Arrow Lakes reservoir
E375155
Arrow Lakes reservoir is a large hydroelectric and flood-control reservoir on the Columbia River in British Columbia, Canada, created by dams built under the Columbia River Treaty.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Arrow Lakes Reservoir | 2 |
| Arrow Lakes reservoir canonical | 2 |
| Upper Arrow Lake reservoir | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3605819 — 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: Arrow Lakes reservoir Context triple: [Columbia River Treaty, appliesTo, Arrow Lakes reservoir]
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A.
Don Pedro Reservoir
Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
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B.
Patterson Reservoir
Patterson Reservoir is a water storage facility in California that forms part of the State Water Project’s South Bay Aqueduct system.
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C.
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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D.
Clinton Reservoir
Clinton Reservoir is a man-made lake in West Milford, New Jersey, that serves as a water supply source and recreational area in the region.
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E.
Kama Reservoir
Kama Reservoir is a large artificial lake in Russia formed by damming the Kama River, used primarily for hydroelectric power generation, navigation, and water regulation.
- 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: Arrow Lakes reservoir Target entity description: Arrow Lakes reservoir is a large hydroelectric and flood-control reservoir on the Columbia River in British Columbia, Canada, created by dams built under the Columbia River Treaty.
-
A.
Don Pedro Reservoir
Don Pedro Reservoir is a large artificial lake in California’s Sierra Nevada foothills, primarily used for water storage, hydroelectric power generation, and recreation.
-
B.
Patterson Reservoir
Patterson Reservoir is a water storage facility in California that forms part of the State Water Project’s South Bay Aqueduct system.
-
C.
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.
-
D.
Clinton Reservoir
Clinton Reservoir is a man-made lake in West Milford, New Jersey, that serves as a water supply source and recreational area in the region.
-
E.
Kama Reservoir
Kama Reservoir is a large artificial lake in Russia formed by damming the Kama River, used primarily for hydroelectric power generation, navigation, and water regulation.
- F. None of above. chosen
Statements (45)
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: Arrow Lakes reservoir Description of subject: Arrow Lakes reservoir is a large hydroelectric and flood-control reservoir on the Columbia River in British Columbia, Canada, created by dams built under the Columbia River Treaty.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Arrow Lakes Reservoir
this entity surface form:
Arrow Lakes Reservoir
this entity surface form:
Upper Arrow Lake reservoir