Triple

T3889392
Position Surface form Disambiguated ID Type / Status
Subject Hatch Nuclear Power Plant E88021 entity
Predicate operatedBy P86 FINISHED
Object Southern Nuclear Operating Company
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.
E397895 NE FINISHED

How this triple was built (4 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 Nuclear Power Plant, operatedBy, 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 Nuclear Power Plant, operatedBy, Southern Nuclear Operating Company]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. PacifiCorp
    PacifiCorp is a major U.S. electric utility company serving customers across several Western states.
  • E. Salem Nuclear Power Plant
    Salem Nuclear Power Plant is a commercial nuclear power station in Lower Alloways Creek Township, New Jersey, that generates electricity using pressurized water reactors along the Delaware River.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Southern Nuclear Operating Company
Triple: [Hatch Nuclear Power Plant, operatedBy, Southern Nuclear Operating Company]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Southern Nuclear Operating Company
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. PacifiCorp
    PacifiCorp is a major U.S. electric utility company serving customers across several Western states.
  • E. Salem Nuclear Power Plant
    Salem Nuclear Power Plant is a commercial nuclear power station in Lower Alloways Creek Township, New Jersey, that generates electricity using pressurized water reactors along the Delaware River.
  • F. None of above. chosen

Provenance (5 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_69aed9466d548190939f5217a23ed4ac completed March 9, 2026, 2:29 p.m.
NER Named-entity recognition batch_69aeecaee7148190ada451ccfc6582ee completed March 9, 2026, 3:52 p.m.
NED1 Entity disambiguation (via context triple) batch_69b51c8f299c8190a6a53ec59837b402 completed March 14, 2026, 8:30 a.m.
NEDg Description generation batch_69b51d51e52881908f798b12ee123d69 completed March 14, 2026, 8:33 a.m.
NED2 Entity disambiguation (via description) batch_69b51dba68fc8190b02b0ca47f4f7803 completed March 14, 2026, 8:35 a.m.
Created at: March 9, 2026, 3:21 p.m.