Smallwood Reservoir
E184662
Smallwood Reservoir is a vast man-made lake in Labrador, Canada, created for hydroelectric power generation as part of the Churchill River system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Smallwood Reservoir canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1584737 — 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: Smallwood Reservoir Context triple: [Churchill River, sourceRegion, Smallwood Reservoir]
-
A.
Harperrig Reservoir
Harperrig Reservoir is a man-made freshwater reservoir in the Pentland Hills of Scotland, used for water supply, fishing, and recreation.
-
B.
Bog Brook Reservoir
Bog Brook Reservoir is a small New York City water supply reservoir in southeastern New York State that forms part of the Croton Watershed system.
-
C.
Foziling Reservoir
Foziling Reservoir is a major multipurpose water conservancy project in Anhui Province, China, known for flood control, irrigation, and water supply within the Huai River basin.
-
D.
Boyds Corner Reservoir
Boyds Corner Reservoir is a small New York City water supply reservoir in Putnam County, New York, that forms part of the city’s Croton watershed system.
-
E.
Fells Reservoir
Fells Reservoir is a man-made water body in Massachusetts that serves as part of the regional water supply and recreational landscape within the Middlesex Fells Reservation.
- 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: Smallwood Reservoir Target entity description: Smallwood Reservoir is a vast man-made lake in Labrador, Canada, created for hydroelectric power generation as part of the Churchill River system.
-
A.
Harperrig Reservoir
Harperrig Reservoir is a man-made freshwater reservoir in the Pentland Hills of Scotland, used for water supply, fishing, and recreation.
-
B.
Bog Brook Reservoir
Bog Brook Reservoir is a small New York City water supply reservoir in southeastern New York State that forms part of the Croton Watershed system.
-
C.
Foziling Reservoir
Foziling Reservoir is a major multipurpose water conservancy project in Anhui Province, China, known for flood control, irrigation, and water supply within the Huai River basin.
-
D.
Boyds Corner Reservoir
Boyds Corner Reservoir is a small New York City water supply reservoir in Putnam County, New York, that forms part of the city’s Croton watershed system.
-
E.
Fells Reservoir
Fells Reservoir is a man-made water body in Massachusetts that serves as part of the regional water supply and recreational landscape within the Middlesex Fells Reservation.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
artificial lake
ⓘ
reservoir ⓘ |
| associatedWith | Churchill Falls Generating Station ⓘ |
| basinCountry | Canada ⓘ |
| climateZone | subarctic climate ⓘ |
| continent | North America ⓘ |
| country | Canada ⓘ |
| countryCapitalOfBasin | Ottawa ⓘ |
| countrySubdivision | province of Newfoundland and Labrador ⓘ |
| createdBy |
Churchill Falls Generating Station
ⓘ
surface form:
Churchill Falls hydroelectric project
|
| hasBasinCountry | Canada ⓘ |
| hasEconomicRole |
electric power supply
ⓘ
industrial development support in Labrador ⓘ |
| hasEnvironmentalContext |
boreal ecosystem
ⓘ
subarctic ecosystem ⓘ |
| hasInflow | Churchill River NERFINISHED ⓘ |
| hasOutflow | Churchill River NERFINISHED ⓘ |
| hasShorelineType |
boreal forest
ⓘ
subarctic landscape ⓘ |
| isLakeType | reservoir lake ⓘ |
| isManMade | true ⓘ |
| isPartOfProject |
Churchill Falls Generating Station
ⓘ
surface form:
Churchill Falls hydroelectric development
|
| locatedIn |
Labrador
ⓘ
Newfoundland and Labrador ⓘ |
| locatedInCountry | Canada ⓘ |
| locatedInCountrySubdivision | Labrador ⓘ |
| locatedInPoliticalEntity |
Canada
ⓘ
Newfoundland and Labrador ⓘ |
| locatedInRegion |
Labrador interior plateau
ⓘ
surface form:
Labrador Plateau
interior Labrador ⓘ |
| locatedInTimeZone | Atlantic Time Zone ⓘ |
| locatedOnRiver | Churchill River NERFINISHED ⓘ |
| majorUse | electricity generation ⓘ |
| namedAfter |
Joseph R. Smallwood
ⓘ
surface form:
Joey Smallwood
Joseph R. Smallwood ⓘ
surface form:
Joseph Smallwood
|
| operator |
CF(L)Co
ⓘ
Churchill Falls (Labrador) Corporation Limited ⓘ |
| partOf |
Churchill River hydroelectric system
ⓘ
Newfoundland and Labrador hydroelectric infrastructure ⓘ |
| purpose | hydroelectric power generation ⓘ |
| regionHydrology |
Churchill River
ⓘ
surface form:
Churchill River watershed
|
| usedFor |
flow regulation of Churchill River
ⓘ
supporting large-scale hydroelectric generation ⓘ |
| waterResourceType | freshwater reservoir ⓘ |
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: Smallwood Reservoir Description of subject: Smallwood Reservoir is a vast man-made lake in Labrador, Canada, created for hydroelectric power generation as part of the Churchill River system.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.