Ottawa River watershed
E325020
The Ottawa River watershed is the drainage basin that collects and channels water from a vast area of eastern Ontario and western Quebec into the Ottawa River, influencing regional ecosystems, water resources, and communities.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Ottawa River basin | 6 |
| Ottawa River watershed canonical | 5 |
| Ottawa River drainage basin | 2 |
| Ottawa River system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3079425 — 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: Ottawa River watershed Context triple: [Ottawa River, locatedInWatershed, Ottawa River watershed]
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A.
Ottawa River
The Ottawa River is a major waterway in eastern Canada that forms much of the border between Ontario and Quebec and is a key tributary of the Saint Lawrence River.
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B.
Grand River watershed
The Grand River watershed is the drainage basin of Michigan’s longest river, encompassing the land area whose surface water ultimately flows into the Grand River and then into Lake Michigan.
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C.
Ottawa Valley
The Ottawa Valley is a region in eastern Ontario, Canada, known for the Ottawa River, rural communities, and outdoor recreation such as hiking, canoeing, and camping.
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D.
Gatineau River
The Gatineau River is a major waterway in western Quebec that flows south through the Gatineau Valley before joining the Ottawa River near Canada’s National Capital Region.
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E.
Labrador River
The Labrador River is a major waterway in the Labrador region of eastern Canada, contributing significantly to the area's drainage system and natural landscape.
- 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: Ottawa River watershed Target entity description: The Ottawa River watershed is the drainage basin that collects and channels water from a vast area of eastern Ontario and western Quebec into the Ottawa River, influencing regional ecosystems, water resources, and communities.
-
A.
Ottawa River
The Ottawa River is a major waterway in eastern Canada that forms much of the border between Ontario and Quebec and is a key tributary of the Saint Lawrence River.
-
B.
Grand River watershed
The Grand River watershed is the drainage basin of Michigan’s longest river, encompassing the land area whose surface water ultimately flows into the Grand River and then into Lake Michigan.
-
C.
Ottawa Valley
The Ottawa Valley is a region in eastern Ontario, Canada, known for the Ottawa River, rural communities, and outdoor recreation such as hiking, canoeing, and camping.
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D.
Gatineau River
The Gatineau River is a major waterway in western Quebec that flows south through the Gatineau Valley before joining the Ottawa River near Canada’s National Capital Region.
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E.
Labrador River
The Labrador River is a major waterway in the Labrador region of eastern Canada, contributing significantly to the area's drainage system and natural landscape.
- F. None of above. chosen
Statements (53)
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: Ottawa River watershed Description of subject: The Ottawa River watershed is the drainage basin that collects and channels water from a vast area of eastern Ontario and western Quebec into the Ottawa River, influencing regional ecosystems, water resources, and communities.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Ottawa River basin
this entity surface form:
Ottawa River drainage basin
this entity surface form:
Ottawa River drainage basin
this entity surface form:
Ottawa River system
this entity surface form:
Ottawa River basin
this entity surface form:
Ottawa River basin
this entity surface form:
Ottawa River basin
this entity surface form:
Ottawa River basin
this entity surface form:
Ottawa River basin