Dead River hydroelectric system
E812259
The Dead River hydroelectric system is a network of dams and power stations on Maine’s Dead River that generates hydroelectric power and helps regulate regional water levels.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Dead River hydroelectric system canonical | 3 |
| Dead River hydropower system | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9642411 — 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: Dead River hydroelectric system Context triple: [McClure Dam, partOf, Dead River hydroelectric system]
-
A.
Nunn hydroelectric plant
The Nunn hydroelectric plant is an early hydroelectric power station in Utah notable for pioneering long-distance high-voltage power transmission to support mining and regional development.
-
B.
Churchill River hydroelectric system
The Churchill River hydroelectric system is a large-scale network of dams, reservoirs, and power stations in Labrador, Canada, developed to harness the Churchill River’s flow for electricity generation.
-
C.
Flix hydroelectric plant
The Flix hydroelectric plant is a hydroelectric power station located in the municipality of Flix in Catalonia, Spain, generating electricity from the flow of the Ebro River.
-
D.
Snake River hydropower system
The Snake River hydropower system is a network of dams and related infrastructure along the Snake River that generates hydroelectric power, supports irrigation, and influences regional water management and ecosystems in the Pacific Northwest.
-
E.
Cushman Hydroelectric Project
The Cushman Hydroelectric Project is a hydroelectric power generation system in Washington State that uses Lake Cushman and associated dams and facilities to produce electricity.
- 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: Dead River hydroelectric system Target entity description: The Dead River hydroelectric system is a network of dams and power stations on Maine’s Dead River that generates hydroelectric power and helps regulate regional water levels.
-
A.
Nunn hydroelectric plant
The Nunn hydroelectric plant is an early hydroelectric power station in Utah notable for pioneering long-distance high-voltage power transmission to support mining and regional development.
-
B.
Churchill River hydroelectric system
The Churchill River hydroelectric system is a large-scale network of dams, reservoirs, and power stations in Labrador, Canada, developed to harness the Churchill River’s flow for electricity generation.
-
C.
Flix hydroelectric plant
The Flix hydroelectric plant is a hydroelectric power station located in the municipality of Flix in Catalonia, Spain, generating electricity from the flow of the Ebro River.
-
D.
Snake River hydropower system
The Snake River hydropower system is a network of dams and related infrastructure along the Snake River that generates hydroelectric power, supports irrigation, and influences regional water management and ecosystems in the Pacific Northwest.
-
E.
Cushman Hydroelectric Project
The Cushman Hydroelectric Project is a hydroelectric power generation system in Washington State that uses Lake Cushman and associated dams and facilities to produce electricity.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
dam and reservoir system
ⓘ
hydroelectric power system ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| country |
United States
ⓘ
linked to:
United States of America
|
| energySource | hydropower ⓘ |
| hasEffect |
supports flood control and flow management
ⓘ
supports regional electricity supply ⓘ |
| hasPart |
network of dams
ⓘ
network of hydroelectric power stations ⓘ |
| industry | electric power industry ⓘ |
| locatedIn |
Dead River
ⓘ
Maine ⓘ United States ⓘ
linked to:
United States of America
|
| locatedInAdministrativeTerritorialEntity |
Franklin County, Maine
ⓘ
Somerset County, Maine ⓘ |
| locatedInRegion | New England ⓘ |
| partOf | Kennebec River watershed ⓘ |
| purpose |
flow regulation
ⓘ
hydroelectric power generation ⓘ water level regulation ⓘ |
| regulates |
downstream flows in the Kennebec River watershed
ⓘ
regional water levels ⓘ |
| river | Dead River ⓘ |
| uses | potential energy of impounded water ⓘ |
| watercourse | Dead River ⓘ |
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: Dead River hydroelectric system Description of subject: The Dead River hydroelectric system is a network of dams and power stations on Maine’s Dead River that generates hydroelectric power and helps regulate regional water levels.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Dead River hydroelectric system