Triple
T9560146
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Three Mile Island Nuclear Generating Station |
E230650
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object | Exelon Generation Company |
E167165
|
NE FINISHED |
How this triple was built (2 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Exelon Generation Company | Statement: [Three Mile Island Nuclear Generating Station, operatedBy, Exelon Generation Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Exelon Generation Company Context triple: [Three Mile Island Nuclear Generating Station, operatedBy, Exelon Generation Company]
-
A.
Exelon
Exelon is a brand-name prescription medication containing rivastigmine, used to treat symptoms of mild to moderate dementia associated with Alzheimer's and Parkinson's disease.
-
B.
Exelon
chosen
Exelon is a major American energy company and utility services holding corporation, known for operating one of the largest fleets of nuclear power plants in the United States.
-
C.
Cinergy Corporation
Cinergy Corporation was a U.S.-based energy company best known in part for its naming rights sponsorship of Cincinnati’s Cinergy Field baseball stadium.
-
D.
Constellation Energy
Constellation Energy is a U.S.-based energy company that generates and supplies electricity, with a significant focus on nuclear power and other low-carbon energy sources.
-
E.
Dominion Energy
Dominion Energy is a large American energy company that generates and distributes electricity and natural gas to customers across multiple states, particularly in the Mid-Atlantic and Southeast regions.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69ca847e53a88190a60eed7e02257f10 |
completed | March 30, 2026, 2:11 p.m. |
| NER | Named-entity recognition | batch_69cd994bde0c8190afcba5cb8fa8b984 |
completed | April 1, 2026, 10:16 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d16144be688190b7120c4f63dc94c3 |
completed | April 4, 2026, 7:06 p.m. |
Created at: March 30, 2026, 8:03 p.m.