Mattawamkeag River
E582179
The Mattawamkeag River is a river in Maine that flows through largely forested, rural areas before joining the Penobscot River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mattawamkeag River canonical | 7 |
How this entity was disambiguated
This entity first appeared as the object of triple T4426908 — 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: Mattawamkeag River Context triple: [Penobscot River, tributary, Mattawamkeag River]
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A.
Raquette River
The Raquette River is a major river in northern New York’s Adirondack region, known for its long, scenic course and popularity for paddling and outdoor recreation.
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B.
Madawaska River
The Madawaska River is a significant river in eastern Ontario, Canada, known for its hydroelectric dams, whitewater paddling, and scenic course through the Ottawa Valley.
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C.
Mattagami River
The Mattagami River is a major river in northeastern Ontario, Canada, that flows southward through several communities and supports hydroelectric power generation before joining the Moose River system.
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D.
Contoocook River
The Contoocook River is a scenic river in southern New Hampshire known for its northward flow and popular recreational activities such as fishing, paddling, and whitewater boating.
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E.
Aroostook River
The Aroostook River is a major tributary of the Saint John River flowing through northern Maine and western New Brunswick, known for its scenic valleys and recreational fishing and paddling.
- 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: Mattawamkeag River Target entity description: The Mattawamkeag River is a river in Maine that flows through largely forested, rural areas before joining the Penobscot River.
-
A.
Raquette River
The Raquette River is a major river in northern New York’s Adirondack region, known for its long, scenic course and popularity for paddling and outdoor recreation.
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B.
Madawaska River
The Madawaska River is a significant river in eastern Ontario, Canada, known for its hydroelectric dams, whitewater paddling, and scenic course through the Ottawa Valley.
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C.
Mattagami River
The Mattagami River is a major river in northeastern Ontario, Canada, that flows southward through several communities and supports hydroelectric power generation before joining the Moose River system.
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D.
Contoocook River
The Contoocook River is a scenic river in southern New Hampshire known for its northward flow and popular recreational activities such as fishing, paddling, and whitewater boating.
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E.
Aroostook River
The Aroostook River is a major tributary of the Saint John River flowing through northern Maine and western New Brunswick, known for its scenic valleys and recreational fishing and paddling.
- F. None of above. chosen
Statements (46)
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: Mattawamkeag River Description of subject: The Mattawamkeag River is a river in Maine that flows through largely forested, rural areas before joining the Penobscot River.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.