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.