Triple

T9673196
Position Surface form Disambiguated ID Type / Status
Subject Sellafield E234080 entity
Predicate hasFacility P105 FINISHED
Object Magnox reprocessing plant
The Magnox reprocessing plant is a nuclear facility at Sellafield in the UK that chemically processes spent fuel from Magnox-type nuclear reactors to recover usable materials and manage radioactive waste.
E234080 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: Magnox reprocessing plant | Statement: [Sellafield, hasFacility, Magnox reprocessing plant]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Magnox reprocessing plant
Context triple: [Sellafield, hasFacility, Magnox reprocessing plant]
  • A. Sellafield
    Sellafield is a nuclear fuel reprocessing and decommissioning site on the coast of Cumbria in northwest England.
  • B. Trawsfynydd nuclear power station
    Trawsfynydd nuclear power station is a decommissioned Magnox nuclear power facility in Gwynedd, Wales, notable for being built inland beside the man-made Trawsfynydd lake.
  • C. Hinkley Point nuclear power stations
    Hinkley Point nuclear power stations are a major complex of nuclear power facilities on the coast of Somerset, England, including both decommissioned reactors and the large new Hinkley Point C project.
  • D. Didcot Power Station
    Didcot Power Station is a large former coal- and oil-fired power station in Oxfordshire, England, notable for its distinctive cooling towers and prominent role in the UK’s electricity generation before its decommissioning.
  • E. Fernald uranium plant
    The Fernald uranium plant was a U.S. Department of Energy facility near Cincinnati, Ohio, that processed uranium for nuclear weapons production and later became a major environmental cleanup site.
  • 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: Magnox reprocessing plant
Triple: [Sellafield, hasFacility, Magnox reprocessing plant]
Generated description
The Magnox reprocessing plant is a nuclear facility at Sellafield in the UK that chemically processes spent fuel from Magnox-type nuclear reactors to recover usable materials and manage radioactive waste.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Magnox reprocessing plant
Target entity description: The Magnox reprocessing plant is a nuclear facility at Sellafield in the UK that chemically processes spent fuel from Magnox-type nuclear reactors to recover usable materials and manage radioactive waste.
  • A. Sellafield chosen
    Sellafield is a nuclear fuel reprocessing and decommissioning site on the coast of Cumbria in northwest England.
  • B. Trawsfynydd nuclear power station
    Trawsfynydd nuclear power station is a decommissioned Magnox nuclear power facility in Gwynedd, Wales, notable for being built inland beside the man-made Trawsfynydd lake.
  • C. Hinkley Point nuclear power stations
    Hinkley Point nuclear power stations are a major complex of nuclear power facilities on the coast of Somerset, England, including both decommissioned reactors and the large new Hinkley Point C project.
  • D. Didcot Power Station
    Didcot Power Station is a large former coal- and oil-fired power station in Oxfordshire, England, notable for its distinctive cooling towers and prominent role in the UK’s electricity generation before its decommissioning.
  • E. Fernald uranium plant
    The Fernald uranium plant was a U.S. Department of Energy facility near Cincinnati, Ohio, that processed uranium for nuclear weapons production and later became a major environmental cleanup site.
  • F. None of above.

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_69ca848f55e48190b3f67252571c3d45 completed March 30, 2026, 2:11 p.m.
NER Named-entity recognition batch_69cd9c6c05c481909885bfdb850e7527 completed April 1, 2026, 10:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69d18a2d030c8190ada52e855bc9afc8 completed April 4, 2026, 10:01 p.m.
NEDg Description generation batch_69d18bf051448190aaa3a7198c23fd39 completed April 4, 2026, 10:08 p.m.
NED2 Entity disambiguation (via description) batch_69d18c8783f08190858681b51096fe56 completed April 4, 2026, 10:11 p.m.
Created at: March 30, 2026, 8:15 p.m.