Apalachia Dam
E575931
Apalachia Dam is a hydroelectric dam in western North Carolina that impounds the Hiwassee River to generate power and help manage regional water resources.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Apalachia Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6025765 — 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: Apalachia Dam Context triple: [Hiwassee River, hasDam, Apalachia 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.
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.
Harriman Dam
Harriman Dam is a hydroelectric dam in Vermont that impounds the Deerfield River to form Harriman Reservoir, one of the state’s largest lakes.
-
D.
Chickamauga Dam
Chickamauga Dam is a Tennessee Valley Authority hydroelectric dam and navigation lock structure near Chattanooga, Tennessee, that helps generate power, control flooding, and improve river transportation on the Tennessee River.
-
E.
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.
- 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: Apalachia Dam Target entity description: Apalachia Dam is a hydroelectric dam in western North Carolina that impounds the Hiwassee River to generate power and help manage regional water resources.
-
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.
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.
Harriman Dam
Harriman Dam is a hydroelectric dam in Vermont that impounds the Deerfield River to form Harriman Reservoir, one of the state’s largest lakes.
-
D.
Chickamauga Dam
Chickamauga Dam is a Tennessee Valley Authority hydroelectric dam and navigation lock structure near Chattanooga, Tennessee, that helps generate power, control flooding, and improve river transportation on the Tennessee River.
-
E.
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.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| category |
Dams in North Carolina
ⓘ
Hydroelectric power plants in North Carolina ⓘ Tennessee Valley Authority dams NERFINISHED ⓘ |
| constructionBegan | 1941 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses | Hiwassee River NERFINISHED ⓘ |
| generates | electricity ⓘ |
| hasPowerPlant | Apalachia Hydroelectric Plant NERFINISHED ⓘ |
| hasSpillway | yes ⓘ |
| impounds | Hiwassee River NERFINISHED ⓘ |
| locatedIn |
Cherokee County, North Carolina
NERFINISHED
ⓘ
North Carolina ⓘ |
| locatedNear | Murphy, North Carolina NERFINISHED ⓘ |
| locatedOn | Hiwassee River NERFINISHED ⓘ |
| managedBy | Tennessee Valley Authority NERFINISHED ⓘ |
| openingDate | 1943 ⓘ |
| operator | Tennessee Valley Authority NERFINISHED ⓘ |
| ownedBy | Tennessee Valley Authority NERFINISHED ⓘ |
| partOf |
Hiwassee River watershed
NERFINISHED
ⓘ
Tennessee Valley Authority system ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ water resource management ⓘ |
| regionServed |
Tennessee Valley Authority service area
ⓘ
western North Carolina NERFINISHED ⓘ |
| river | Hiwassee 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: Apalachia Dam Description of subject: Apalachia Dam is a hydroelectric dam in western North Carolina that impounds the Hiwassee River to generate power and help manage regional water resources.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.