Massena Dam
E848193
Massena Dam is a hydroelectric and flood-control structure on the Raquette River in northern New York, contributing to regional power generation and water management.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Massena Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9538230 — 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: Massena Dam Context triple: [Raquette River, hasDam, Massena Dam]
-
A.
Lewiston Dam
Lewiston Dam is a concrete structure on the Trinity River in Northern California that forms Lewiston Lake and helps regulate water storage and diversion within the Trinity River Basin.
-
B.
Monticello Dam
Monticello Dam is a large concrete arch dam in Napa County, California, that creates Lake Berryessa and provides water storage, flood control, and hydroelectric power.
-
C.
Irving Dam
Irving Dam is a man-made structure on Michigan’s Thornapple River used primarily for water level control and related river management.
-
D.
Gardiner Dam
Gardiner Dam is one of Canada's largest earth-filled dams, located in Saskatchewan and forming Lake Diefenbaker for hydroelectric power, irrigation, and flood control.
-
E.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
- 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: Massena Dam Target entity description: Massena Dam is a hydroelectric and flood-control structure on the Raquette River in northern New York, contributing to regional power generation and water management.
-
A.
Lewiston Dam
Lewiston Dam is a concrete structure on the Trinity River in Northern California that forms Lewiston Lake and helps regulate water storage and diversion within the Trinity River Basin.
-
B.
Monticello Dam
Monticello Dam is a large concrete arch dam in Napa County, California, that creates Lake Berryessa and provides water storage, flood control, and hydroelectric power.
-
C.
Irving Dam
Irving Dam is a man-made structure on Michigan’s Thornapple River used primarily for water level control and related river management.
-
D.
Gardiner Dam
Gardiner Dam is one of Canada's largest earth-filled dams, located in Saskatchewan and forming Lake Diefenbaker for hydroelectric power, irrigation, and flood control.
-
E.
Conklingville Dam
Conklingville Dam is a concrete gravity dam in New York that created the Great Sacandaga Lake reservoir for flood control and hydroelectric power generation.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
flood control structure
ⓘ
hydroelectric dam ⓘ |
| contributesTo |
regional power generation
ⓘ
water management ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| energySource | hydropower ⓘ |
| hasFunction |
flood control
ⓘ
hydroelectric power generation ⓘ |
| isPartOf | regional hydroelectric system ⓘ |
| locatedIn |
New York
NERFINISHED
ⓘ
northern New York ⓘ |
| locatedInCountry |
United States of America
ⓘ
surface form:
United States
|
| locatedInRegion | North Country (New York) NERFINISHED ⓘ |
| locatedNear | Massena, New York NERFINISHED ⓘ |
| locatedOnRiver | Raquette River NERFINISHED ⓘ |
| purpose |
electricity production
ⓘ
flood mitigation ⓘ flow regulation ⓘ |
| regionServed | northern New York ⓘ |
| riverBasin | Raquette River basin NERFINISHED ⓘ |
| sector |
energy
ⓘ
water management ⓘ |
| typeOfPowerStation | hydroelectric power station ⓘ |
| usesResource | Raquette River flow ⓘ |
| watercourse | Raquette River NERFINISHED ⓘ |
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: Massena Dam Description of subject: Massena Dam is a hydroelectric and flood-control structure on the Raquette River in northern New York, contributing to regional power generation and water management.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.