Lake Saint-Pierre
E221153
Lake Saint-Pierre is a broad, shallow widening of the Saint Lawrence River in Quebec, recognized as a UNESCO Biosphere Reserve for its rich wetlands and biodiversity.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Lake Saint-Pierre canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1281630 — 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: Lake Saint-Pierre Context triple: [Saint Lawrence River, hasFeature, Lake Saint-Pierre]
-
A.
Lake Saint-Louis
Lake Saint-Louis is a broad fluvial lake in southwestern Quebec, Canada, formed by the widening of the Saint Lawrence River near Montreal and known for its recreational boating and rich aquatic habitats.
-
B.
Mazinaw Lake
Mazinaw Lake is a large, deep lake in southeastern Ontario, Canada, renowned for its towering Mazinaw Rock cliffs adorned with Indigenous pictographs and its central role in outdoor recreation.
-
C.
Lake Nipigon
Lake Nipigon is a large, remote freshwater lake in northwestern Ontario, Canada, known as the largest lake entirely within the province and a major headwater of Lake Superior.
-
D.
Lesser Slave Lake
Lesser Slave Lake is a large, shallow freshwater lake in north-central Alberta, Canada, known for its fishing, birdwatching, and surrounding provincial parks.
-
E.
Lake Manitoba
Lake Manitoba is a large, shallow freshwater lake in the Canadian province of Manitoba, known for its wetlands, fisheries, and role in regional recreation and ecology.
- 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: Lake Saint-Pierre Target entity description: Lake Saint-Pierre is a broad, shallow widening of the Saint Lawrence River in Quebec, recognized as a UNESCO Biosphere Reserve for its rich wetlands and biodiversity.
-
A.
Lake Saint-Louis
Lake Saint-Louis is a broad fluvial lake in southwestern Quebec, Canada, formed by the widening of the Saint Lawrence River near Montreal and known for its recreational boating and rich aquatic habitats.
-
B.
Mazinaw Lake
Mazinaw Lake is a large, deep lake in southeastern Ontario, Canada, renowned for its towering Mazinaw Rock cliffs adorned with Indigenous pictographs and its central role in outdoor recreation.
-
C.
Lake Nipigon
Lake Nipigon is a large, remote freshwater lake in northwestern Ontario, Canada, known as the largest lake entirely within the province and a major headwater of Lake Superior.
-
D.
Lesser Slave Lake
Lesser Slave Lake is a large, shallow freshwater lake in north-central Alberta, Canada, known for its fishing, birdwatching, and surrounding provincial parks.
-
E.
Lake Manitoba
Lake Manitoba is a large, shallow freshwater lake in the Canadian province of Manitoba, known for its wetlands, fisheries, and role in regional recreation and ecology.
- F. None of above. chosen
Statements (55)
| Predicate | Object |
|---|---|
| instanceOf |
UNESCO Biosphere Reserve
ⓘ
lake ⓘ |
| averageDepth | about 3 metres ⓘ |
| basinCountry | Canada ⓘ |
| characterizedAs | broad shallow widening of the Saint Lawrence River ⓘ |
| country | Canada ⓘ |
| ecosystemType | fluvial lake ⓘ |
| elevation | about 5 metres above sea level ⓘ |
| hasIslands | yes ⓘ |
| hasWetlands | yes ⓘ |
| importantFor |
fish biodiversity
ⓘ
migratory birds ⓘ waterfowl ⓘ |
| inflow | Saint Lawrence River ⓘ |
| length | about 32 kilometres ⓘ |
| locatedBetween |
Sorel-Tracy
ⓘ
Trois-Rivières ⓘ |
| locatedIn |
Quebec, Canada
ⓘ
surface form:
Quebec
|
| locatedInAdministrativeRegion |
Centre-du-Québec
ⓘ
Lanaudière ⓘ Mauricie ⓘ Montérégie ⓘ |
| locatedNear |
Sorel-Tracy
ⓘ
Trois-Rivières ⓘ |
| locatedOn | Saint Lawrence River ⓘ |
| mainHumanActivities |
commercial navigation
ⓘ
recreational boating ⓘ sport fishing ⓘ waterfowl hunting ⓘ |
| maximumDepth | about 11 metres ⓘ |
| numberOfIslandsApproximate | about 100 ⓘ |
| outflow | Saint Lawrence River ⓘ |
| partOf |
St. Lawrence River drainage basin
ⓘ
surface form:
Saint Lawrence River system
|
| RamsarDesignationYear | 1998 ⓘ |
| RamsarStatus | Ramsar wetland of international importance ⓘ |
| recognizedFor |
fish spawning grounds
ⓘ
high biodiversity ⓘ rich wetlands ⓘ waterfowl habitat ⓘ |
| supportsSpecies |
Canada goose
ⓘ
northern pike ⓘ
surface form:
Northern pike
Snow goose ⓘ Walleye ⓘ Yellow perch ⓘ various duck species ⓘ |
| surfaceArea | about 315 square kilometres ⓘ |
| threats |
agricultural runoff
ⓘ
habitat degradation ⓘ industrial pollution ⓘ shoreline erosion ⓘ |
| UNESCODesignation | Biosphere Reserve ⓘ |
| UNESCODesignationYear | 2000 ⓘ |
| wetlandsType |
floodplain wetlands
ⓘ
freshwater marshes ⓘ |
| width | about 32 kilometres ⓘ |
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: Lake Saint-Pierre Description of subject: Lake Saint-Pierre is a broad, shallow widening of the Saint Lawrence River in Quebec, recognized as a UNESCO Biosphere Reserve for its rich wetlands and biodiversity.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.