Triple

T19054625
Position Surface form Disambiguated ID Type / Status
Subject Pontarddulais E466359 entity
Predicate hasRailwayStation P918 FINISHED
Object Pontarddulais railway station
Pontarddulais railway station is a small local rail stop in Pontarddulais, Swansea, Wales, providing regional passenger services on the West Wales Line.
 E1356091 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: Pontarddulais railway station | Statement: [Pontarddulais, hasRailwayStation, Pontarddulais railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pontarddulais railway station
Context triple: [Pontarddulais, hasRailwayStation, Pontarddulais railway station]
  • A. 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.
  • B. Tywyn railway station
    Tywyn railway station is a small coastal railway stop in Gwynedd, Wales, serving the town of Tywyn on the Cambrian Line.
  • C. Tal-y-Cafn railway station
    Tal-y-Cafn railway station is a small rural stop on the Conwy Valley Line in Wales, serving the village of Tal-y-Cafn and surrounding areas.
  • D. Pont-y-Pant railway station
    Pont-y-Pant railway station is a small rural stop on the Conwy Valley Line in the Lledr Valley of north Wales, serving the local community and walkers in this scenic area.
  • E. Ystrad Mynach railway station
    Ystrad Mynach railway station is a commuter rail stop in Caerphilly County Borough, Wales, providing local and regional services on the Valley Lines network.
  • 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: Pontarddulais railway station
Triple: [Pontarddulais, hasRailwayStation, Pontarddulais railway station]
Generated description
Pontarddulais railway station is a small local rail stop in Pontarddulais, Swansea, Wales, providing regional passenger services on the West Wales Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Pontarddulais railway station
Target entity description: Pontarddulais railway station is a small local rail stop in Pontarddulais, Swansea, Wales, providing regional passenger services on the West Wales Line.
  • A. 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.
  • B. Tywyn railway station
    Tywyn railway station is a small coastal railway stop in Gwynedd, Wales, serving the town of Tywyn on the Cambrian Line.
  • C. Tal-y-Cafn railway station
    Tal-y-Cafn railway station is a small rural stop on the Conwy Valley Line in Wales, serving the village of Tal-y-Cafn and surrounding areas.
  • D. Pont-y-Pant railway station
    Pont-y-Pant railway station is a small rural stop on the Conwy Valley Line in the Lledr Valley of north Wales, serving the local community and walkers in this scenic area.
  • E. Ystrad Mynach railway station
    Ystrad Mynach railway station is a commuter rail stop in Caerphilly County Borough, Wales, providing local and regional services on the Valley Lines network.
  • 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_69d8dd040fb881909af2a964f65ad208 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5dc049f64819093ae9fda26a49bd2 completed April 20, 2026, 7:55 a.m.
NED1 Entity disambiguation (via context triple) batch_6a05c556721081908adc6525fbb76ef8 completed May 14, 2026, 12:51 p.m.
NEDg Description generation batch_6a05c62a43a881909e5453011be393fc completed May 14, 2026, 12:55 p.m.
NED2 Entity disambiguation (via description) batch_6a05c704b21c81909dd690d07ffa1526 completed May 14, 2026, 12:58 p.m.
Created at: April 10, 2026, 12:03 p.m.