Columbia River Basin
E395795
The Columbia River Basin is a vast watershed in the Pacific Northwest that drains portions of seven U.S. states and British Columbia into the Columbia River, supporting major ecosystems, agriculture, and hydroelectric power.
All labels observed (15)
How this entity was disambiguated
This entity first appeared as the object of triple T3748294 — 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: Columbia River Basin Context triple: [Deschutes River, partOf, Columbia River Basin]
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A.
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.
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B.
Lewis and Clark River
The Lewis and Clark River is a small coastal river in northwestern Oregon that flows through forested terrain into the Youngs River near Astoria, historically associated with the Lewis and Clark Expedition.
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C.
Klamath River
The Klamath River is a major river in southern Oregon and northern California known for its salmon runs, ecological significance, and ongoing water and dam-removal controversies.
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D.
Missouri River Basin
The Missouri River Basin is a vast drainage area in the central United States that collects water from the Missouri River and its tributaries across multiple states and parts of Canada.
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E.
Columbia Plateau
The Columbia Plateau is a vast volcanic and sedimentary region in the Pacific Northwest known for its basalt flows, deep river canyons, and extensive agricultural lands shaped by the Columbia River and its tributaries.
- 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: Columbia River Basin Target entity description: The Columbia River Basin is a vast watershed in the Pacific Northwest that drains portions of seven U.S. states and British Columbia into the Columbia River, supporting major ecosystems, agriculture, and hydroelectric power.
-
A.
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.
-
B.
Lewis and Clark River
The Lewis and Clark River is a small coastal river in northwestern Oregon that flows through forested terrain into the Youngs River near Astoria, historically associated with the Lewis and Clark Expedition.
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C.
Klamath River
The Klamath River is a major river in southern Oregon and northern California known for its salmon runs, ecological significance, and ongoing water and dam-removal controversies.
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D.
Missouri River Basin
The Missouri River Basin is a vast drainage area in the central United States that collects water from the Missouri River and its tributaries across multiple states and parts of Canada.
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E.
Columbia Plateau
The Columbia Plateau is a vast volcanic and sedimentary region in the Pacific Northwest known for its basalt flows, deep river canyons, and extensive agricultural lands shaped by the Columbia River and its tributaries.
- F. None of above. chosen
Statements (54)
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: Columbia River Basin Description of subject: The Columbia River Basin is a vast watershed in the Pacific Northwest that drains portions of seven U.S. states and British Columbia into the Columbia River, supporting major ecosystems, agriculture, and hydroelectric power.
Referenced by (135)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Columbia River watershed
this entity surface form:
Columbia River basin
subject surface form:
Columbia (ship)
this entity surface form:
Columbia River region
this entity surface form:
Columbia River basin
this entity surface form:
Columbia River basin
this entity surface form:
Columbia River basin
subject surface form:
Arrow Lakes Reservoir
this entity surface form:
Columbia River basin
this entity surface form:
Columbia River basin
this entity surface form:
Columbia River basin
this entity surface form:
Columbia River corridor
this entity surface form:
Columbia-Snake River System
this entity surface form:
Columbia River basin
this entity surface form:
Columbia River watershed
this entity surface form:
Columbia River basin
subject surface form:
Elk River (British Columbia)
this entity surface form:
Columbia River basin
subject surface form:
Salmon River (Oregon)
this entity surface form:
Columbia River basin