⓘ
predominantly single-family homes ⓘ |
| postalCodePrefix |
94022
ⓘ
94024 ⓘ |
| region | South Bay ⓘ |
| settlementType | residential city ⓘ |
| state |
California, United States
ⓘ
surface form:
California
|
| timezone | Pacific Time Zone ⓘ |
| timezoneDST |
Pacific Time Zone
ⓘ
surface form:
Pacific Daylight Time
|
| transportation |
near Interstate 280
ⓘ
near U.S. Route 101 ⓘ served primarily by local roads ⓘ |
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: Los Altos Description of subject: Los Altos is an affluent residential city in California’s San Francisco Bay Area, known for its quiet suburban character and proximity to major Silicon Valley tech hubs.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Los Altos, California
this entity surface form:
Los Altos, California
subject surface form:
Andrew S. Grove
this entity surface form:
City of Los Altos
this entity surface form:
Los Altos downtown
this entity surface form:
City of Los Altos, California