Cowlitz River
E174781
The Cowlitz River is a significant river in southwestern Washington State, known for its salmon and steelhead runs, hydroelectric dams, and role in regional recreation and fisheries.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Cowlitz River canonical | 15 |
| Cowlitz River basin | 2 |
| Cowlitz River valley | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T609982 — 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: Cowlitz River Context triple: [Columbia River, majorTributary, Cowlitz River]
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A.
Hood River
Hood River is a river in northern Oregon that flows into the Columbia River and lends its name to the nearby city and county known for outdoor recreation and agriculture.
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B.
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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C.
Yamhill River
The Yamhill River is a tributary waterway in northwestern Oregon that flows through Yamhill County’s agricultural and wine-producing regions before joining the Willamette River.
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D.
Willamette River
The Willamette River is a major waterway in northwestern Oregon that flows north through the Willamette Valley and the city of Portland before joining the Columbia River.
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E.
Multnomah River
The Multnomah River is a historic waterway in Oregon whose name, derived from the Indigenous Multnomah people, has been used for various geographic and political entities in the 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: Cowlitz River Target entity description: The Cowlitz River is a significant river in southwestern Washington State, known for its salmon and steelhead runs, hydroelectric dams, and role in regional recreation and fisheries.
-
A.
Hood River
Hood River is a river in northern Oregon that flows into the Columbia River and lends its name to the nearby city and county known for outdoor recreation and agriculture.
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B.
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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C.
Yamhill River
The Yamhill River is a tributary waterway in northwestern Oregon that flows through Yamhill County’s agricultural and wine-producing regions before joining the Willamette River.
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D.
Willamette River
The Willamette River is a major waterway in northwestern Oregon that flows north through the Willamette Valley and the city of Portland before joining the Columbia River.
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E.
Multnomah River
The Multnomah River is a historic waterway in Oregon whose name, derived from the Indigenous Multnomah people, has been used for various geographic and political entities in the region.
- F. None of above. chosen
Statements (49)
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: Cowlitz River Description of subject: The Cowlitz River is a significant river in southwestern Washington State, known for its salmon and steelhead runs, hydroelectric dams, and role in regional recreation and fisheries.
Referenced by (18)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Cowlitz River basin
subject surface form:
Lewis County, Washington
this entity surface form:
Cowlitz River basin
this entity surface form:
Cowlitz River valley