Rumford Falls Dam
E355776
Rumford Falls Dam is a hydroelectric dam located at Rumford Falls on the Androscoggin River in Rumford, Maine.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Rumford Falls Dam canonical | 1 |
| Rumford Falls Hydroelectric Station | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3268388 — 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: Rumford Falls Dam Context triple: [Androscoggin River, hasDam, Rumford Falls Dam]
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A.
Watertown Dam
Watertown Dam is a historic low-head dam on the Charles River in Watertown, Massachusetts, that once powered local industry and now helps regulate river flow and fish passage.
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B.
Bellows Falls Dam
Bellows Falls Dam is a hydroelectric dam on the Connecticut River that provides power and helps regulate water flow near the village of Bellows Falls in Vermont.
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C.
Croton Falls Dam
Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
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D.
Skowhegan Dam
Skowhegan Dam is a hydroelectric dam on the Kennebec River in Skowhegan, Maine, used for power generation and river flow control.
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E.
Shawmut Dam
Shawmut Dam is a hydroelectric dam located on Maine’s Kennebec River, used for power generation and river flow management.
- 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: Rumford Falls Dam Target entity description: Rumford Falls Dam is a hydroelectric dam located at Rumford Falls on the Androscoggin River in Rumford, Maine.
-
A.
Watertown Dam
Watertown Dam is a historic low-head dam on the Charles River in Watertown, Massachusetts, that once powered local industry and now helps regulate river flow and fish passage.
-
B.
Bellows Falls Dam
Bellows Falls Dam is a hydroelectric dam on the Connecticut River that provides power and helps regulate water flow near the village of Bellows Falls in Vermont.
-
C.
Croton Falls Dam
Croton Falls Dam is a masonry gravity dam in Westchester County, New York, that forms the Croton Falls Reservoir as part of New York City’s water supply system.
-
D.
Skowhegan Dam
Skowhegan Dam is a hydroelectric dam on the Kennebec River in Skowhegan, Maine, used for power generation and river flow control.
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E.
Shawmut Dam
Shawmut Dam is a hydroelectric dam located on Maine’s Kennebec River, used for power generation and river flow management.
- F. None of above. chosen
Statements (29)
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: Rumford Falls Dam Description of subject: Rumford Falls Dam is a hydroelectric dam located at Rumford Falls on the Androscoggin River in Rumford, Maine.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Rumford Falls Hydroelectric Station