Triple

T18192726
Position Surface form Disambiguated ID Type / Status
Subject Vernon, Vermont E435580 entity
Predicate hasFormerFacility P35178 FINISHED
Object Vermont Yankee Nuclear Power Station NE NERFINISHED

How this triple was built (3 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 Station | Statement: [Vernon, Vermont, hasFormerFacility, Vermont Yankee Nuclear Power Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Vermont Yankee Nuclear Power Station
Context triple: [Vernon, Vermont, hasFormerFacility, Vermont Yankee Nuclear Power Station]
  • A. Maine Yankee Nuclear Power Plant
    Maine Yankee Nuclear Power Plant was a large, now-decommissioned pressurized water reactor facility in Wiscasset, Maine that supplied significant electrical power to New England from the early 1970s until its closure in the 1990s.
  • 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. Yankee Rowe Nuclear Power Station
    Yankee Rowe Nuclear Power Station was one of the first commercial nuclear power plants in the United States, notable as an early pressurized water reactor facility that operated in Massachusetts from the early 1960s until its decommissioning in the 1990s.
  • D. Connecticut Yankee Nuclear Power Plant
    Connecticut Yankee Nuclear Power Plant was a now-decommissioned pressurized water reactor facility in Haddam, Connecticut, that operated from the late 1960s to the mid-1990s as one of the early commercial nuclear power stations in the United 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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Vermont Yankee Nuclear Power Station
Target entity description: Vermont Yankee Nuclear Power Station was a boiling water nuclear reactor facility in Vermont that generated electricity for the New England power grid before its closure in 2014.
  • A. Maine Yankee Nuclear Power Plant
    Maine Yankee Nuclear Power Plant was a large, now-decommissioned pressurized water reactor facility in Wiscasset, Maine that supplied significant electrical power to New England from the early 1970s until its closure in the 1990s.
  • 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. Yankee Rowe Nuclear Power Station
    Yankee Rowe Nuclear Power Station was one of the first commercial nuclear power plants in the United States, notable as an early pressurized water reactor facility that operated in Massachusetts from the early 1960s until its decommissioning in the 1990s.
  • D. Connecticut Yankee Nuclear Power Plant
    Connecticut Yankee Nuclear Power Plant was a now-decommissioned pressurized water reactor facility in Haddam, Connecticut, that operated from the late 1960s to the mid-1990s as one of the early commercial nuclear power stations in the United 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 (2 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_69d8b90c7ec081909b4694ccecb449c6 completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4e0d05974819094b4a50d081be881 completed April 19, 2026, 2:04 p.m.
Created at: April 10, 2026, 10:31 a.m.