Ottawa River
E64218
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.
All labels observed (13)
How this entity was disambiguated
This entity first appeared as the object of triple T174961 — 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 Context triple: [Ontario, containsRiver, Ottawa River]
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A.
Saint Lawrence River
The Saint Lawrence River is a major North American waterway that connects the Great Lakes to the Atlantic Ocean and serves as a vital commercial and cultural corridor for Canada and the United States.
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B.
Mackenzie River
The Mackenzie River is the longest river system in Canada, flowing through the Northwest Territories to the Arctic Ocean and draining a vast portion of northwestern North America.
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C.
Humber River
The Humber River is a significant waterway in Toronto, Ontario, flowing through the city into Lake Ontario and serving as an important natural, recreational, and historical corridor.
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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.
Niagara River
The Niagara River is a short but powerful river in North America that flows from Lake Erie to Lake Ontario and is renowned for forming the famous Niagara Falls along the U.S.–Canada border.
- 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 Target entity description: 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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A.
Saint Lawrence River
The Saint Lawrence River is a major North American waterway that connects the Great Lakes to the Atlantic Ocean and serves as a vital commercial and cultural corridor for Canada and the United States.
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B.
Mackenzie River
The Mackenzie River is the longest river system in Canada, flowing through the Northwest Territories to the Arctic Ocean and draining a vast portion of northwestern North America.
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C.
Humber River
The Humber River is a significant waterway in Toronto, Ontario, flowing through the city into Lake Ontario and serving as an important natural, recreational, and historical corridor.
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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.
Niagara River
The Niagara River is a short but powerful river in North America that flows from Lake Erie to Lake Ontario and is renowned for forming the famous Niagara Falls along the U.S.–Canada border.
- F. None of above. chosen
Statements (49)
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 Description of subject: 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.
Referenced by (320)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Ottawa River
subject linked to:
National Capital Region
linked to: Ottawa River
linked to: Ottawa River
linked to: Ottawa River
subject linked to:
central Canada
subject linked to:
Thurso, Quebec, Canada
subject linked to:
statue of Queen Victoria