Gaston Dam
E661322
Gaston Dam is a hydroelectric dam on the Roanoke River in North Carolina that forms Lake Gaston and helps provide power and water management for the region.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Gaston Dam canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T6994932 — 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: Gaston Dam Context triple: [Roanoke River, hasDam, Gaston Dam]
-
A.
Leesville Dam
Leesville Dam is a hydroelectric and flood-control structure on the Roanoke River in Virginia that creates Leesville Lake.
-
B.
Hartwell Dam
Hartwell Dam is a large hydroelectric and flood-control dam on the Savannah River that creates Lake Hartwell along the Georgia–South Carolina border.
-
C.
Rollins Dam
Rollins Dam is a concrete gravity dam in Nevada County, California, that creates Rollins Reservoir for water storage, hydroelectric power generation, and recreation on the Bear River.
-
D.
Boone Dam
Boone Dam is a hydroelectric and flood-control dam in northeastern Tennessee that creates Boone Lake and is operated by the Tennessee Valley Authority.
-
E.
Buford Dam
Buford Dam is a large hydroelectric and flood-control dam in Georgia that creates Lake Lanier and helps regulate water flow and supply for the Atlanta metropolitan area.
- 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: Gaston Dam Target entity description: Gaston Dam is a hydroelectric dam on the Roanoke River in North Carolina that forms Lake Gaston and helps provide power and water management for the region.
-
A.
Leesville Dam
Leesville Dam is a hydroelectric and flood-control structure on the Roanoke River in Virginia that creates Leesville Lake.
-
B.
Hartwell Dam
Hartwell Dam is a large hydroelectric and flood-control dam on the Savannah River that creates Lake Hartwell along the Georgia–South Carolina border.
-
C.
Rollins Dam
Rollins Dam is a concrete gravity dam in Nevada County, California, that creates Rollins Reservoir for water storage, hydroelectric power generation, and recreation on the Bear River.
-
D.
Boone Dam
Boone Dam is a hydroelectric and flood-control dam in northeastern Tennessee that creates Boone Lake and is operated by the Tennessee Valley Authority.
-
E.
Buford Dam
Buford Dam is a large hydroelectric and flood-control dam in Georgia that creates Lake Lanier and helps regulate water flow and supply for the Atlanta metropolitan area.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| country |
United States
ⓘ
linked to:
United States of America
|
| createsWaterBody | Lake Gaston ⓘ |
| downstreamFrom | Kerr Dam ⓘ |
| formsReservoir | Lake Gaston ⓘ |
| hasFunction |
flow regulation for downstream projects
ⓘ
peak-load power generation ⓘ |
| hasUse |
navigation support downstream
ⓘ
support for municipal and industrial water supply ⓘ |
| isInfrastructureType | hydropower infrastructure ⓘ |
| isPartOf | regional power grid in the southeastern United States ⓘ |
| locatedIn | North Carolina ⓘ |
| locatedInWatershed |
Albemarle Sound watershed
ⓘ
linked to:
Albemarle Sound
|
| locatedNear |
Littleton, North Carolina
ⓘ
Roanoke Rapids, North Carolina ⓘ |
| locatedOnRiver | Roanoke River ⓘ |
| operator | Dominion Energy ⓘ |
| owner | Dominion Energy ⓘ |
| partOf | Roanoke River hydroelectric project ⓘ |
| provides |
electric power
ⓘ
water level regulation for Lake Gaston ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ recreation ⓘ water management ⓘ |
| regionServed |
North Carolina
ⓘ
Virginia ⓘ |
| riverBasin |
Roanoke River basin
ⓘ
linked to:
Roanoke River
|
| upstreamFrom | Roanoke Rapids Dam ⓘ |
| watercourse | Roanoke 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: Gaston Dam Description of subject: Gaston Dam is a hydroelectric dam on the Roanoke River in North Carolina that forms Lake Gaston and helps provide power and water management for the region.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.