California Aqueduct
E64323
The California Aqueduct is a major man-made water conveyance system in California that transports water hundreds of miles from the state’s northern regions to its drier central and southern areas.
All labels observed (16)
How this entity was disambiguated
This entity first appeared as the object of triple T495745 — 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: California Aqueduct Context triple: [State Water Project, hasComponent, California Aqueduct]
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A.
Tehama-Colusa Canal
The Tehama-Colusa Canal is a major irrigation and water conveyance canal in California’s Sacramento Valley that delivers Central Valley Project water to agricultural lands and communities.
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B.
Central Valley Project
The Central Valley Project is a large-scale federal water management system in California that stores and delivers water for agriculture, cities, and environmental uses across the Central Valley.
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C.
Friant-Kern Canal
The Friant-Kern Canal is a major irrigation and water conveyance canal in California’s San Joaquin Valley that delivers diverted San Joaquin River water to farms and communities across the southern Central Valley.
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D.
Contra Costa Canal
The Contra Costa Canal is a man-made waterway in California that delivers irrigation and municipal water from the Sacramento–San Joaquin Delta to communities in Contra Costa County.
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E.
Folsom Dam
Folsom Dam is a large concrete dam on the American River in California that provides flood control, water storage, and hydroelectric power for the Sacramento region.
- 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: California Aqueduct Target entity description: The California Aqueduct is a major man-made water conveyance system in California that transports water hundreds of miles from the state’s northern regions to its drier central and southern areas.
-
A.
Tehama-Colusa Canal
The Tehama-Colusa Canal is a major irrigation and water conveyance canal in California’s Sacramento Valley that delivers Central Valley Project water to agricultural lands and communities.
-
B.
Central Valley Project
The Central Valley Project is a large-scale federal water management system in California that stores and delivers water for agriculture, cities, and environmental uses across the Central Valley.
-
C.
Friant-Kern Canal
The Friant-Kern Canal is a major irrigation and water conveyance canal in California’s San Joaquin Valley that delivers diverted San Joaquin River water to farms and communities across the southern Central Valley.
-
D.
Contra Costa Canal
The Contra Costa Canal is a man-made waterway in California that delivers irrigation and municipal water from the Sacramento–San Joaquin Delta to communities in Contra Costa County.
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E.
Folsom Dam
Folsom Dam is a large concrete dam on the American River in California that provides flood control, water storage, and hydroelectric power for the Sacramento region.
- F. None of above. chosen
Statements (57)
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: California Aqueduct Description of subject: The California Aqueduct is a major man-made water conveyance system in California that transports water hundreds of miles from the state’s northern regions to its drier central and southern areas.
Referenced by (48)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Coastal Branch Aqueduct
this entity surface form:
California Aqueduct (via associated projects and diversions)
this entity surface form:
California Aqueduct South System
this entity surface form:
California State Water Project aqueduct system
this entity surface form:
California water conveyance system
this entity surface form:
West Branch California Aqueduct
this entity surface form:
California aqueduct system
this entity surface form:
San Joaquin Valley segment of the California Aqueduct
this entity surface form:
Southern California segment of the California Aqueduct
this entity surface form:
California Aqueduct East Branch system
this entity surface form:
California Aqueduct East Branch Extension
this entity surface form:
West Branch of the California Aqueduct
this entity surface form:
California Aqueduct mainline
this entity surface form:
upstream reaches of the California Aqueduct
this entity surface form:
California Aqueduct via South Bay Pumping Plant