Niagara River
E58010
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.
All labels observed (15)
How this entity was disambiguated
This entity first appeared as the object of triple T174962 — 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: Niagara River Context triple: [Ontario, containsRiver, Niagara 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.
Hudson River
The Hudson River is a major waterway in eastern New York State that flows south past cities like Albany and New York City before emptying into the Atlantic Ocean at New York Harbor.
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C.
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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D.
Mohawk River
The Mohawk River is a major waterway in upstate New York that flows eastward through the Mohawk Valley and serves as a key route connecting the Great Lakes region to the Hudson River.
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E.
Erie Canal
The Erie Canal is a historic man-made waterway in New York State that opened in 1825, linking the Great Lakes to the Atlantic Ocean and transforming U.S. commerce and westward expansion.
- 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: Niagara River Target entity description: 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.
-
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.
-
B.
Hudson River
The Hudson River is a major waterway in eastern New York State that flows south past cities like Albany and New York City before emptying into the Atlantic Ocean at New York Harbor.
-
C.
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.
-
D.
Mohawk River
The Mohawk River is a major waterway in upstate New York that flows eastward through the Mohawk Valley and serves as a key route connecting the Great Lakes region to the Hudson River.
-
E.
Erie Canal
The Erie Canal is a historic man-made waterway in New York State that opened in 1825, linking the Great Lakes to the Atlantic Ocean and transforming U.S. commerce and westward expansion.
- F. None of above. chosen
Statements (50)
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: Niagara River Description of subject: 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.
Referenced by (149)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Niagara River portage route
subject surface form:
Grand Island, New York
subject surface form:
Grand Island, New York
subject surface form:
Grand Island, New York
subject surface form:
Grand Island, New York
this entity surface form:
Niagara River watershed
this entity surface form:
Niagara River channels
this entity surface form:
Lower Niagara River