Tennessee Valley Authority
E136
The Tennessee Valley Authority is a federally owned U.S. corporation created during the New Deal to provide regional economic development, flood control, and electricity generation in the Tennessee Valley.
All labels observed (20)
How this entity was disambiguated
This entity first appeared as the object of triple T1857 — 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: Tennessee Valley Authority Context triple: [Franklin D. Roosevelt, notablePolicy, Tennessee Valley Authority]
-
A.
National Science Foundation
The National Science Foundation is an independent U.S. government agency that funds and promotes fundamental research and education in all non-medical fields of science and engineering.
-
B.
Carnegie endowment trust
The Carnegie endowment trust is a philanthropic foundation established by Andrew Carnegie to fund scientific, educational, and charitable initiatives, including institutions like the Carnegie Institution of Washington.
-
C.
Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
-
D.
Carnegie Institution of Washington
The Carnegie Institution of Washington is a private, nonprofit scientific research organization founded by Andrew Carnegie that supports advanced research across fields such as astronomy, biology, and earth sciences.
-
E.
Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
- 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: Tennessee Valley Authority Target entity description: The Tennessee Valley Authority is a federally owned U.S. corporation created during the New Deal to provide regional economic development, flood control, and electricity generation in the Tennessee Valley.
-
A.
National Science Foundation
The National Science Foundation is an independent U.S. government agency that funds and promotes fundamental research and education in all non-medical fields of science and engineering.
-
B.
Carnegie endowment trust
The Carnegie endowment trust is a philanthropic foundation established by Andrew Carnegie to fund scientific, educational, and charitable initiatives, including institutions like the Carnegie Institution of Washington.
-
C.
Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
-
D.
Carnegie Institution of Washington
The Carnegie Institution of Washington is a private, nonprofit scientific research organization founded by Andrew Carnegie that supports advanced research across fields such as astronomy, biology, and earth sciences.
-
E.
Washington, D.C.
Washington, D.C. is the capital city of the United States, serving as the nation’s political center and home to its federal government institutions.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
New Deal agency
ⓘ
electric utility ⓘ federally owned corporation ⓘ |
| approvedBy |
President Franklin D. Roosevelt
ⓘ
surface form:
Franklin D. Roosevelt
|
| country |
United States of America
ⓘ
surface form:
United States
|
| createdBy |
Tennessee Valley Authority
self-linksurface differs
ⓘ
surface form:
Tennessee Valley Authority Act of 1933
|
| customerType |
large industrial customers
ⓘ
local power companies ⓘ |
| foundedBy |
United States government
ⓘ
surface form:
United States federal government
|
| foundedDuring | New Deal ⓘ |
| hasJurisdictionOver |
Tennessee River
ⓘ
Tennessee Valley ⓘ
surface form:
Tennessee River watershed
|
| hasPart |
TVA power system
ⓘ
TVA river system ⓘ |
| headquartersLocation | Knoxville, Tennessee ⓘ |
| inception | 1933 ⓘ |
| industry |
electric power industry
ⓘ
public utilities ⓘ |
| keyPerson | chief executive officer of TVA ⓘ |
| legalForm | government-owned corporation ⓘ |
| legislatedBy | United States Congress ⓘ |
| locatedInTimeZone |
Central Time Zone
ⓘ
Eastern Time Zone ⓘ |
| manages | flood risk in the Tennessee Valley ⓘ |
| namedAfter | Tennessee Valley ⓘ |
| operates |
coal-fired power plants
ⓘ
hydroelectric dams ⓘ natural gas power plants ⓘ nuclear power plants ⓘ renewable energy facilities ⓘ |
| ownedBy |
United States government
ⓘ
surface form:
United States federal government
|
| partOf |
New Deal
ⓘ
surface form:
New Deal programs
|
| provides | wholesale electric power ⓘ |
| purpose |
economic development
ⓘ
electricity generation ⓘ flood control ⓘ natural resource management ⓘ navigation improvement ⓘ rural electrification ⓘ |
| regionServed |
Alabama
ⓘ
Georgia ⓘ Kentucky ⓘ Mississippi ⓘ Province of North Carolina ⓘ
surface form:
North Carolina
Tennessee ⓘ Virginia ⓘ |
| regulates | river navigation in the Tennessee Valley ⓘ |
| serves | Tennessee Valley ⓘ |
| shortName |
Tennessee Valley Authority
self-linksurface differs
ⓘ
surface form:
TVA
|
| website | https://www.tva.com/ ⓘ |
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: Tennessee Valley Authority Description of subject: The Tennessee Valley Authority is a federally owned U.S. corporation created during the New Deal to provide regional economic development, flood control, and electricity generation in the Tennessee Valley.
Referenced by (147)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Franklin D. Roosevelt
this entity surface form:
Tennessee Valley Authority Act of 1933
this entity surface form:
TVA
subject surface form:
Hundred Days (FDR)
this entity surface form:
Tennessee Valley Authority Act
this entity surface form:
Tennessee Valley Authority Act
this entity surface form:
Tennessee Valley Authority board
this entity surface form:
Tennessee Valley Authority system
this entity surface form:
Tennessee Valley Authority power system
this entity surface form:
Tennessee Valley Authority power system
this entity surface form:
Tennessee Valley Authority navigation system
this entity surface form:
Tennessee Valley Authority system
this entity surface form:
Tennessee Valley Authority power grid
this entity surface form:
Tennessee Valley Authority system
this entity surface form:
Tennessee Valley Authority system
this entity surface form:
Tennessee Valley Authority waterway system
this entity surface form:
Tennessee Valley Authority service area
this entity surface form:
TVA navigation locks network
this entity surface form:
Tennessee Valley Authority system
this entity surface form:
Tennessee Valley Authority system