Triple

T19208160
Position Surface form Disambiguated ID Type / Status
Subject Pentre E480289 entity
Predicate hasRailwayStation P918 FINISHED
Object Pentre railway station
Pentre railway station is a small local train stop serving the village of Pentre in Rhondda Cynon Taf, Wales.
 E1364852 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: Pentre railway station | Statement: [Pentre, hasRailwayStation, Pentre railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pentre railway station
Context triple: [Pentre, hasRailwayStation, Pentre railway station]
  • A. 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.
  • B. Penrhiwceiber railway station
    Penrhiwceiber railway station is a local passenger rail stop serving the village of Penrhiwceiber in Rhondda Cynon Taf, Wales, on the Aberdare branch of the Valley Lines network.
  • C. 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.
  • D. 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.
  • E. Caergwrle railway station
    Caergwrle railway station is a small rural stop in Flintshire, Wales, serving the village of Caergwrle on the regional rail 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: Pentre railway station
Triple: [Pentre, hasRailwayStation, Pentre railway station]
Generated description
Pentre railway station is a small local train stop serving the village of Pentre in Rhondda Cynon Taf, Wales.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Pentre railway station
Target entity description: Pentre railway station is a small local train stop serving the village of Pentre in Rhondda Cynon Taf, Wales.
  • A. 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.
  • B. Penrhiwceiber railway station
    Penrhiwceiber railway station is a local passenger rail stop serving the village of Penrhiwceiber in Rhondda Cynon Taf, Wales, on the Aberdare branch of the Valley Lines network.
  • C. 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.
  • D. 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.
  • E. Caergwrle railway station
    Caergwrle railway station is a small rural stop in Flintshire, Wales, serving the village of Caergwrle on the regional rail 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_69d8e8cb8c348190b52075823911c869 completed April 10, 2026, 12:10 p.m.
NER Named-entity recognition batch_69e5f99e9f8c8190b73db55f3f8bbf20 completed April 20, 2026, 10:02 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0700e2d04c819099beac3ea6a71c83 completed May 15, 2026, 11:17 a.m.
NEDg Description generation batch_6a07029b7580819090126480b5b1213f completed May 15, 2026, 11:25 a.m.
NED2 Entity disambiguation (via description) batch_6a07030deef08190a582bb6f956ef381 completed May 15, 2026, 11:27 a.m.
Created at: April 10, 2026, 1:20 p.m.