San Ramon Valley
E445272
San Ramon Valley is a suburban region in Contra Costa County, California, known for its affluent communities, scenic rolling hills, and family-oriented residential areas east of the San Francisco Bay.
All labels observed (3)
| Label | Occurrences |
|---|---|
| San Ramon Valley canonical | 9 |
| Rancho San Ramon | 2 |
| San Ramon Valley, California | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4414838 — 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: San Ramon Valley Context triple: [Camino Tassajara, California, locatedIn, San Ramon Valley]
-
A.
San Gabriel Valley
San Gabriel Valley is a populous region east of Los Angeles known for its diverse suburban communities, large Asian American population, and numerous historic and cultural landmarks.
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B.
Santa Clarita
Santa Clarita is a suburban city in Southern California known for its family-friendly communities, proximity to Los Angeles, and attractions like Six Flags Magic Mountain.
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C.
East Valley
East Valley is a suburban region in the southeastern part of the Phoenix metropolitan area in Arizona, known for its rapidly growing cities, family-oriented communities, and technology-driven economy.
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D.
Rancho Cucamonga, California
Rancho Cucamonga, California is a large suburban city in San Bernardino County known for its residential communities, shopping centers, and location at the foothills of the San Gabriel Mountains in Southern California.
-
E.
Mission Viejo, California
Mission Viejo, California is a master-planned suburban city in southern Orange County known for its residential communities, lake, and family-oriented environment.
- 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: San Ramon Valley Target entity description: San Ramon Valley is a suburban region in Contra Costa County, California, known for its affluent communities, scenic rolling hills, and family-oriented residential areas east of the San Francisco Bay.
-
A.
San Gabriel Valley
San Gabriel Valley is a populous region east of Los Angeles known for its diverse suburban communities, large Asian American population, and numerous historic and cultural landmarks.
-
B.
Santa Clarita
Santa Clarita is a suburban city in Southern California known for its family-friendly communities, proximity to Los Angeles, and attractions like Six Flags Magic Mountain.
-
C.
East Valley
East Valley is a suburban region in the southeastern part of the Phoenix metropolitan area in Arizona, known for its rapidly growing cities, family-oriented communities, and technology-driven economy.
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D.
Rancho Cucamonga, California
Rancho Cucamonga, California is a large suburban city in San Bernardino County known for its residential communities, shopping centers, and location at the foothills of the San Gabriel Mountains in Southern California.
-
E.
Mission Viejo, California
Mission Viejo, California is a master-planned suburban city in southern Orange County known for its residential communities, lake, and family-oriented environment.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
suburban region
ⓘ
valley ⓘ |
| adjacentTo |
Dublin
NERFINISHED
ⓘ
Livermore Valley NERFINISHED ⓘ Walnut Creek NERFINISHED ⓘ |
| characteristic |
high median household income
ⓘ
high-performing public schools ⓘ low crime rate ⓘ |
| climate | Mediterranean climate ⓘ |
| commuterDestination |
Oakland
NERFINISHED
ⓘ
San Francisco NERFINISHED ⓘ Silicon Valley NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| demographic | predominantly middle and upper-middle class ⓘ |
| distanceFrom | approximately 30 miles east of San Francisco ⓘ |
| economy | commuter-based ⓘ |
| geographicalFeature | valley ⓘ |
| hasCity |
Danville
NERFINISHED
ⓘ
San Ramon NERFINISHED ⓘ |
| hasParkDistrict | East Bay Regional Park District NERFINISHED ⓘ |
| hasTrail | Iron Horse Regional Trail NERFINISHED ⓘ |
| hasUnincorporatedCommunity |
Alamo
NERFINISHED
ⓘ
Diablo NERFINISHED ⓘ |
| housingType | single-family homes ⓘ |
| knownFor |
affluent communities
ⓘ
family-oriented residential areas ⓘ scenic rolling hills ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Contra Costa County NERFINISHED ⓘ East Bay NERFINISHED ⓘ San Francisco Bay Area ⓘ |
| near | Mount Diablo NERFINISHED ⓘ |
| partOf | Tri-Valley region NERFINISHED ⓘ |
| primaryLandUse |
residential
ⓘ
suburban commercial ⓘ |
| recreation |
cycling
ⓘ
equestrian trails ⓘ hiking ⓘ |
| regionType | suburban corridor ⓘ |
| schoolDistrict | San Ramon Valley Unified School District NERFINISHED ⓘ |
| transportCorridor | Interstate 680 NERFINISHED ⓘ |
| typicalWeather |
mild wet winters
ⓘ
warm dry summers ⓘ |
| watercourse | San Ramon Creek NERFINISHED ⓘ |
| zoning | primarily residential ⓘ |
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: San Ramon Valley Description of subject: San Ramon Valley is a suburban region in Contra Costa County, California, known for its affluent communities, scenic rolling hills, and family-oriented residential areas east of the San Francisco Bay.
Referenced by (12)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Rancho San Ramon
this entity surface form:
San Ramon Valley, California
this entity surface form:
Rancho San Ramon