Alhambra Valley, near Martinez, California
E484969
Alhambra Valley, near Martinez, California, is a scenic, historically agricultural valley in Contra Costa County known for its orchards, ranches, and association with early California settlers.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Alhambra Valley, California | 3 |
| Alhambra Valley, near Martinez, California canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4989431 — 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: Alhambra Valley, near Martinez, California Context triple: [Louisa Wanda Strentzel, livedIn, Alhambra Valley, near Martinez, California]
-
A.
Alhambra, California
Alhambra, California is a diverse suburban city in Los Angeles County known for its large Asian American community, vibrant dining scene, and proximity to downtown Los Angeles.
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B.
Moraga, California
Moraga, California is a suburban town in the San Francisco Bay Area known for its residential character and as the home of Saint Mary's College of California.
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C.
City of Calimesa
The City of Calimesa is a small suburban community in Southern California known for its semi-rural character and location near the foothills between the Inland Empire and the San Gorgonio Pass.
-
D.
Contra Loma Regional Park
Contra Loma Regional Park is a public recreation area in Contra Costa County, California, known for its reservoir, fishing, swimming lagoon, and hiking and biking trails.
-
E.
Alamo, California
Alamo, California is an affluent unincorporated community in the San Francisco Bay Area known for its suburban residential character and high quality of life.
- 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: Alhambra Valley, near Martinez, California Target entity description: Alhambra Valley, near Martinez, California, is a scenic, historically agricultural valley in Contra Costa County known for its orchards, ranches, and association with early California settlers.
-
A.
Alhambra, California
Alhambra, California is a diverse suburban city in Los Angeles County known for its large Asian American community, vibrant dining scene, and proximity to downtown Los Angeles.
-
B.
Moraga, California
Moraga, California is a suburban town in the San Francisco Bay Area known for its residential character and as the home of Saint Mary's College of California.
-
C.
City of Calimesa
The City of Calimesa is a small suburban community in Southern California known for its semi-rural character and location near the foothills between the Inland Empire and the San Gorgonio Pass.
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D.
Contra Loma Regional Park
Contra Loma Regional Park is a public recreation area in Contra Costa County, California, known for its reservoir, fishing, swimming lagoon, and hiking and biking trails.
-
E.
Alamo, California
Alamo, California is an affluent unincorporated community in the San Francisco Bay Area known for its suburban residential character and high quality of life.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
unincorporated community
ⓘ
valley ⓘ |
| areaCode | 925 ⓘ |
| climate | Mediterranean climate ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| countySubdivision | unincorporated area of Contra Costa County ⓘ |
| drainage | Alhambra Creek watershed ⓘ |
| elevation | approximately 180 feet ⓘ |
| environment |
grassland and pasture areas
ⓘ
oak-studded hills ⓘ |
| geographicFeature | valley ⓘ |
| historicalUse |
cattle ranching
ⓘ
fruit orchards ⓘ |
| knownFor |
association with early California settlers
ⓘ
historically agricultural land use ⓘ orchards ⓘ ranches ⓘ scenic landscape ⓘ |
| landUse |
agricultural
ⓘ
rural residential ⓘ |
| locatedIn |
Contra Costa County, California
ⓘ
linked to:
Contra Costa County
|
| locatedNear | Martinez, California ⓘ |
| locatedWestOf |
downtown Martinez, California
ⓘ
linked to:
Martinez, California
|
| populationCharacteristic | low-density settlement ⓘ |
| postalCode | 94553 ⓘ |
| region | San Francisco Bay Area ⓘ |
| state |
California
ⓘ
linked to:
California, United States
|
| timeZone | Pacific Time Zone ⓘ |
| transportationAccess | served by local county 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: Alhambra Valley, near Martinez, California Description of subject: Alhambra Valley, near Martinez, California, is a scenic, historically agricultural valley in Contra Costa County known for its orchards, ranches, and association with early California settlers.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Alhambra Valley, near Martinez, California
linked to: Alhambra Valley, near Martinez, California
linked to: Alhambra Valley, near Martinez, California