Grand River watershed
E101147
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Grand River watershed canonical | 6 |
| Grand River | 3 |
| Grand River basin | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T691292 — 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: Grand River watershed Context triple: [Jackson, Michigan, locatedOn, Grand River watershed]
-
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.
Grande River
The Grande River is a watercourse in Chile’s Limarí Province that contributes to the region’s agricultural irrigation and local watershed.
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C.
Mississagi River
The Mississagi River is a major river in northern Ontario, Canada, that flows through rugged forested terrain before emptying into Lake Huron.
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D.
St. Marys River
The St. Marys River is a vital waterway forming part of the U.S.–Canada border, connecting Lake Superior to Lake Huron and hosting major shipping locks at Sault Ste. Marie.
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E.
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.
- 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: Grand River watershed Target entity description: 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.
-
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.
Grande River
The Grande River is a watercourse in Chile’s Limarí Province that contributes to the region’s agricultural irrigation and local watershed.
-
C.
Mississagi River
The Mississagi River is a major river in northern Ontario, Canada, that flows through rugged forested terrain before emptying into Lake Huron.
-
D.
St. Marys River
The St. Marys River is a vital waterway forming part of the U.S.–Canada border, connecting Lake Superior to Lake Huron and hosting major shipping locks at Sault Ste. Marie.
-
E.
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.
- F. None of above. chosen
Statements (52)
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: Grand River watershed Description of subject: 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.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Grand River
this entity surface form:
Grand River
this entity surface form:
Grand River
this entity surface form:
Grand River basin