Duncan Dam reservoir
E379808
Duncan Dam reservoir is a Canadian water storage reservoir on the Kootenay River in British Columbia that plays a key role in flood control and hydroelectric regulation within the Columbia River system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Duncan Dam reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3605821 — 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: Duncan Dam reservoir Context triple: [Columbia River Treaty, appliesTo, Duncan Dam reservoir]
-
A.
Canistear Reservoir
Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
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B.
Merimere Reservoir
Merimere Reservoir is a scenic body of water in Meriden, Connecticut, known for its surrounding cliffs, hiking trails, and role as a central natural feature of Hubbard Park.
-
C.
Amawalk Reservoir
Amawalk Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply system.
-
D.
Lusk Reservoir
Lusk Reservoir is a scenic man-made lake on the grounds of the United States Military Academy at West Point, often noted for its picturesque setting near the campus athletic facilities.
-
E.
Knott Creek Reservoir
Knott Creek Reservoir is a remote high-desert fishing lake in northern Nevada, renowned for its trophy trout and scenic setting in the Pine Forest Range.
- 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: Duncan Dam reservoir Target entity description: Duncan Dam reservoir is a Canadian water storage reservoir on the Kootenay River in British Columbia that plays a key role in flood control and hydroelectric regulation within the Columbia River system.
-
A.
Canistear Reservoir
Canistear Reservoir is a man-made lake in northern New Jersey that serves as a water supply and recreational area within the township of West Milford.
-
B.
Merimere Reservoir
Merimere Reservoir is a scenic body of water in Meriden, Connecticut, known for its surrounding cliffs, hiking trails, and role as a central natural feature of Hubbard Park.
-
C.
Amawalk Reservoir
Amawalk Reservoir is a man-made lake in Westchester County, New York, that forms part of New York City's Croton water supply system.
-
D.
Lusk Reservoir
Lusk Reservoir is a scenic man-made lake on the grounds of the United States Military Academy at West Point, often noted for its picturesque setting near the campus athletic facilities.
-
E.
Knott Creek Reservoir
Knott Creek Reservoir is a remote high-desert fishing lake in northern Nevada, renowned for its trophy trout and scenic setting in the Pine Forest Range.
- F. None of above. chosen
Statements (41)
| Predicate | Object |
|---|---|
| instanceOf |
reservoir
ⓘ
water storage reservoir ⓘ |
| basinCountry | Canada ⓘ |
| continent | North America ⓘ |
| country | Canada ⓘ |
| createdBy | Duncan Dam ⓘ |
| hasEngineeringFunction |
attenuation of spring runoff
ⓘ
storage for treaty power generation ⓘ |
| hasLegalFramework |
Columbia River Treaty
ⓘ
surface form:
Columbia River Treaty between Canada and the United States
|
| hasRole |
key component of Columbia River flood control system
ⓘ
upstream storage for Kootenay River ⓘ |
| hasUse |
support of downstream irrigation reliability
ⓘ
support of downstream navigation conditions ⓘ |
| isArtificialLake | true ⓘ |
| isUpstreamOf |
Columbia River
ⓘ
surface form:
Columbia River mainstem
Kootenay Lake ⓘ |
| locatedIn | British Columbia ⓘ |
| locatedInCountrySubdivision |
British Columbia
ⓘ
surface form:
Province of British Columbia
|
| locatedInPoliticalEntity | Canada ⓘ |
| locatedInRegion |
Kootenay region
ⓘ
surface form:
Southeastern British Columbia
|
| locatedInWatershed |
Columbia River Basin
ⓘ
surface form:
Columbia River watershed
Kootenay River ⓘ
surface form:
Kootenay River watershed
|
| locatedNear | southeastern British Columbia communities ⓘ |
| locatedOnRiver | Kootenay River ⓘ |
| manMade | true ⓘ |
| operatedFor | flood risk reduction in Canada and the United States ⓘ |
| outflow | Kootenay River ⓘ |
| partOf |
Columbia River Treaty
ⓘ
surface form:
Columbia River Treaty storage system
|
| partOfInfrastructure |
Columbia River Treaty
ⓘ
surface form:
Columbia River Treaty projects
|
| partOfRiverSystem |
Columbia River
ⓘ
surface form:
Columbia River system
|
| primaryFunction |
flood control
ⓘ
flow regulation ⓘ hydroelectric regulation ⓘ |
| purpose |
downstream flood protection
ⓘ
support of downstream hydroelectric generation ⓘ |
| regulates |
downstream Columbia River flows
ⓘ
downstream Kootenay River flows ⓘ |
| usedFor |
regulation of Columbia River flows
ⓘ
seasonal water storage ⓘ |
| waterBodyType | freshwater reservoir ⓘ |
| watercourse | Kootenay River ⓘ |
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: Duncan Dam reservoir Description of subject: Duncan Dam reservoir is a Canadian water storage reservoir on the Kootenay River in British Columbia that plays a key role in flood control and hydroelectric regulation within the Columbia River system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.