Triple
T16443786
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hatch Unit 2 |
E399372
|
entity |
| Predicate | owner |
P347
|
FINISHED |
| Object | Southern Nuclear Operating Company |
E397895
|
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: Southern Nuclear Operating Company | Statement: [Hatch Unit 2, owner, Southern Nuclear Operating Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Southern Nuclear Operating Company Context triple: [Hatch Unit 2, owner, Southern Nuclear Operating Company]
-
A.
Southern Nuclear Operating Company
chosen
Southern Nuclear Operating Company is a U.S.-based nuclear power plant operator that manages several commercial nuclear generating stations in the southeastern United States.
-
B.
Vermont Yankee Nuclear Power Corporation
Vermont Yankee Nuclear Power Corporation was the owner and operator of the Vermont Yankee nuclear power plant and a key party in the landmark U.S. Supreme Court case Vermont Yankee Nuclear Power Corp. v. NRDC, which shaped administrative law and regulatory procedure.
-
C.
Westinghouse Savannah River Company
Westinghouse Savannah River Company was a U.S. government contractor that managed and operated the Department of Energy’s Savannah River Site, focusing on nuclear materials production, environmental cleanup, and related research.
-
D.
Nuclear Corporation of America
Nuclear Corporation of America was a diversified American industrial holding company that, among other assets, owned the REO automobile brand during its later corporate history.
-
E.
Exelon
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.
- 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_69d87f2c6778819080fcfae53be8f12a |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e32cd9d474819091b4a80de1019c54 |
completed | April 18, 2026, 7:03 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00458f8f3c8190ad5eff2ad2a32dea |
completed | May 10, 2026, 8:45 a.m. |
Created at: April 10, 2026, 5:10 a.m.