Triple

T16484298
Position Surface form Disambiguated ID Type / Status
Subject EPR E400398 entity
Predicate alternativeName P39 FINISHED
Object Evolutionary Power Reactor
The Evolutionary Power Reactor (EPR) is a Generation III+ pressurized water nuclear reactor design developed to provide enhanced safety, efficiency, and output compared to earlier reactor types.
E1216219 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: Evolutionary Power Reactor | Statement: [EPR, alternativeName, Evolutionary Power Reactor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Evolutionary Power Reactor
Context triple: [EPR, alternativeName, Evolutionary Power Reactor]
  • A. Special Power Excursion Reactor Test series
    The Special Power Excursion Reactor Test (SPERT) series was a set of experimental nuclear reactors used in the mid-20th century to study reactor safety and behavior under rapid power excursions.
  • B. Dimona reactor
    The Dimona reactor is a highly secretive nuclear research facility in Israel widely believed to be central to the country’s undeclared nuclear weapons program.
  • C. S2W nuclear reactor
    The S2W nuclear reactor was an early U.S. Navy pressurized water reactor design that powered the world’s first operational nuclear-powered submarine, USS Nautilus.
  • D. Nuclear Electric
    Nuclear Electric was a UK state-owned company responsible for operating nuclear power stations in England and Wales following the privatization and restructuring of the electricity industry in the early 1990s.
  • E. K-West Reactor
    K-West Reactor is one of the plutonium production reactors at the Hanford Site in Washington State, historically used to support the U.S. nuclear weapons program.
  • 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: Evolutionary Power Reactor
Triple: [EPR, alternativeName, Evolutionary Power Reactor]
Generated description
The Evolutionary Power Reactor (EPR) is a Generation III+ pressurized water nuclear reactor design developed to provide enhanced safety, efficiency, and output compared to earlier reactor types.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Evolutionary Power Reactor
Target entity description: The Evolutionary Power Reactor (EPR) is a Generation III+ pressurized water nuclear reactor design developed to provide enhanced safety, efficiency, and output compared to earlier reactor types.
  • A. Special Power Excursion Reactor Test series
    The Special Power Excursion Reactor Test (SPERT) series was a set of experimental nuclear reactors used in the mid-20th century to study reactor safety and behavior under rapid power excursions.
  • B. Dimona reactor
    The Dimona reactor is a highly secretive nuclear research facility in Israel widely believed to be central to the country’s undeclared nuclear weapons program.
  • C. S2W nuclear reactor
    The S2W nuclear reactor was an early U.S. Navy pressurized water reactor design that powered the world’s first operational nuclear-powered submarine, USS Nautilus.
  • D. Nuclear Electric
    Nuclear Electric was a UK state-owned company responsible for operating nuclear power stations in England and Wales following the privatization and restructuring of the electricity industry in the early 1990s.
  • E. K-West Reactor
    K-West Reactor is one of the plutonium production reactors at the Hanford Site in Washington State, historically used to support the U.S. nuclear weapons program.
  • 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_69d883813098819084f5409539723b59 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e32e05bf448190947b9da15fd29d0a completed April 18, 2026, 7:08 a.m.
NED1 Entity disambiguation (via context triple) batch_6a005820790c819088d953eeea09328d completed May 10, 2026, 10:04 a.m.
NEDg Description generation batch_6a0059126e588190b531c145f3c155b4 completed May 10, 2026, 10:08 a.m.
NED2 Entity disambiguation (via description) batch_6a0059bf355c81909d6796482fe7f3e3 completed May 10, 2026, 10:11 a.m.
Created at: April 10, 2026, 5:13 a.m.