Triple

T3925365
Position Surface form Disambiguated ID Type / Status
Subject Areva E93261 entity
Predicate reactorTechnology P3675 FINISHED
Object EPR (European Pressurized Reactor)
The EPR (European Pressurized Reactor) is a Generation III+ pressurized water nuclear reactor design developed in Europe to provide enhanced safety, efficiency, and power output compared to earlier reactor types.
E400398 NE FINISHED

How this triple was built (5 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: EPR (European Pressurized Reactor) | Statement: [Areva, reactorTechnology, EPR (European Pressurized Reactor)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: EPR (European Pressurized Reactor)
Context triple: [Areva, reactorTechnology, EPR (European Pressurized Reactor)]
  • A. Pressurised water reactor
    A pressurised water reactor is a type of nuclear fission reactor that uses high-pressure water as both coolant and neutron moderator to generate heat for producing electricity or naval propulsion.
  • B. K15 pressurized water reactor
    The K15 pressurized water reactor is a French naval nuclear reactor design used to power modern French aircraft carriers and submarines.
  • C. ZEEP reactor
    The ZEEP reactor was a small Canadian research nuclear reactor that played a key role in early nuclear physics experiments and the development of Canada's nuclear energy program.
  • D. NRU reactor
    The NRU reactor was a Canadian research nuclear reactor at Chalk River Laboratories known for producing medical isotopes and supporting materials testing and reactor physics research.
  • E. 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.
  • 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: EPR (European Pressurized Reactor)
Triple: [Areva, reactorTechnology, EPR (European Pressurized Reactor)]
Generated description
The EPR (European Pressurized Reactor) is a Generation III+ pressurized water nuclear reactor design developed in Europe to provide enhanced safety, efficiency, and power output compared to earlier reactor types.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: EPR (European Pressurized Reactor)
Target entity description: The EPR (European Pressurized Reactor) is a Generation III+ pressurized water nuclear reactor design developed in Europe to provide enhanced safety, efficiency, and power output compared to earlier reactor types.
  • A. Pressurised water reactor
    A pressurised water reactor is a type of nuclear fission reactor that uses high-pressure water as both coolant and neutron moderator to generate heat for producing electricity or naval propulsion.
  • B. K15 pressurized water reactor
    The K15 pressurized water reactor is a French naval nuclear reactor design used to power modern French aircraft carriers and submarines.
  • C. ZEEP reactor
    The ZEEP reactor was a small Canadian research nuclear reactor that played a key role in early nuclear physics experiments and the development of Canada's nuclear energy program.
  • D. NRU reactor
    The NRU reactor was a Canadian research nuclear reactor at Chalk River Laboratories known for producing medical isotopes and supporting materials testing and reactor physics research.
  • E. 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.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: reactorTechnology
Context triple: [Areva, reactorTechnology, EPR (European Pressurized Reactor)]
  • A. reactorType chosen
    Indicates the specific kind or category of reactor associated with an entity.
  • B. numberOfReactors
    Indicates the quantity of reactors associated with or contained by a given entity.
  • C. nrcReactorUnitNumber
    Indicates the specific unit number assigned to a nuclear reactor within an NRC-licensed facility.
  • D. reactor
    Indicates a relationship where an entity functions as or is associated with a nuclear or chemical reactor system.
  • E. nuclearPowered
    Indicates that something operates using nuclear energy as its primary power source.
  • F. None of above.

Provenance (6 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_69aed96bfa1081908f7b30f2c647dee6 completed March 9, 2026, 2:30 p.m.
NER Named-entity recognition batch_69aeed7f3cc881909464db1970ba39ae completed March 9, 2026, 3:55 p.m.
NED1 Entity disambiguation (via context triple) batch_69b52873d5a881909c4c29f06b94a467 completed March 14, 2026, 9:20 a.m.
NEDg Description generation batch_69b52c7951d881908a3111581e0ab511 completed March 14, 2026, 9:38 a.m.
NED2 Entity disambiguation (via description) batch_69b52cd24e988190b25e3b3ccc937fdd completed March 14, 2026, 9:39 a.m.
PD Predicate disambiguation batch_69aee7609c4081908000ce12ae827c3f completed March 9, 2026, 3:29 p.m.
Created at: March 9, 2026, 3:23 p.m.