Triple

T17253533
Position Surface form Disambiguated ID Type / Status
Subject Pencoed railway station E418817 entity
Predicate locatedBetween P1262 FINISHED
Object Llanharan railway station
Llanharan railway station is a small commuter rail stop in the village of Llanharan in Rhondda Cynon Taf, Wales, served by local services on the South Wales Main Line.
 E1258921 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: Llanharan railway station | Statement: [Pencoed railway station, locatedBetween, Llanharan railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Llanharan railway station
Context triple: [Pencoed railway station, locatedBetween, Llanharan railway station]
  • A. 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.
  • B. Llanhilleth railway station
    Llanhilleth railway station is a local stop on the Ebbw Vale Line in Wales, serving the village of Llanhilleth with regional rail connections.
  • C. Llanaber railway station
    Llanaber railway station is a small coastal stop on the Cambrian Coast Line in Gwynedd, Wales, serving the village of Llanaber near Barmouth.
  • D. Llanbradach railway station
    Llanbradach railway station is a local rail stop serving the village of Llanbradach in Caerphilly, Wales, providing passenger services on the Valley Lines network.
  • 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.
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: Llanharan railway station
Triple: [Pencoed railway station, locatedBetween, Llanharan railway station]
Generated description
Llanharan railway station is a small commuter rail stop in the village of Llanharan in Rhondda Cynon Taf, Wales, served by local services on the South Wales Main Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Llanharan railway station
Target entity description: Llanharan railway station is a small commuter rail stop in the village of Llanharan in Rhondda Cynon Taf, Wales, served by local services on the South Wales Main Line.
  • A. 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.
  • B. Llanhilleth railway station
    Llanhilleth railway station is a local stop on the Ebbw Vale Line in Wales, serving the village of Llanhilleth with regional rail connections.
  • C. Llanaber railway station
    Llanaber railway station is a small coastal stop on the Cambrian Coast Line in Gwynedd, Wales, serving the village of Llanaber near Barmouth.
  • D. Llanbradach railway station
    Llanbradach railway station is a local rail stop serving the village of Llanbradach in Caerphilly, Wales, providing passenger services on the Valley Lines network.
  • 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 (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_69d886d9ab108190b70edd8d17aa1204 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e42e6a1b648190a8bb2deb67bbdfdc completed April 19, 2026, 1:22 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0170fd7f7c81908f417fa758e861a2 completed May 11, 2026, 6:02 a.m.
NEDg Description generation batch_6a01722af058819099ed80edbd2f5d0a completed May 11, 2026, 6:07 a.m.
NED2 Entity disambiguation (via description) batch_6a0172cfe09081908bb64fc39bd2f46d completed May 11, 2026, 6:10 a.m.
Created at: April 10, 2026, 5:39 a.m.