Lac Saint-Charles
E340085
Lac Saint-Charles is a freshwater lake north of Quebec City, Canada, known as an important recreational area and a major source of drinking water for the region.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Lac Saint-Charles canonical | 2 |
| Lac-Saint-Charles | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3004493 — 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: Lac Saint-Charles Context triple: [Saint-Charles River, sourceLocation, Lac Saint-Charles]
-
A.
La Haute-Saint-Charles
La Haute-Saint-Charles is a residential and suburban borough located in the northern part of Quebec City, known for its green spaces and family-oriented neighborhoods.
-
B.
Saint-Charles River
The Saint-Charles River is an urban waterway in Quebec City known for its historic role in the city’s development and its riverside parks and trails.
-
C.
Jacques-Cartier River
The Jacques-Cartier River is a major river in southern Quebec, Canada, known for flowing through Jacques-Cartier National Park and offering popular outdoor activities such as kayaking, fishing, and hiking along its scenic valley.
-
D.
Shawinigan
Shawinigan is a city in the Mauricie region of Quebec, Canada, known for its industrial history along the Saint-Maurice River and its role as a regional economic and cultural center.
-
E.
Chaudière River
The Chaudière River is a significant river in Quebec, Canada, known for flowing northward through the Beauce region before emptying into the Saint Lawrence River near Quebec City.
- 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: Lac Saint-Charles Target entity description: Lac Saint-Charles is a freshwater lake north of Quebec City, Canada, known as an important recreational area and a major source of drinking water for the region.
-
A.
La Haute-Saint-Charles
La Haute-Saint-Charles is a residential and suburban borough located in the northern part of Quebec City, known for its green spaces and family-oriented neighborhoods.
-
B.
Saint-Charles River
The Saint-Charles River is an urban waterway in Quebec City known for its historic role in the city’s development and its riverside parks and trails.
-
C.
Jacques-Cartier River
The Jacques-Cartier River is a major river in southern Quebec, Canada, known for flowing through Jacques-Cartier National Park and offering popular outdoor activities such as kayaking, fishing, and hiking along its scenic valley.
-
D.
Shawinigan
Shawinigan is a city in the Mauricie region of Quebec, Canada, known for its industrial history along the Saint-Maurice River and its role as a regional economic and cultural center.
-
E.
Chaudière River
The Chaudière River is a significant river in Quebec, Canada, known for flowing northward through the Beauce region before emptying into the Saint Lawrence River near Quebec City.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
freshwater lake
ⓘ
lake ⓘ |
| basinCountry | Canada ⓘ |
| continent | North America ⓘ |
| country | Canada ⓘ |
| hasBiodiversity |
aquatic plants
ⓘ
freshwater fish species ⓘ waterfowl ⓘ |
| hasEcosystemType | freshwater ecosystem ⓘ |
| hasEnvironmentalConcern |
eutrophication risk
ⓘ
water quality protection ⓘ |
| hasNearbyCity | Quebec City ⓘ |
| hasNearbyUrbanArea | Quebec metropolitan area ⓘ |
| hasRecreationalActivity |
boating
ⓘ
canoeing ⓘ fishing ⓘ hiking along shore ⓘ ice fishing ⓘ kayaking ⓘ swimming ⓘ |
| hasRecreationInfrastructure |
beaches
ⓘ
boat ramps ⓘ docks ⓘ public access points ⓘ |
| hasShorelineSettlement | Lac-Saint-Charles (district of Quebec City) ⓘ |
| isImportantFor |
local recreation
ⓘ
regional drinking water supply ⓘ |
| isMajorSourceOfDrinkingWaterFor |
Quebec region
ⓘ
surface form:
Quebec City region
|
| isMonitoredBy |
Quebec City
ⓘ
surface form:
City of Quebec
|
| isMonitoredFor |
drinking water safety
ⓘ
environmental quality ⓘ |
| isProtectedFor | drinking water quality ⓘ |
| isSubjectOf | municipal water management policies ⓘ |
| languageOfToponym | French ⓘ |
| locatedIn |
Quebec, Canada
ⓘ
surface form:
Quebec
Quebec region ⓘ
surface form:
Quebec City region
|
| locatedInAdministrativeUnit |
Capitale-Nationale
ⓘ
province of Quebec ⓘ
surface form:
Province of Quebec
Quebec City ⓘ |
| locatedNorthOf | Quebec City ⓘ |
| outflow | Saint-Charles River ⓘ |
| partOf |
Saint-Charles River
ⓘ
surface form:
Saint-Charles River watershed
|
| use |
drinking water source
ⓘ
recreational area ⓘ |
| waterBodyType | natural lake ⓘ |
| waterType | freshwater ⓘ |
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: Lac Saint-Charles Description of subject: Lac Saint-Charles is a freshwater lake north of Quebec City, Canada, known as an important recreational area and a major source of drinking water for the region.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Lac-Saint-Charles