Triple

T2294245
Position Surface form Disambiguated ID Type / Status
Subject Trawsfynydd E51573 entity
Predicate locatedNear P294 FINISHED
Object 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.
E253534 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: Trawsfynydd nuclear power station | Statement: [Trawsfynydd, locatedNear, Trawsfynydd nuclear power station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Trawsfynydd nuclear power station
Context triple: [Trawsfynydd, locatedNear, Trawsfynydd nuclear power station]
  • A. 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.
  • B. Liddell Power Station
    Liddell Power Station is a large coal-fired power plant in New South Wales, Australia, long serving as a major source of electricity generation before its planned closure as part of the country’s energy transition.
  • C. Heysham 1 nuclear power station
    Heysham 1 nuclear power station is a twin-reactor advanced gas-cooled nuclear power facility located on the Lancashire coast of England, generating electricity for the UK grid.
  • D. Sellafield
    Sellafield is a nuclear fuel reprocessing and decommissioning site on the coast of Cumbria in northwest England.
  • E. Agecroft power station
    Agecroft power station was a coal-fired power station in Pendlebury, Greater Manchester, that operated for much of the 20th century and played a significant role in the region’s industrial energy supply.
  • 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: Trawsfynydd nuclear power station
Triple: [Trawsfynydd, locatedNear, Trawsfynydd nuclear power station]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Trawsfynydd nuclear power station
Target entity description: 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.
  • A. 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.
  • B. Liddell Power Station
    Liddell Power Station is a large coal-fired power plant in New South Wales, Australia, long serving as a major source of electricity generation before its planned closure as part of the country’s energy transition.
  • C. Heysham 1 nuclear power station
    Heysham 1 nuclear power station is a twin-reactor advanced gas-cooled nuclear power facility located on the Lancashire coast of England, generating electricity for the UK grid.
  • D. Sellafield
    Sellafield is a nuclear fuel reprocessing and decommissioning site on the coast of Cumbria in northwest England.
  • E. Agecroft power station
    Agecroft power station was a coal-fired power station in Pendlebury, Greater Manchester, that operated for much of the 20th century and played a significant role in the region’s industrial energy supply.
  • 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_69a88b09c644819090b503456d96bf70 completed March 4, 2026, 7:42 p.m.
NER Named-entity recognition batch_69abc5da667881909186adf23a2bd45b completed March 7, 2026, 6:29 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae7f2654e4819090dea196cf38652e completed March 9, 2026, 8:04 a.m.
NEDg Description generation batch_69ae7fd6e8608190b48f3a50ee62d664 completed March 9, 2026, 8:07 a.m.
NED2 Entity disambiguation (via description) batch_69ae804b402c81909a5fc68c6ee3decb completed March 9, 2026, 8:09 a.m.
Created at: March 4, 2026, 7:49 p.m.