Old Hickory Dam
E888375
Old Hickory Dam is a hydroelectric and navigation dam on the Cumberland River in Tennessee that creates Old Hickory Lake and helps control flooding and support regional water needs.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Old Hickory Dam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10255772 — 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: Old Hickory Dam Context triple: [Cumberland River, hasDam, Old Hickory Dam]
-
A.
High Rock Dam
High Rock Dam is a hydroelectric dam in North Carolina that impounds the Yadkin River to form High Rock Lake, a major reservoir for power generation and recreation.
-
B.
Granger Dam
Granger Dam is a flood-control and water-management structure located on the San Gabriel River in Southern California.
-
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.
Jennings Randolph Dam
Jennings Randolph Dam is a large earthen flood-control and water-supply dam on the North Branch Potomac River along the Maryland–West Virginia border in the United States.
-
E.
J. Percy Priest Dam
J. Percy Priest Dam is a U.S. Army Corps of Engineers flood control and hydroelectric dam on the Stones River near Nashville, 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: Old Hickory Dam Target entity description: Old Hickory Dam is a hydroelectric and navigation dam on the Cumberland River in Tennessee that creates Old Hickory Lake and helps control flooding and support regional water needs.
-
A.
High Rock Dam
High Rock Dam is a hydroelectric dam in North Carolina that impounds the Yadkin River to form High Rock Lake, a major reservoir for power generation and recreation.
-
B.
Granger Dam
Granger Dam is a flood-control and water-management structure located on the San Gabriel River in Southern California.
-
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.
Jennings Randolph Dam
Jennings Randolph Dam is a large earthen flood-control and water-supply dam on the North Branch Potomac River along the Maryland–West Virginia border in the United States.
-
E.
J. Percy Priest Dam
J. Percy Priest Dam is a U.S. Army Corps of Engineers flood control and hydroelectric dam on the Stones River near Nashville, Tennessee.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
gravity dam
ⓘ
hydroelectric dam ⓘ navigation dam ⓘ |
| constructionStartDate | 1952 ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createsReservoir | Old Hickory Lake NERFINISHED ⓘ |
| energySource | hydropower ⓘ |
| hasFunction |
flow regulation
ⓘ
regional water management ⓘ river level control ⓘ |
| hasNameOrigin | named after Andrew Jackson, nicknamed "Old Hickory" ⓘ |
| hasNavigationLock | yes ⓘ |
| hasSpillway | yes ⓘ |
| isPartOf | U.S. Army Corps of Engineers Nashville District projects NERFINISHED ⓘ |
| locatedIn | Tennessee ⓘ |
| locatedInCounty |
Davidson County, Tennessee
NERFINISHED
ⓘ
Sumner County, Tennessee NERFINISHED ⓘ Trousdale County, Tennessee NERFINISHED ⓘ Wilson County, Tennessee NERFINISHED ⓘ |
| locatedNear |
Hendersonville, Tennessee
NERFINISHED
ⓘ
Old Hickory, Tennessee NERFINISHED ⓘ |
| locatedOnRiver | Cumberland River NERFINISHED ⓘ |
| managingAgency | U.S. Army Corps of Engineers NERFINISHED ⓘ |
| navigationLockOperator | U.S. Army Corps of Engineers NERFINISHED ⓘ |
| nearCity | Nashville, Tennessee NERFINISHED ⓘ |
| openingDate | 1957 ⓘ |
| operatedByDistrict | U.S. Army Corps of Engineers Nashville District NERFINISHED ⓘ |
| operator | U.S. Army Corps of Engineers NERFINISHED ⓘ |
| partOfSystem | Cumberland River reservoir system NERFINISHED ⓘ |
| purpose |
flood control
ⓘ
hydroelectric power generation ⓘ navigation ⓘ recreation ⓘ water supply ⓘ |
| region | Middle Tennessee NERFINISHED ⓘ |
| reservoirLocatedIn | Tennessee NERFINISHED ⓘ |
| reservoirName | Old Hickory Lake NERFINISHED ⓘ |
| reservoirUse |
industrial water supply
ⓘ
municipal water supply ⓘ recreational use ⓘ |
| riverBasin | Cumberland River Basin NERFINISHED ⓘ |
| supportsActivity |
commercial navigation
ⓘ
flood-risk management ⓘ recreational boating ⓘ sport fishing ⓘ |
| waterBodyTypeCreated | reservoir ⓘ |
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: Old Hickory Dam Description of subject: Old Hickory Dam is a hydroelectric and navigation dam on the Cumberland River in Tennessee that creates Old Hickory Lake and helps control flooding and support regional water needs.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.