Triple
T2294266
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Trawsfynydd |
E51573
|
entity |
| Predicate | hasDecommissionedFacility |
P12416
|
FINISHED |
| Object | Trawsfynydd nuclear power station |
E253534
|
NE FINISHED |
How this triple was built (3 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, hasDecommissionedFacility, 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, hasDecommissionedFacility, Trawsfynydd nuclear power station]
-
A.
Trawsfynydd nuclear power station
chosen
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
Sellafield
Sellafield is a nuclear fuel reprocessing and decommissioning site on the coast of Cumbria in northwest England.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: hasDecommissionedFacility Context triple: [Trawsfynydd, hasDecommissionedFacility, Trawsfynydd nuclear power station]
-
A.
decommissionedReason
Indicates the reason or cause for which an entity, typically an asset or system, was taken out of service or formally retired.
-
B.
decommissionedDate
Indicates the date on which an entity was formally taken out of service or retired from active use.
-
C.
decommissioningStartDate
Indicates the date on which the process of taking an asset or system out of active service is initiated.
-
D.
legacyFacilityOf
Indicates that one facility is an older, predecessor, or superseded version of another facility within the same organizational or operational context.
-
E.
hasFacilities
chosen
Indicates that an entity possesses, provides, or is equipped with certain facilities or physical resources.
- F. None of above.
Provenance (4 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_69abcd0e42248190ada33b84d75caa64 |
completed | March 7, 2026, 7 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ae960ae538819095c66b91952800b7 |
completed | March 9, 2026, 9:42 a.m. |
| PD | Predicate disambiguation | batch_69abc589295c819092989820c2b4e9d8 |
completed | March 7, 2026, 6:28 a.m. |
Created at: March 4, 2026, 7:49 p.m.