Columbia River at Grand Coulee Dam
E308676
The Columbia River at Grand Coulee Dam is the regulated stretch of the Columbia River whose stored and diverted waters supply irrigation and power for the vast Columbia Basin Project in central Washington.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Columbia River at Grand Coulee Dam canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2884165 — 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 at Grand Coulee Dam Context triple: [Columbia Basin Project, waterSource, Columbia River at Grand Coulee Dam]
-
A.
Bonneville Dam vicinity on the Columbia River
The Bonneville Dam vicinity on the Columbia River is a major hydroelectric and navigation complex in the Columbia River Gorge, known for its historic dam, fish ladders, and scenic riverfront setting.
-
B.
Columbia River hydropower system
The Columbia River hydropower system is an extensive network of dams and generating facilities that provides a major share of the Pacific Northwest’s electricity while also supporting irrigation, navigation, and flood control.
-
C.
Grand Coulee, Washington
Grand Coulee, Washington is a small city in north-central Washington state best known as the community adjacent to and serving the massive Grand Coulee Dam on the Columbia River.
-
D.
The Dalles Dam
The Dalles Dam is a large hydroelectric dam and navigation facility on the Columbia River in the Pacific Northwest, known for its significant power generation and impact on regional river ecosystems and communities.
-
E.
Grand Coulee Dam
Grand Coulee Dam is a massive concrete gravity dam on the Columbia River in Washington State, renowned as one of the largest power-producing facilities in the United States and a landmark of New Deal–era infrastructure.
- 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 at Grand Coulee Dam Target entity description: The Columbia River at Grand Coulee Dam is the regulated stretch of the Columbia River whose stored and diverted waters supply irrigation and power for the vast Columbia Basin Project in central Washington.
-
A.
Bonneville Dam vicinity on the Columbia River
The Bonneville Dam vicinity on the Columbia River is a major hydroelectric and navigation complex in the Columbia River Gorge, known for its historic dam, fish ladders, and scenic riverfront setting.
-
B.
Columbia River hydropower system
The Columbia River hydropower system is an extensive network of dams and generating facilities that provides a major share of the Pacific Northwest’s electricity while also supporting irrigation, navigation, and flood control.
-
C.
Grand Coulee, Washington
Grand Coulee, Washington is a small city in north-central Washington state best known as the community adjacent to and serving the massive Grand Coulee Dam on the Columbia River.
-
D.
The Dalles Dam
The Dalles Dam is a large hydroelectric dam and navigation facility on the Columbia River in the Pacific Northwest, known for its significant power generation and impact on regional river ecosystems and communities.
-
E.
Grand Coulee Dam
Grand Coulee Dam is a massive concrete gravity dam on the Columbia River in Washington State, renowned as one of the largest power-producing facilities in the United States and a landmark of New Deal–era infrastructure.
- F. None of above. chosen
Statements (29)
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 at Grand Coulee Dam Description of subject: The Columbia River at Grand Coulee Dam is the regulated stretch of the Columbia River whose stored and diverted waters supply irrigation and power for the vast Columbia Basin Project in central Washington.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.