Triple

T16238532
Position Surface form Disambiguated ID Type / Status
Subject Combustion Engineering PWR E394178 entity
Predicate usedInPlant P122286 FINISHED
Object Millstone Nuclear Power Station Unit 2
Millstone Nuclear Power Station Unit 2 is a pressurized water reactor unit at the Millstone nuclear power facility in Connecticut, United States, generating commercial nuclear electricity.
 E1202839 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: Millstone Nuclear Power Station Unit 2 | Statement: [Combustion Engineering PWR, usedInPlant, Millstone Nuclear Power Station Unit 2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Millstone Nuclear Power Station Unit 2
Context triple: [Combustion Engineering PWR, usedInPlant, Millstone Nuclear Power Station Unit 2]
  • 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. Clinton Nuclear Generating Station
    Clinton Nuclear Generating Station is a single-unit boiling water reactor nuclear power plant that produces electricity for the regional grid in central Illinois.
  • C. Bruce Nuclear Generating Station
    Bruce Nuclear Generating Station is one of the world’s largest nuclear power facilities and a key supplier of electricity in Ontario, Canada.
  • D. 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.
  • E. Pickering Nuclear Generating Station
    Pickering Nuclear Generating Station is a large Canadian nuclear power plant on the shore of Lake Ontario that has been a major source of electricity for the Greater Toronto Area.
  • 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: Millstone Nuclear Power Station Unit 2
Triple: [Combustion Engineering PWR, usedInPlant, Millstone Nuclear Power Station Unit 2]
Generated description
Millstone Nuclear Power Station Unit 2 is a pressurized water reactor unit at the Millstone nuclear power facility in Connecticut, United States, generating commercial nuclear electricity.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Millstone Nuclear Power Station Unit 2
Target entity description: Millstone Nuclear Power Station Unit 2 is a pressurized water reactor unit at the Millstone nuclear power facility in Connecticut, United States, generating commercial nuclear electricity.
  • 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. Clinton Nuclear Generating Station
    Clinton Nuclear Generating Station is a single-unit boiling water reactor nuclear power plant that produces electricity for the regional grid in central Illinois.
  • C. Bruce Nuclear Generating Station
    Bruce Nuclear Generating Station is one of the world’s largest nuclear power facilities and a key supplier of electricity in Ontario, Canada.
  • D. 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.
  • E. Pickering Nuclear Generating Station
    Pickering Nuclear Generating Station is a large Canadian nuclear power plant on the shore of Lake Ontario that has been a major source of electricity for the Greater Toronto Area.
  • 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_6a000edaf76c8190acc01f58845e570a completed May 10, 2026, 4:51 a.m.
NEDg Description generation batch_6a0011f7f3fc8190a3a3bf260b391e78 completed May 10, 2026, 5:04 a.m.
NED2 Entity disambiguation (via description) batch_6a0012e9913481908ee5ada2fce507f4 completed May 10, 2026, 5:08 a.m.
Created at: April 10, 2026, 5:04 a.m.