Triple

T20156170
Position Surface form Disambiguated ID Type / Status
Subject Llwynypia E491571 entity
Predicate hasRailwayStation P918 FINISHED
Object Llwynypia railway station — NE NERFINISHED

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: Llwynypia railway station | Statement: [Llwynypia, hasRailwayStation, Llwynypia railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Llwynypia railway station
Context triple: [Llwynypia, hasRailwayStation, Llwynypia railway station]
  • A. Llanymynech railway station
    Llanymynech railway station is a disused former railway station in Llanymynech, Powys, Wales, that once served the village on historic regional rail lines.
  • B. Nant Gwernol railway station
    Nant Gwernol railway station is the upper mountain terminus of the historic narrow-gauge Talyllyn Railway in Mid Wales, serving as a scenic endpoint for heritage steam train services.
  • C. Llanwrtyd railway station
    Llanwrtyd railway station is a small rural stop in Powys, Wales, serving the town of Llanwrtyd Wells on the scenic Heart of Wales Line.
  • D. Glyndyfrdwy railway station
    Glyndyfrdwy railway station is a preserved heritage railway stop in Denbighshire, Wales, serving as one of the intermediate stations on the volunteer-run Llangollen Railway.
  • E. Llanbedr railway station
    Llanbedr railway station is a small rural stop on the Cambrian Coast Line in Gwynedd, Wales, serving the village of Llanbedr and nearby coastal areas.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Llwynypia railway station
Target entity description: Llwynypia railway station is a local stop on the Rhondda Line in Rhondda Cynon Taf, Wales, providing rail services between the former mining village of Llwynypia and larger hubs such as Cardiff.
  • A. Llanymynech railway station
    Llanymynech railway station is a disused former railway station in Llanymynech, Powys, Wales, that once served the village on historic regional rail lines.
  • B. Nant Gwernol railway station
    Nant Gwernol railway station is the upper mountain terminus of the historic narrow-gauge Talyllyn Railway in Mid Wales, serving as a scenic endpoint for heritage steam train services.
  • C. Llanwrtyd railway station
    Llanwrtyd railway station is a small rural stop in Powys, Wales, serving the town of Llanwrtyd Wells on the scenic Heart of Wales Line.
  • D. Glyndyfrdwy railway station
    Glyndyfrdwy railway station is a preserved heritage railway stop in Denbighshire, Wales, serving as one of the intermediate stations on the volunteer-run Llangollen Railway.
  • E. Llanbedr railway station
    Llanbedr railway station is a small rural stop on the Cambrian Coast Line in Gwynedd, Wales, serving the village of Llanbedr and nearby coastal areas.
  • F. None of above. chosen

Provenance (2 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_69da6265f8f0819080b29c752a574088 completed April 11, 2026, 3:01 p.m.
NER Named-entity recognition batch_69e667e0a0488190a25d92aaf300be4a completed April 20, 2026, 5:52 p.m.
Created at: April 11, 2026, 11:34 p.m.