Coquitlam Lake reservoir
E730835
Coquitlam Lake reservoir is a man-made lake in British Columbia that serves as a major source of drinking water and recreation for the Metro Vancouver region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Coquitlam Lake reservoir canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8391114 — 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: Coquitlam Lake reservoir Context triple: [Coquitlam, hasFeature, Coquitlam Lake reservoir]
-
A.
Burnaby Lake
Burnaby Lake is a large urban freshwater lake and surrounding regional park in Burnaby, British Columbia, known for its wetlands, wildlife habitat, and recreational trails.
-
B.
Cultus Lake
Cultus Lake is a scenic natural lake in central Oregon’s Cascade Range, popular for camping, fishing, and other outdoor recreation.
-
C.
Cheakamus Lake
Cheakamus Lake is a scenic alpine lake in British Columbia, Canada, known for its turquoise waters, surrounding mountain vistas, and popular hiking trails.
-
D.
Skaha Lake
Skaha Lake is a scenic freshwater lake in British Columbia’s Okanagan Valley, popular for swimming, boating, and lakeside recreation.
-
E.
Lillooet Lake
Lillooet Lake is a long, glacially fed lake in southwestern British Columbia, Canada, known for its scenic mountain surroundings and recreational opportunities such as boating and fishing.
- 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: Coquitlam Lake reservoir Target entity description: Coquitlam Lake reservoir is a man-made lake in British Columbia that serves as a major source of drinking water and recreation for the Metro Vancouver region.
-
A.
Burnaby Lake
Burnaby Lake is a large urban freshwater lake and surrounding regional park in Burnaby, British Columbia, known for its wetlands, wildlife habitat, and recreational trails.
-
B.
Cultus Lake
Cultus Lake is a scenic natural lake in central Oregon’s Cascade Range, popular for camping, fishing, and other outdoor recreation.
-
C.
Cheakamus Lake
Cheakamus Lake is a scenic alpine lake in British Columbia, Canada, known for its turquoise waters, surrounding mountain vistas, and popular hiking trails.
-
D.
Skaha Lake
Skaha Lake is a scenic freshwater lake in British Columbia’s Okanagan Valley, popular for swimming, boating, and lakeside recreation.
-
E.
Lillooet Lake
Lillooet Lake is a long, glacially fed lake in southwestern British Columbia, Canada, known for its scenic mountain surroundings and recreational opportunities such as boating and fishing.
- F. None of above. chosen
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf | reservoir ⓘ |
| basinCountry | Canada ⓘ |
| country | Canada ⓘ |
| hasDam | Coquitlam Dam NERFINISHED ⓘ |
| hasFunction |
flood control
ⓘ
hydroelectric regulation ⓘ |
| hasRestrictedAccess | true ⓘ |
| inflow | Coquitlam River NERFINISHED ⓘ |
| isFreshwaterBody | true ⓘ |
| locatedIn |
British Columbia
ⓘ
Coast Mountains NERFINISHED ⓘ Coquitlam River watershed NERFINISHED ⓘ Lower Mainland NERFINISHED ⓘ Metro Vancouver region NERFINISHED ⓘ |
| locatedInTimeZone | Pacific Time Zone ⓘ |
| locatedNear | City of Coquitlam NERFINISHED ⓘ |
| managedBy |
Greater Vancouver Water District
NERFINISHED
ⓘ
Metro Vancouver NERFINISHED ⓘ |
| nearCity |
Coquitlam
NERFINISHED
ⓘ
Port Coquitlam NERFINISHED ⓘ Port Moody NERFINISHED ⓘ |
| nearProtectedArea | Pinecone Burke Provincial Park NERFINISHED ⓘ |
| outflow | Coquitlam River NERFINISHED ⓘ |
| partOf |
Coquitlam River Regional watershed
NERFINISHED
ⓘ
Metro Vancouver water supply system NERFINISHED ⓘ |
| primaryUse | municipal water supply ⓘ |
| recreationRegulatedBy | Metro Vancouver NERFINISHED ⓘ |
| region | Pacific Northwest ⓘ |
| usedFor |
drinking water supply
ⓘ
recreation ⓘ |
| waterQualityProtected | true ⓘ |
| waterSourceFor |
Greater Vancouver
NERFINISHED
ⓘ
Metro Vancouver NERFINISHED ⓘ |
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: Coquitlam Lake reservoir Description of subject: Coquitlam Lake reservoir is a man-made lake in British Columbia that serves as a major source of drinking water and recreation for the Metro Vancouver region.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.