GPU Nuclear
E807778
GPU Nuclear was an American nuclear power company best known for operating the Three Mile Island plant during the 1979 partial meltdown accident.
All labels observed (1)
| Label | Occurrences |
|---|---|
| GPU Nuclear canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9560148 — 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: GPU Nuclear Context triple: [Three Mile Island Nuclear Generating Station, previousOperator, GPU Nuclear]
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A.
GPU
The GPU (State Political Directorate) was the Soviet Union’s early secret police and intelligence agency that operated in the 1920s, overseeing political repression and internal security before later reorganizations.
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B.
GPU
GPU is the vehicle registration code used on license plates for cars registered in Poland’s Pomeranian Voivodeship.
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C.
GPU
A GPU (Graphics Processing Unit) is a highly parallel processor originally designed for rendering graphics that is now widely used to accelerate compute-intensive tasks such as machine learning, scientific simulations, and video processing.
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D.
GPUS
GPUS is a progressive U.S. political party focused on environmentalism, social justice, grassroots democracy, and nonviolence.
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E.
AMD Radeon GCN-based GPU
The AMD Radeon GCN-based GPU is a graphics processor architecture from AMD’s Graphics Core Next family, widely used in gaming consoles and PCs for efficient, parallel graphics and compute performance.
- 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: GPU Nuclear Target entity description: GPU Nuclear was an American nuclear power company best known for operating the Three Mile Island plant during the 1979 partial meltdown accident.
-
A.
GPU
The GPU (State Political Directorate) was the Soviet Union’s early secret police and intelligence agency that operated in the 1920s, overseeing political repression and internal security before later reorganizations.
-
B.
GPU
GPU is the vehicle registration code used on license plates for cars registered in Poland’s Pomeranian Voivodeship.
-
C.
GPU
A GPU (Graphics Processing Unit) is a highly parallel processor originally designed for rendering graphics that is now widely used to accelerate compute-intensive tasks such as machine learning, scientific simulations, and video processing.
-
D.
GPUS
GPUS is a progressive U.S. political party focused on environmentalism, social justice, grassroots democracy, and nonviolence.
-
E.
AMD Radeon GCN-based GPU
The AMD Radeon GCN-based GPU is a graphics processor architecture from AMD’s Graphics Core Next family, widely used in gaming consoles and PCs for efficient, parallel graphics and compute performance.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf | nuclear power company ⓘ |
| activity | operation of commercial nuclear reactors ⓘ |
| alsoKnownAs | GPU Nuclear Corporation NERFINISHED ⓘ |
| associatedWith |
nuclear safety reforms in the United States
ⓘ
public concern over nuclear power after 1979 ⓘ |
| basedIn |
Parsippany, New Jersey
NERFINISHED
ⓘ
Reading, Pennsylvania NERFINISHED ⓘ |
| cleanupResponsibility | Three Mile Island Unit 2 decontamination and cleanup ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| faced |
financial liabilities related to Three Mile Island cleanup
ⓘ
legal proceedings after Three Mile Island accident ⓘ |
| headquartersLocation | Pennsylvania NERFINISHED ⓘ |
| industry | nuclear power ⓘ |
| locationCountry |
United States of America
ⓘ
surface form:
United States
|
| notableFor | operation of Three Mile Island during 1979 partial meltdown ⓘ |
| operated |
Oyster Creek Nuclear Generating Station
NERFINISHED
ⓘ
Saxton Nuclear Experimental Corporation reactor NERFINISHED ⓘ Three Mile Island Nuclear Generating Station NERFINISHED ⓘ |
| operatedDuring | Three Mile Island accident NERFINISHED ⓘ |
| owned |
Three Mile Island Unit 1
NERFINISHED
ⓘ
Three Mile Island Unit 2 NERFINISHED ⓘ |
| ownedBy | GPU, Inc. NERFINISHED ⓘ |
| parentCompany | General Public Utilities NERFINISHED ⓘ |
| partOf | GPU, Inc. NERFINISHED ⓘ |
| regulator | U.S. Nuclear Regulatory Commission NERFINISHED ⓘ |
| roleInEvent | plant operator during Three Mile Island Unit 2 partial core meltdown ⓘ |
| sector | electric power generation ⓘ |
| subjectOf |
Three Mile Island investigations
NERFINISHED
ⓘ
nuclear safety regulatory actions ⓘ |
| timePeriod | 20th century ⓘ |
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: GPU Nuclear Description of subject: GPU Nuclear was an American nuclear power company best known for operating the Three Mile Island plant during the 1979 partial meltdown accident.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.