Triple

T7433148
Position Surface form Disambiguated ID Type / Status
Subject Atomic Energy Research Establishment Harwell E171539 entity
Predicate hasReactor P51668 FINISHED
Object BEPO research reactor
The BEPO research reactor was one of the United Kingdom’s early experimental nuclear reactors, used at Harwell for materials testing, reactor physics research, and the development of nuclear technology.
E665459 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: BEPO research reactor | Statement: [Atomic Energy Research Establishment Harwell, hasReactor, BEPO research reactor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: BEPO research reactor
Context triple: [Atomic Energy Research Establishment Harwell, hasReactor, BEPO research reactor]
  • A. GLEEP research reactor
    The GLEEP research reactor was the United Kingdom’s first nuclear reactor, a low-power graphite-moderated facility used primarily for research and materials testing at Harwell.
  • B. TRIGA research reactor
    The TRIGA research reactor is a small, inherently safe nuclear reactor design widely used in universities and research institutions for education, training, and scientific experiments.
  • C. Brookhaven Graphite Research Reactor
    The Brookhaven Graphite Research Reactor was one of the earliest large research reactors in the United States, used primarily for neutron physics experiments and materials research at Brookhaven National Laboratory.
  • D. HANARO research reactor
    The HANARO research reactor is a multi-purpose nuclear research facility in South Korea used for neutron science, materials testing, radioisotope production, and various nuclear technology applications.
  • E. Experimental Breeder Reactor II
    Experimental Breeder Reactor II was a sodium-cooled fast breeder nuclear reactor and research facility in Idaho that played a key role in demonstrating advanced reactor safety and fuel cycle technologies.
  • 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: BEPO research reactor
Triple: [Atomic Energy Research Establishment Harwell, hasReactor, BEPO research reactor]
Generated description
The BEPO research reactor was one of the United Kingdom’s early experimental nuclear reactors, used at Harwell for materials testing, reactor physics research, and the development of nuclear technology.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: BEPO research reactor
Target entity description: The BEPO research reactor was one of the United Kingdom’s early experimental nuclear reactors, used at Harwell for materials testing, reactor physics research, and the development of nuclear technology.
  • A. GLEEP research reactor
    The GLEEP research reactor was the United Kingdom’s first nuclear reactor, a low-power graphite-moderated facility used primarily for research and materials testing at Harwell.
  • B. TRIGA research reactor
    The TRIGA research reactor is a small, inherently safe nuclear reactor design widely used in universities and research institutions for education, training, and scientific experiments.
  • C. Brookhaven Graphite Research Reactor
    The Brookhaven Graphite Research Reactor was one of the earliest large research reactors in the United States, used primarily for neutron physics experiments and materials research at Brookhaven National Laboratory.
  • D. HANARO research reactor
    The HANARO research reactor is a multi-purpose nuclear research facility in South Korea used for neutron science, materials testing, radioisotope production, and various nuclear technology applications.
  • E. Experimental Breeder Reactor II
    Experimental Breeder Reactor II was a sodium-cooled fast breeder nuclear reactor and research facility in Idaho that played a key role in demonstrating advanced reactor safety and fuel cycle technologies.
  • 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_69c68a63491881909281f73d4d5643bf completed March 27, 2026, 1:47 p.m.
NER Named-entity recognition batch_69c6f325ea908190b668fd4ce646f1e6 completed March 27, 2026, 9:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69c827829a848190afca7b5f79c51c7c completed March 28, 2026, 7:09 p.m.
NEDg Description generation batch_69c828c8b0588190a5a99380dc25d837 completed March 28, 2026, 7:15 p.m.
NED2 Entity disambiguation (via description) batch_69c8296962b48190b9f5cc4a66b93b91 completed March 28, 2026, 7:18 p.m.
Created at: March 27, 2026, 3:12 p.m.