Alvarado, California

E333291

Alvarado, California was a former town in Alameda County that later became part of present-day Union City.

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All labels observed (1)

Label Occurrences
Alvarado, California canonical 1

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
surface form: Alameda County, California
historicalEconomicActivity dairy production
farming
sugar beet processing
historicalSettlementType agricultural community
locatedIn Alameda County
surface form: Alameda County, California

California, United States
surface form: California

San Francisco Bay Area
locatedInMetropolitanArea San Francisco Bay Area
surface form: San Francisco–Oakland–Berkeley metropolitan area
locatedInRegion East Bay
locatedInValley San Francisco Bay coastal plain
locatedNear Fremont
surface form: Fremont, California

Hayward
surface form: Hayward, California
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.

Union City formedByMergerOf Alvarado, California
subject surface form: Union City, California