Triple

T16655186
Position Surface form Disambiguated ID Type / Status
Subject Waunarlwydd E404708 entity
Predicate hasTransport P1298 FINISHED
Object Waunarlwydd railway station (historical)
Waunarlwydd railway station (historical) was a former railway stop that once served the village of Waunarlwydd in Swansea, Wales, during the era of local branch line passenger services.
 E1225902 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: Waunarlwydd railway station (historical) | Statement: [Waunarlwydd, hasTransport, Waunarlwydd railway station (historical)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Waunarlwydd railway station (historical)
Context triple: [Waunarlwydd, hasTransport, Waunarlwydd railway station (historical)]
  • A. 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.
  • 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. Dyffryn Ardudwy railway station
    Dyffryn Ardudwy railway station is a small rural stop on the Cambrian Coast Line in Gwynedd, Wales, serving the village of Dyffryn Ardudwy and nearby coastal communities.
  • D. Gwersyllt railway station
    Gwersyllt railway station is a local rail stop serving the village of Gwersyllt near Wrexham in North Wales.
  • E. 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.
  • 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: Waunarlwydd railway station (historical)
Triple: [Waunarlwydd, hasTransport, Waunarlwydd railway station (historical)]
Generated description
Waunarlwydd railway station (historical) was a former railway stop that once served the village of Waunarlwydd in Swansea, Wales, during the era of local branch line passenger services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Waunarlwydd railway station (historical)
Target entity description: Waunarlwydd railway station (historical) was a former railway stop that once served the village of Waunarlwydd in Swansea, Wales, during the era of local branch line passenger services.
  • A. 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.
  • 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. Dyffryn Ardudwy railway station
    Dyffryn Ardudwy railway station is a small rural stop on the Cambrian Coast Line in Gwynedd, Wales, serving the village of Dyffryn Ardudwy and nearby coastal communities.
  • D. Gwersyllt railway station
    Gwersyllt railway station is a local rail stop serving the village of Gwersyllt near Wrexham in North Wales.
  • E. 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.
  • 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_69d8838b5fbc81908c6575c132b82e80 completed April 10, 2026, 4:58 a.m.
NER Named-entity recognition batch_69e37bfa45d8819081bf8579a7160389 completed April 18, 2026, 12:41 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0084c6bf8c81909b376875ae038e3f completed May 10, 2026, 1:14 p.m.
NEDg Description generation batch_6a008558218c8190b0e72356ae52afd2 completed May 10, 2026, 1:17 p.m.
NED2 Entity disambiguation (via description) batch_6a008624706881909e9a265a37eeb3fc completed May 10, 2026, 1:20 p.m.
Created at: April 10, 2026, 5:18 a.m.