Triple

T15658793
Position Surface form Disambiguated ID Type / Status
Subject Vermont Yankee Nuclear Power Corporation E376516 entity
Predicate operated P1688 FINISHED
Object Vermont Yankee Nuclear Power Plant
Vermont Yankee Nuclear Power Plant was a boiling water nuclear reactor facility in Vernon, Vermont, that generated electricity for the New England power grid until its closure in 2014.
E376516 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: Vermont Yankee Nuclear Power Plant | Statement: [Vermont Yankee Nuclear Power Corporation, operated, Vermont Yankee Nuclear Power Plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Vermont Yankee Nuclear Power Plant
Context triple: [Vermont Yankee Nuclear Power Corporation, operated, Vermont Yankee Nuclear Power Plant]
  • 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. 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.
  • C. Springfield Nuclear Power Plant
    The Springfield Nuclear Power Plant is the accident-prone workplace of Homer Simpson and a central setting in the animated television series "The Simpsons," symbolizing corporate greed, environmental hazards, and satirical takes on nuclear energy.
  • D. Seabrook Station Nuclear Power Plant
    Seabrook Station Nuclear Power Plant is a commercial nuclear power facility in Seabrook, New Hampshire, known for its large pressurized water reactor and significant role in the region’s electricity generation.
  • E. Hatch Nuclear Power Plant
    Hatch Nuclear Power Plant is a commercial nuclear power generating facility in Georgia that supplies electricity to the regional grid as part of Southern Company's energy portfolio.
  • 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: Vermont Yankee Nuclear Power Plant
Triple: [Vermont Yankee Nuclear Power Corporation, operated, Vermont Yankee Nuclear Power Plant]
Generated description
Vermont Yankee Nuclear Power Plant was a boiling water nuclear reactor facility in Vernon, Vermont, that generated electricity for the New England power grid until its closure in 2014.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Vermont Yankee Nuclear Power Plant
Target entity description: Vermont Yankee Nuclear Power Plant was a boiling water nuclear reactor facility in Vernon, Vermont, that generated electricity for the New England power grid until its closure in 2014.
  • A. Vermont Yankee Nuclear Power Corporation chosen
    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. 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.
  • C. Springfield Nuclear Power Plant
    The Springfield Nuclear Power Plant is the accident-prone workplace of Homer Simpson and a central setting in the animated television series "The Simpsons," symbolizing corporate greed, environmental hazards, and satirical takes on nuclear energy.
  • D. Seabrook Station Nuclear Power Plant
    Seabrook Station Nuclear Power Plant is a commercial nuclear power facility in Seabrook, New Hampshire, known for its large pressurized water reactor and significant role in the region’s electricity generation.
  • E. Hatch Nuclear Power Plant
    Hatch Nuclear Power Plant is a commercial nuclear power generating facility in Georgia that supplies electricity to the regional grid as part of Southern Company's energy portfolio.
  • F. None of above.

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_69d85cd1564c8190991adda63bfab4b0 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04ef3cb8c8190a10815b675b341c1 completed April 16, 2026, 2:52 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff679bb7f0819092a98c2981bc9267 completed May 9, 2026, 4:58 p.m.
NEDg Description generation batch_69ff68a1b374819089dc6fe1f252cc0f completed May 9, 2026, 5:02 p.m.
NED2 Entity disambiguation (via description) batch_69ff698bf6a481908d326451232a8cbb completed May 9, 2026, 5:06 p.m.
Created at: April 10, 2026, 4:15 a.m.