Smith Mountain Dam
E657021
Smith Mountain Dam is a hydroelectric and pumped-storage dam in Virginia that creates Smith Mountain Lake on the Roanoke River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Smith Mountain Dam canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T6994929 — 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: Smith Mountain Dam Context triple: [Roanoke River, hasDam, Smith Mountain Dam]
-
A.
Apalachia Dam
Apalachia Dam is a hydroelectric dam in western North Carolina that impounds the Hiwassee River to generate power and help manage regional water resources.
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B.
Hiwassee Dam
Hiwassee Dam is a large hydroelectric dam in western North Carolina operated by the Tennessee Valley Authority, forming Hiwassee Lake and providing power, flood control, and recreation.
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C.
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.
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D.
South Holston Dam
South Holston Dam is a large Tennessee Valley Authority hydroelectric and flood-control dam on the South Fork Holston River in northeastern Tennessee.
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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: Smith Mountain Dam Target entity description: Smith Mountain Dam is a hydroelectric and pumped-storage dam in Virginia that creates Smith Mountain Lake on the Roanoke River.
-
A.
Apalachia Dam
Apalachia Dam is a hydroelectric dam in western North Carolina that impounds the Hiwassee River to generate power and help manage regional water resources.
-
B.
Hiwassee Dam
Hiwassee Dam is a large hydroelectric dam in western North Carolina operated by the Tennessee Valley Authority, forming Hiwassee Lake and providing power, flood control, and recreation.
-
C.
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.
-
D.
South Holston Dam
South Holston Dam is a large Tennessee Valley Authority hydroelectric and flood-control dam on the South Fork Holston River in northeastern Tennessee.
-
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 (48)
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: Smith Mountain Dam Description of subject: Smith Mountain Dam is a hydroelectric and pumped-storage dam in Virginia that creates Smith Mountain Lake on the Roanoke River.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.