Hudson Bay drainage basin
E390860
The Hudson Bay drainage basin is a vast watershed in northern North America that collects runoff from numerous rivers and lakes across Canada and parts of the United States, all ultimately flowing into Hudson Bay.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Hudson Bay drainage basin canonical | 25 |
| Hudson Bay watershed | 7 |
| Hudson Bay basin | 2 |
| Hudson Bay | 1 |
| Hudson Bay hydrological system | 1 |
| United States–Canada Red River basin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3789884 — 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: Hudson Bay drainage basin Context triple: [Lake Manitoba, partOf, Hudson Bay drainage basin]
-
A.
Mackenzie River Basin
The Mackenzie River Basin is a vast watershed in northwestern Canada that collects waters from much of the boreal forest and Arctic regions before draining into the Arctic Ocean.
-
B.
Hudson Bay
Hudson Bay is a vast inland sea in northeastern Canada, known for its subarctic climate, extensive ice cover, and crucial role in regional ecosystems and Indigenous cultures.
-
C.
Hudson Bay region
The Hudson Bay region is a vast, sparsely populated area in northeastern Canada centered around Hudson Bay, known for its subarctic climate, Indigenous communities, and historical role in early European exploration and the fur trade.
-
D.
Arctic drainage basin
The Arctic drainage basin is a vast hydrological region in the Northern Hemisphere whose rivers and streams ultimately flow into the Arctic Ocean and its marginal seas.
-
E.
Lake Agassiz basin
The Lake Agassiz basin is the vast prehistoric drainage area in central North America that once held glacial Lake Agassiz, one of the largest proglacial lakes in Earth’s history.
- 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: Hudson Bay drainage basin Target entity description: The Hudson Bay drainage basin is a vast watershed in northern North America that collects runoff from numerous rivers and lakes across Canada and parts of the United States, all ultimately flowing into Hudson Bay.
-
A.
Mackenzie River Basin
The Mackenzie River Basin is a vast watershed in northwestern Canada that collects waters from much of the boreal forest and Arctic regions before draining into the Arctic Ocean.
-
B.
Hudson Bay
Hudson Bay is a vast inland sea in northeastern Canada, known for its subarctic climate, extensive ice cover, and crucial role in regional ecosystems and Indigenous cultures.
-
C.
Hudson Bay region
The Hudson Bay region is a vast, sparsely populated area in northeastern Canada centered around Hudson Bay, known for its subarctic climate, Indigenous communities, and historical role in early European exploration and the fur trade.
-
D.
Arctic drainage basin
The Arctic drainage basin is a vast hydrological region in the Northern Hemisphere whose rivers and streams ultimately flow into the Arctic Ocean and its marginal seas.
-
E.
Lake Agassiz basin
The Lake Agassiz basin is the vast prehistoric drainage area in central North America that once held glacial Lake Agassiz, one of the largest proglacial lakes in Earth’s history.
- F. None of above. chosen
Statements (57)
| Predicate | Object |
|---|---|
| instanceOf |
drainage basin
ⓘ
watershed ⓘ |
| borders |
Arctic drainage basin
ⓘ
surface form:
Arctic Ocean drainage basin
Atlantic Ocean drainage basin ⓘ Gulf of Mexico watershed ⓘ
surface form:
Gulf of Mexico drainage basin
Pacific Ocean drainage basin ⓘ |
| country |
Canada
ⓘ
United States of America ⓘ |
| drainageAreaEstimate |
approximately 1,5 million square miles
ⓘ
approximately 3,9 million square kilometres ⓘ |
| drains |
large areas of the Canadian Shield
ⓘ
parts of the Interior Plains of North America ⓘ |
| drainsInto |
Hudson Bay
ⓘ
James Bay ⓘ Ungava Bay ⓘ |
| hasPart |
Albany River
ⓘ
surface form:
Albany River basin
Attawapiskat River ⓘ
surface form:
Attawapiskat River basin
Nottaway River basin ⓘ
surface form:
Broadback River basin
Churchill River ⓘ
surface form:
Churchill River basin
Eastmain River ⓘ
surface form:
Eastmain River basin
Great Lakes drainage to Hudson Bay via Nelson River ⓘ Great Whale River basin ⓘ Hayes River basin ⓘ Koksoak River basin ⓘ La Grande River ⓘ
surface form:
La Grande River basin
Moose River ⓘ
surface form:
Moose River basin
Nelson River ⓘ
surface form:
Nelson River basin
Nottaway River basin ⓘ Pontax River basin ⓘ Red River of the North region ⓘ
surface form:
Red River of the North basin
Rupert River basin ⓘ Saskatchewan River ⓘ
surface form:
Saskatchewan River basin
Severn River (Ontario) ⓘ
surface form:
Severn River (Ontario) basin
Thlewiaza River basin ⓘ Winisk River ⓘ
surface form:
Winisk River basin
Winnipeg River ⓘ
surface form:
Winnipeg River basin
|
| includesTerritoryOf |
Alberta
ⓘ
Idaho ⓘ Manitoba ⓘ Upper Peninsula of Michigan ⓘ
surface form:
Michigan (Upper Peninsula)
Minnesota ⓘ Montana ⓘ North Dakota ⓘ Northwest Territories ⓘ Nunavut ⓘ Ontario ⓘ Oregon ⓘ Quebec, Canada ⓘ
surface form:
Quebec
Saskatchewan ⓘ South Dakota ⓘ Washington ⓘ
surface form:
Washington (state)
Wyoming ⓘ |
| locatedIn |
Canada
ⓘ
North America ⓘ United States of America ⓘ
surface form:
United States
|
| notableFor | being one of the largest drainage basins in the world ⓘ |
| partOf | Arctic Ocean drainage system ⓘ |
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: Hudson Bay drainage basin Description of subject: The Hudson Bay drainage basin is a vast watershed in northern North America that collects runoff from numerous rivers and lakes across Canada and parts of the United States, all ultimately flowing into Hudson Bay.
Referenced by (37)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
United States–Canada Red River basin
this entity surface form:
Hudson Bay watershed
this entity surface form:
Hudson Bay basin
subject surface form:
Central Canada
this entity surface form:
Hudson Bay watershed
this entity surface form:
Hudson Bay watershed
subject surface form:
Laurentide Ice Sheet
this entity surface form:
Hudson Bay basin
this entity surface form:
Hudson Bay watershed
this entity surface form:
Hudson Bay hydrological system
this entity surface form:
Hudson Bay watershed
this entity surface form:
Hudson Bay watershed
this entity surface form:
Hudson Bay
this entity surface form:
Hudson Bay watershed