Alvarado, California
E333291
Alvarado, California was a former town in Alameda County that later became part of present-day Union City.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Alvarado, California canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2939105 — 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: Alvarado, California Context triple: [Union City, California, formedByMergerOf, Alvarado, California]
-
A.
Calexico, California
Calexico, California is a small border city in Imperial County that serves as a major gateway for trade and travel between the United States and Mexicali, Mexico.
-
B.
Soledad, California
Soledad, California is a small agricultural city in Monterey County best known as the primary gateway to Pinnacles National Park.
-
C.
San Ysidro, California
San Ysidro, California is a community in the southernmost part of San Diego, known for hosting one of the busiest land border crossings between the United States and Mexico.
-
D.
San Carlos, California
San Carlos, California is a small city on the San Francisco Peninsula known for its suburban charm, vibrant downtown, and role as a local transportation and business hub.
-
E.
Coloma, California
Coloma, California is a historic Gold Country town best known as the site where gold was first discovered in 1848, sparking the California Gold Rush.
- 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: Alvarado, California Target entity description: Alvarado, California was a former town in Alameda County that later became part of present-day Union City.
-
A.
Calexico, California
Calexico, California is a small border city in Imperial County that serves as a major gateway for trade and travel between the United States and Mexicali, Mexico.
-
B.
Soledad, California
Soledad, California is a small agricultural city in Monterey County best known as the primary gateway to Pinnacles National Park.
-
C.
San Ysidro, California
San Ysidro, California is a community in the southernmost part of San Diego, known for hosting one of the busiest land border crossings between the United States and Mexico.
-
D.
San Carlos, California
San Carlos, California is a small city on the San Francisco Peninsula known for its suburban charm, vibrant downtown, and role as a local transportation and business hub.
-
E.
Coloma, California
Coloma, California is a historic Gold Country town best known as the site where gold was first discovered in 1848, sparking the California Gold Rush.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
former town
ⓘ
unincorporated community ⓘ |
| areaCode |
341
ⓘ
510 ⓘ |
| country | United States of America ⓘ |
| hasClimate | Mediterranean climate ⓘ |
| hasCurrentStatus | neighborhood of Union City, California ⓘ |
| hasFeature | historic downtown district of Union City ⓘ |
| historicalCountySeatOf |
Alameda County, California
ⓘ
linked to:
Alameda County
|
| historicalEconomicActivity |
dairy production
ⓘ
farming ⓘ sugar beet processing ⓘ |
| historicalSettlementType | agricultural community ⓘ |
| locatedIn |
Alameda County, California
ⓘ
linked to:
Alameda County
California ⓘ
linked to:
California, United States
San Francisco Bay Area ⓘ |
| locatedInMetropolitanArea |
San Francisco–Oakland–Berkeley metropolitan area
ⓘ
linked to:
San Francisco Bay Area
|
| locatedInRegion | East Bay ⓘ |
| locatedInValley | San Francisco Bay coastal plain ⓘ |
| locatedNear |
Fremont, California
ⓘ
linked to:
Fremont
Hayward, California ⓘ
linked to:
Hayward
|
| namedAfter | Juan Bautista Alvarado ⓘ |
| nowPartOf | Union City, California ⓘ |
| partOf | Union City, California ⓘ |
| postalCode | 94587 ⓘ |
| timeZone | Pacific Time Zone ⓘ |
| transportation |
served by Union City BART station (nearby)
ⓘ
served by nearby Interstate 880 ⓘ |
| UTCOffset | UTC−08:00 ⓘ |
| UTCOffsetDST | UTC−07:00 ⓘ |
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: Alvarado, California Description of subject: Alvarado, California was a former town in Alameda County that later became part of present-day Union City.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Union City