Sacramento River
E32764
The Sacramento River is the longest river entirely within California, flowing through the northern part of the state and serving as a major source of water, transportation, and ecological habitat.
All labels observed (10)
How this entity was disambiguated
This entity first appeared as the object of triple T22026 — 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: Sacramento River Context triple: [Sacramento, locatedOnRiver, Sacramento River]
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A.
San Joaquin River
The San Joaquin River is a major river in central California that flows through the San Joaquin Valley and supports extensive agricultural, ecological, and water supply systems before joining the Sacramento–San Joaquin Delta.
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B.
Tuolumne River
The Tuolumne River is a major Sierra Nevada waterway in California known for its scenic alpine meadows, deep granite canyons, and popular whitewater rafting and fishing opportunities.
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C.
Merced River
The Merced River is a major Sierra Nevada waterway in California renowned for carving Yosemite Valley and providing iconic scenic, recreational, and ecological value within and beyond Yosemite National Park.
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D.
Carson River
The Carson River is a significant river in the western United States that flows through eastern California and western Nevada, playing a key role in the region’s ecology, agriculture, and water supply.
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E.
Mojave River
The Mojave River is an intermittent river in the Mojave Desert of California that mostly flows underground and provides a crucial water source for the region’s arid ecosystems and communities.
- 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: Sacramento River Target entity description: The Sacramento River is the longest river entirely within California, flowing through the northern part of the state and serving as a major source of water, transportation, and ecological habitat.
-
A.
San Joaquin River
The San Joaquin River is a major river in central California that flows through the San Joaquin Valley and supports extensive agricultural, ecological, and water supply systems before joining the Sacramento–San Joaquin Delta.
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B.
Tuolumne River
The Tuolumne River is a major Sierra Nevada waterway in California known for its scenic alpine meadows, deep granite canyons, and popular whitewater rafting and fishing opportunities.
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C.
Merced River
The Merced River is a major Sierra Nevada waterway in California renowned for carving Yosemite Valley and providing iconic scenic, recreational, and ecological value within and beyond Yosemite National Park.
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D.
Carson River
The Carson River is a significant river in the western United States that flows through eastern California and western Nevada, playing a key role in the region’s ecology, agriculture, and water supply.
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E.
Mojave River
The Mojave River is an intermittent river in the Mojave Desert of California that mostly flows underground and provides a crucial water source for the region’s arid ecosystems and communities.
- F. None of above. chosen
Statements (62)
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: Sacramento River Description of subject: The Sacramento River is the longest river entirely within California, flowing through the northern part of the state and serving as a major source of water, transportation, and ecological habitat.
Referenced by (112)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Sacramento River system
this entity surface form:
Sacramento River at Sacramento, California