Watts Bar Lake
E108823
Watts Bar Lake is a large man-made reservoir in eastern Tennessee known for boating, fishing, and recreation, created by the impoundment of the Tennessee River.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Watts Bar Lake canonical | 16 |
| Watts Bar Reservoir | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T781468 — 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: Watts Bar Lake Context triple: [Tennessee River, formsReservoir, Watts Bar Lake]
-
A.
Guntersville Lake
Guntersville Lake is a large reservoir in northern Alabama known for its recreational boating, fishing, and scenic shoreline.
-
B.
Kentucky Lake
Kentucky Lake is a large man-made reservoir in western Kentucky and Tennessee, popular for boating, fishing, and recreation and known as one of the largest artificial lakes in the eastern United States.
-
C.
Franklin D. Roosevelt Lake
Franklin D. Roosevelt Lake is a large man-made reservoir on the Columbia River in Washington State, created by the construction of Grand Coulee Dam and used for hydroelectric power, irrigation, and recreation.
-
D.
Watts Bar Dam
Watts Bar Dam is a Tennessee Valley Authority hydroelectric and navigation dam on the Tennessee River in eastern Tennessee.
-
E.
Jordan Lake State Recreation Area
Jordan Lake State Recreation Area is a large North Carolina state park centered around a reservoir, popular for camping, boating, fishing, and wildlife viewing.
- 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: Watts Bar Lake Target entity description: Watts Bar Lake is a large man-made reservoir in eastern Tennessee known for boating, fishing, and recreation, created by the impoundment of the Tennessee River.
-
A.
Guntersville Lake
Guntersville Lake is a large reservoir in northern Alabama known for its recreational boating, fishing, and scenic shoreline.
-
B.
Kentucky Lake
Kentucky Lake is a large man-made reservoir in western Kentucky and Tennessee, popular for boating, fishing, and recreation and known as one of the largest artificial lakes in the eastern United States.
-
C.
Franklin D. Roosevelt Lake
Franklin D. Roosevelt Lake is a large man-made reservoir on the Columbia River in Washington State, created by the construction of Grand Coulee Dam and used for hydroelectric power, irrigation, and recreation.
-
D.
Watts Bar Dam
Watts Bar Dam is a Tennessee Valley Authority hydroelectric and navigation dam on the Tennessee River in eastern Tennessee.
-
E.
Jordan Lake State Recreation Area
Jordan Lake State Recreation Area is a large North Carolina state park centered around a reservoir, popular for camping, boating, fishing, and wildlife viewing.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
man-made lake
ⓘ
reservoir ⓘ tourist attraction ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| createdByDam | Watts Bar Dam ⓘ |
| fishSpecies |
catfish
ⓘ
crappie ⓘ largemouth bass ⓘ smallmouth bass ⓘ striped bass ⓘ |
| hasFacility |
boat ramps
ⓘ
campgrounds ⓘ marinas ⓘ public fishing areas ⓘ |
| hasShorelineType | reservoir shoreline ⓘ |
| impoundedBy | Tennessee Valley Authority ⓘ |
| inflow | Tennessee River ⓘ |
| knownFor |
boating
ⓘ
camping ⓘ fishing ⓘ lakeside vacation homes ⓘ water sports ⓘ |
| locatedIn | Tennessee ⓘ |
| locatedInCounty |
Loudon County, Tennessee
ⓘ
Meigs County, Tennessee ⓘ Rhea County, Tennessee ⓘ Roane County, Tennessee ⓘ |
| locatedInRegion |
Tennessee (eastern portion)
ⓘ
surface form:
eastern Tennessee
|
| locatedNear |
Kingston, Tennessee
ⓘ
Lenoir City ⓘ
surface form:
Lenoir City, Tennessee
Rockwood, Tennessee ⓘ Spring City, Tennessee ⓘ |
| operatorOfDam | Tennessee Valley Authority ⓘ |
| outflow | Tennessee River ⓘ |
| partOf |
Tennessee River navigation system
ⓘ
surface form:
Tennessee Valley Authority reservoir system
|
| partOfWatershed |
Mississippi River basin
ⓘ
surface form:
Mississippi River watershed
Ohio River basin ⓘ
surface form:
Ohio River watershed
|
| primaryUse |
flood control
ⓘ
hydroelectric power generation ⓘ navigation ⓘ recreation ⓘ |
| recreationActivity |
kayaking
ⓘ
picnicking ⓘ pleasure boating ⓘ sailing ⓘ swimming ⓘ |
| riverSystem |
Tennessee River
ⓘ
surface form:
Tennessee River system
|
| watercourse | Tennessee 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: Watts Bar Lake Description of subject: Watts Bar Lake is a large man-made reservoir in eastern Tennessee known for boating, fishing, and recreation, created by the impoundment of the Tennessee River.
Referenced by (17)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Watts Bar Reservoir
subject surface form:
Watts Bar
subject surface form:
Watts Bar