Triple

T16238542
Position Surface form Disambiguated ID Type / Status
Subject Combustion Engineering PWR E394178 entity
Predicate usedInPlant P122286 FINISHED
Object Zion Nuclear Power Station Unit 2
Zion Nuclear Power Station Unit 2 was a pressurized water reactor unit at the Zion Nuclear Power Station in Illinois, United States, that operated from the early 1970s until its shutdown in the late 1990s.
 E1204088 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: Zion Nuclear Power Station Unit 2 | Statement: [Combustion Engineering PWR, usedInPlant, Zion Nuclear Power Station Unit 2]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Zion Nuclear Power Station Unit 2
Context triple: [Combustion Engineering PWR, usedInPlant, Zion Nuclear Power Station Unit 2]
  • A. Zion Nuclear Power Station Unit 1
    Zion Nuclear Power Station Unit 1 was a now-decommissioned commercial nuclear reactor unit in Illinois that operated from the early 1970s and was part of one of the largest nuclear power stations in the United States.
  • B. 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.
  • C. Tihange nuclear power station
    Tihange nuclear power station is a major Belgian nuclear power plant on the Meuse River, known for its aging reactors and associated safety and political controversies.
  • D. Braidwood Nuclear Generating Station
    Braidwood Nuclear Generating Station is a commercial nuclear power plant in Illinois that generates electricity using pressurized water reactors.
  • 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: Zion Nuclear Power Station Unit 2
Triple: [Combustion Engineering PWR, usedInPlant, Zion Nuclear Power Station Unit 2]
Generated description
Zion Nuclear Power Station Unit 2 was a pressurized water reactor unit at the Zion Nuclear Power Station in Illinois, United States, that operated from the early 1970s until its shutdown in the late 1990s.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Zion Nuclear Power Station Unit 2
Target entity description: Zion Nuclear Power Station Unit 2 was a pressurized water reactor unit at the Zion Nuclear Power Station in Illinois, United States, that operated from the early 1970s until its shutdown in the late 1990s.
  • A. Zion Nuclear Power Station Unit 1
    Zion Nuclear Power Station Unit 1 was a now-decommissioned commercial nuclear reactor unit in Illinois that operated from the early 1970s and was part of one of the largest nuclear power stations in the United States.
  • B. 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.
  • C. Tihange nuclear power station
    Tihange nuclear power station is a major Belgian nuclear power plant on the Meuse River, known for its aging reactors and associated safety and political controversies.
  • D. Braidwood Nuclear Generating Station
    Braidwood Nuclear Generating Station is a commercial nuclear power plant in Illinois that generates electricity using pressurized water reactors.
  • 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

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_6a0017ad3fa88190b71aa1e0c6414807 completed May 10, 2026, 5:29 a.m.
NEDg Description generation batch_6a001866c8408190bff34f181637d0c4 completed May 10, 2026, 5:32 a.m.
NED2 Entity disambiguation (via description) batch_6a00192a16d88190b35465c5c481cf44 completed May 10, 2026, 5:35 a.m.
Created at: April 10, 2026, 5:04 a.m.