Lewis River
E119122
The Lewis River is a tributary of the Columbia River in southwestern Washington State, known for its hydroelectric dams, scenic gorges, and popular fishing and recreation areas.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lewis River canonical | 8 |
| Lewis River watershed | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T516020 — 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: Lewis River Context triple: [Clark County, Washington, hasAreaWater, Lewis River]
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A.
Copper River
The Copper River is a major glacial-fed river in south-central Alaska known for its rich salmon runs, extensive delta, and dramatic canyon landscapes.
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B.
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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C.
Skeena River
The Skeena River is a major waterway in northwestern British Columbia, Canada, central to the culture, history, and economy of Indigenous peoples such as the Tsimshian.
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D.
Yaquina River
The Yaquina River is a coastal river in western Oregon that flows through forested valleys before emptying into the Pacific Ocean at Yaquina Bay near Newport.
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E.
Columbia River
The Columbia River is a major river of the Pacific Northwest that forms much of the border between Oregon and Washington and is vital for hydroelectric power, transportation, and regional ecosystems.
- 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: Lewis River Target entity description: The Lewis River is a tributary of the Columbia River in southwestern Washington State, known for its hydroelectric dams, scenic gorges, and popular fishing and recreation areas.
-
A.
Copper River
The Copper River is a major glacial-fed river in south-central Alaska known for its rich salmon runs, extensive delta, and dramatic canyon landscapes.
-
B.
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.
-
C.
Skeena River
The Skeena River is a major waterway in northwestern British Columbia, Canada, central to the culture, history, and economy of Indigenous peoples such as the Tsimshian.
-
D.
Yaquina River
The Yaquina River is a coastal river in western Oregon that flows through forested valleys before emptying into the Pacific Ocean at Yaquina Bay near Newport.
-
E.
Columbia River
The Columbia River is a major river of the Pacific Northwest that forms much of the border between Oregon and Washington and is vital for hydroelectric power, transportation, and regional ecosystems.
- F. None of above. chosen
Statements (39)
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: Lewis River Description of subject: The Lewis River is a tributary of the Columbia River in southwestern Washington State, known for its hydroelectric dams, scenic gorges, and popular fishing and recreation areas.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Clark County, Washington
this entity surface form:
Lewis River watershed