St. Marys River
E50132
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.
All labels observed (10)
How this entity was disambiguated
This entity first appeared as the object of triple T60686 — 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: St. Marys River Context triple: [Lake Superior, hasOutflow, St. Marys River]
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A.
Pere Marquette River
The Pere Marquette River is a scenic, free-flowing river in western Michigan renowned for its trout and salmon fishing, paddling opportunities, and largely undeveloped natural surroundings.
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B.
Don River
The Don River is a significant waterway in Toronto, Ontario, that flows south through the city into Lake Ontario and has played an important role in its urban and environmental history.
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C.
Manitowoc River
The Manitowoc River is a river in eastern Wisconsin that flows through Manitowoc County and empties into Lake Michigan at the city of Manitowoc.
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D.
St. Joseph River
The St. Joseph River is a major river in the Midwestern United States that flows through Michigan and Indiana before emptying into Lake Michigan at the city of St. Joseph, Michigan.
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E.
Grand River (Michigan)
Grand River (Michigan) is the longest river entirely within the U.S. state of Michigan, flowing westward across the Lower Peninsula before emptying into Lake Michigan at Grand Haven.
- 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: St. Marys River Target entity description: 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.
-
A.
Pere Marquette River
The Pere Marquette River is a scenic, free-flowing river in western Michigan renowned for its trout and salmon fishing, paddling opportunities, and largely undeveloped natural surroundings.
-
B.
Don River
The Don River is a significant waterway in Toronto, Ontario, that flows south through the city into Lake Ontario and has played an important role in its urban and environmental history.
-
C.
Manitowoc River
The Manitowoc River is a river in eastern Wisconsin that flows through Manitowoc County and empties into Lake Michigan at the city of Manitowoc.
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D.
St. Joseph River
The St. Joseph River is a major river in the Midwestern United States that flows through Michigan and Indiana before emptying into Lake Michigan at the city of St. Joseph, Michigan.
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E.
Grand River (Michigan)
Grand River (Michigan) is the longest river entirely within the U.S. state of Michigan, flowing westward across the Lower Peninsula before emptying into Lake Michigan at Grand Haven.
- F. None of above. chosen
Statements (48)
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: St. Marys River Description of subject: 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.
Referenced by (43)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: St. Marys River
subject linked to:
containing Manitoulin Island, the world’s largest freshwater island
subject linked to:
Sault Ste. Marie, Ontario, Canada
linked to: St. Marys River
linked to: St. Marys River
subject linked to:
Great Lakes waterway
linked to: St. Marys River
linked to: St. Marys River
linked to: St. Marys River
linked to: St. Marys River
subject linked to:
US Highway 2
linked to: St. Marys River
linked to: St. Marys River
linked to: St. Marys River