Triple

T16238539
Position Surface form Disambiguated ID Type / Status
Subject Combustion Engineering PWR E394178 entity
Predicate usedInPlant P122286 FINISHED
Object 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.
E1204834 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: Maine Yankee Nuclear Power Plant | Statement: [Combustion Engineering PWR, usedInPlant, Maine Yankee Nuclear Power Plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Maine Yankee Nuclear Power Plant
Context triple: [Combustion Engineering PWR, usedInPlant, Maine Yankee Nuclear Power Plant]
  • A. 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.
  • B. 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.
  • 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. 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.
  • E. 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.
  • 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: Maine Yankee Nuclear Power Plant
Triple: [Combustion Engineering PWR, usedInPlant, Maine Yankee Nuclear Power Plant]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Maine Yankee Nuclear Power Plant
Target entity description: 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.
  • A. 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.
  • B. 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.
  • 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. 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.
  • E. 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.
  • 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_69d87f2171208190951025e526947816 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e2455c7a3c81909e3b42edf03be43e completed April 17, 2026, 2:36 p.m.
NED1 Entity disambiguation (via context triple) batch_6a001f8ae4288190b59e4af3e3d95000 completed May 10, 2026, 6:02 a.m.
NEDg Description generation batch_6a00203a93c4819080e5e1c5b345ba77 completed May 10, 2026, 6:05 a.m.
NED2 Entity disambiguation (via description) batch_6a0020bcdb388190be736469d1b78af8 completed May 10, 2026, 6:07 a.m.
Created at: April 10, 2026, 5:04 a.m.