Triple

T13276473
Position Surface form Disambiguated ID Type / Status
Subject Maesteg railway station E316202 entity
Predicate hasServiceTo P6787 FINISHED
Object Garth (Bridgend) railway station
Garth (Bridgend) railway station is a small commuter rail stop in Bridgend County Borough, Wales, serving the local community on the Maesteg Line.
E1034506 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: Garth (Bridgend) railway station | Statement: [Maesteg railway station, hasServiceTo, Garth (Bridgend) railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Garth (Bridgend) railway station
Context triple: [Maesteg railway station, hasServiceTo, Garth (Bridgend) railway station]
  • A. Bridgend railway station
    Bridgend railway station is the main railway hub serving the town of Bridgend in South Wales, providing regional and intercity rail connections.
  • B. Bargoed railway station
    Bargoed railway station is a passenger rail stop in Bargoed, Wales, serving the local community on the Rhymney Valley line.
  • C. 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.
  • D. Tanygrisiau railway station
    Tanygrisiau railway station is a small stop on the heritage Ffestiniog Railway in Gwynedd, Wales, serving the village of Tanygrisiau near Blaenau Ffestiniog.
  • 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: Garth (Bridgend) railway station
Triple: [Maesteg railway station, hasServiceTo, Garth (Bridgend) railway station]
Generated description
Garth (Bridgend) railway station is a small commuter rail stop in Bridgend County Borough, Wales, serving the local community on the Maesteg Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Garth (Bridgend) railway station
Target entity description: Garth (Bridgend) railway station is a small commuter rail stop in Bridgend County Borough, Wales, serving the local community on the Maesteg Line.
  • A. Bridgend railway station
    Bridgend railway station is the main railway hub serving the town of Bridgend in South Wales, providing regional and intercity rail connections.
  • B. Bargoed railway station
    Bargoed railway station is a passenger rail stop in Bargoed, Wales, serving the local community on the Rhymney Valley line.
  • C. 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.
  • D. Tanygrisiau railway station
    Tanygrisiau railway station is a small stop on the heritage Ffestiniog Railway in Gwynedd, Wales, serving the village of Tanygrisiau near Blaenau Ffestiniog.
  • 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_69d806b349908190a9a61dd9323bf153 completed April 9, 2026, 8:06 p.m.
NER Named-entity recognition batch_69d99042f56c819082440c89c0adc442 completed April 11, 2026, 12:05 a.m.
NED1 Entity disambiguation (via context triple) batch_69f71f1c2bac81909ac13624f7972919 completed May 3, 2026, 10:10 a.m.
NEDg Description generation batch_69f72018c4848190941732e3a938278a completed May 3, 2026, 10:14 a.m.
NED2 Entity disambiguation (via description) batch_69f720bf04548190833af70061b017a1 completed May 3, 2026, 10:17 a.m.
Created at: April 9, 2026, 9:26 p.m.