Duncan River
E444682
The Duncan River is a major river in southeastern British Columbia, Canada, known for flowing through the Selkirk Mountains and being impounded by Duncan Dam as part of the Columbia River Treaty system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Duncan River canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3841852 — 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 River Context triple: [Kootenay River, hasTributary, Duncan River]
-
A.
Gard River
The Gard River is a waterway in southern France that flows through the Gard department and is known for landmarks such as the ancient Roman aqueduct Pont du Gard.
-
B.
Elsies River
Elsies River is a residential suburb of Cape Town, South Africa, situated on the Cape Flats and known for its dense population and working-class community.
-
C.
Rib River
Rib River is a river in northern Ethiopia that serves as one of the main tributaries feeding Lake Tana, the source of the Blue Nile.
-
D.
Stewart River
Stewart River is a significant river in Canada's Yukon Territory known for its historical role in the Klondike Gold Rush and as a major tributary of the Yukon River.
-
E.
Benzie River
The Benzie River is a scenic waterway in northwestern Michigan known for its clear waters, trout and salmon fishing, and role in draining Crystal Lake into Lake Michigan.
- 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 River Target entity description: The Duncan River is a major river in southeastern British Columbia, Canada, known for flowing through the Selkirk Mountains and being impounded by Duncan Dam as part of the Columbia River Treaty system.
-
A.
Gard River
The Gard River is a waterway in southern France that flows through the Gard department and is known for landmarks such as the ancient Roman aqueduct Pont du Gard.
-
B.
Elsies River
Elsies River is a residential suburb of Cape Town, South Africa, situated on the Cape Flats and known for its dense population and working-class community.
-
C.
Rib River
Rib River is a river in northern Ethiopia that serves as one of the main tributaries feeding Lake Tana, the source of the Blue Nile.
-
D.
Stewart River
Stewart River is a significant river in Canada's Yukon Territory known for its historical role in the Klondike Gold Rush and as a major tributary of the Yukon River.
-
E.
Benzie River
The Benzie River is a scenic waterway in northwestern Michigan known for its clear waters, trout and salmon fishing, and role in draining Crystal Lake into Lake Michigan.
- F. None of above. chosen
Statements (28)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Canada ⓘ |
| continent | North America ⓘ |
| country | Canada ⓘ |
| flowsInto | Kootenay Lake NERFINISHED ⓘ |
| hasFunction |
modulating Columbia River flows
ⓘ
supporting downstream hydroelectric generation ⓘ |
| hasManMadeStructure |
Duncan Dam
NERFINISHED
ⓘ
Duncan Lake Reservoir NERFINISHED ⓘ |
| hasReservoir | Duncan Lake NERFINISHED ⓘ |
| impoundedBy | Duncan Dam NERFINISHED ⓘ |
| locatedIn |
British Columbia
ⓘ
Columbia Mountains NERFINISHED ⓘ West Kootenay region NERFINISHED ⓘ |
| locatedInMountainRange | Selkirk Mountains NERFINISHED ⓘ |
| locatedInRegion | southeastern British Columbia ⓘ |
| mouth | Kootenay Lake NERFINISHED ⓘ |
| mouthLocatedIn | Kootenay Lake NERFINISHED ⓘ |
| partOf | Columbia River Treaty system NERFINISHED ⓘ |
| partOfDrainageBasin | Columbia River basin ⓘ |
| region | Kootenays NERFINISHED ⓘ |
| regulatedBy | Duncan Dam NERFINISHED ⓘ |
| riverSystem | Columbia River system NERFINISHED ⓘ |
| sourceLocatedIn | Selkirk Mountains NERFINISHED ⓘ |
| tributaryOf | Kootenay River NERFINISHED ⓘ |
| usedFor |
flood control
ⓘ
hydroelectric regulation ⓘ |
| watercourseType | mountain 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 River Description of subject: The Duncan River is a major river in southeastern British Columbia, Canada, known for flowing through the Selkirk Mountains and being impounded by Duncan Dam as part of the Columbia River Treaty system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.