Leesville Dam
E658985
Leesville Dam is a hydroelectric and flood-control structure on the Roanoke River in Virginia that creates Leesville Lake.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Leesville Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6994930 — 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: Leesville Dam Context triple: [Roanoke River, hasDam, Leesville Dam]
-
A.
Nolin River Dam
Nolin River Dam is a flood-control and recreation dam located on the Nolin River in central Kentucky, forming Nolin River Lake.
-
B.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
-
C.
Jackson Bluff Dam
Jackson Bluff Dam is a hydroelectric dam on the Ochlockonee River in Florida, best known for impounding the river to form Lake Talquin.
-
D.
West Point Dam
West Point Dam is a large U.S. Army Corps of Engineers hydroelectric and flood-control dam on the Chattahoochee River, forming West Point Lake on the Alabama–Georgia border.
-
E.
Summersville Dam
Summersville Dam is a large rock-fill dam on the Gauley River in West Virginia, known for creating Summersville Lake and supporting popular whitewater recreation downstream.
- 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: Leesville Dam Target entity description: Leesville Dam is a hydroelectric and flood-control structure on the Roanoke River in Virginia that creates Leesville Lake.
-
A.
Nolin River Dam
Nolin River Dam is a flood-control and recreation dam located on the Nolin River in central Kentucky, forming Nolin River Lake.
-
B.
Forestville Dam
Forestville Dam is a hydroelectric and recreational dam located on the Dead River near Marquette in Michigan’s Upper Peninsula.
-
C.
Jackson Bluff Dam
Jackson Bluff Dam is a hydroelectric dam on the Ochlockonee River in Florida, best known for impounding the river to form Lake Talquin.
-
D.
West Point Dam
West Point Dam is a large U.S. Army Corps of Engineers hydroelectric and flood-control dam on the Chattahoochee River, forming West Point Lake on the Alabama–Georgia border.
-
E.
Summersville Dam
Summersville Dam is a large rock-fill dam on the Gauley River in West Virginia, known for creating Summersville Lake and supporting popular whitewater recreation downstream.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
dam
ⓘ
flood control structure ⓘ gravity dam ⓘ hydroelectric dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| createsReservoir | Leesville Lake NERFINISHED ⓘ |
| downstreamFrom | Smith Mountain Dam NERFINISHED ⓘ |
| forms | Leesville Lake NERFINISHED ⓘ |
| hasFunction | peaking power support for Smith Mountain Dam ⓘ |
| hasName | Leesville Dam NERFINISHED ⓘ |
| hasUse |
recreation on Leesville Lake
ⓘ
water level regulation on Roanoke River ⓘ |
| impounds | Roanoke River NERFINISHED ⓘ |
| locatedIn |
United States of America
ⓘ
surface form:
United States
Virginia ⓘ |
| locatedInWatershed | Roanoke River watershed NERFINISHED ⓘ |
| locatedNear | Leesville, Virginia NERFINISHED ⓘ |
| locatedOnRiver | Roanoke River NERFINISHED ⓘ |
| operator | Appalachian Power NERFINISHED ⓘ |
| owner | Appalachian Power NERFINISHED ⓘ |
| partOf |
Roanoke River basin
NERFINISHED
ⓘ
Smith Mountain–Leesville hydroelectric project NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ |
| region |
Bedford County, Virginia
NERFINISHED
ⓘ
Campbell County, Virginia NERFINISHED ⓘ Pittsylvania County, Virginia NERFINISHED ⓘ |
| reservoirName | Leesville Lake NERFINISHED ⓘ |
| watercourse | Roanoke 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: Leesville Dam Description of subject: Leesville Dam is a hydroelectric and flood-control structure on the Roanoke River in Virginia that creates Leesville Lake.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.