Triple

T2981384
Position Surface form Disambiguated ID Type / Status
Subject Bridgend railway station E80517 entity
Predicate locatedOnLine P2409 FINISHED
Object Vale of Glamorgan Line
The Vale of Glamorgan Line is a railway route in South Wales that connects Cardiff with coastal towns such as Barry and Bridgend, serving both commuter and regional passenger traffic.
 E317925 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: Vale of Glamorgan Line | Statement: [Bridgend railway station, locatedOnLine, Vale of Glamorgan Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Vale of Glamorgan Line
Context triple: [Bridgend railway station, locatedOnLine, Vale of Glamorgan Line]
  • A. Cynwyd Line
    The Cynwyd Line is a short commuter rail service in the Philadelphia area operated by SEPTA, running between Center City and the Cynwyd neighborhood in Lower Merion Township.
  • B. Merthyr Line
    The Merthyr Line is a commuter rail route in South Wales that connects Cardiff with Merthyr Tydfil and surrounding Valleys communities.
  • C. Rhymney Line
    The Rhymney Line is a suburban railway route in South Wales that connects Cardiff with the town of Rhymney, forming part of the Valley Lines network.
  • D. South Wales Main Line
    The South Wales Main Line is a major railway route in Wales that connects London and the west of England with key South Wales cities such as Cardiff and Swansea.
  • E. West Wales Line
    The West Wales Line is a railway route in southwest Wales that links the South Wales rail network to coastal towns such as Carmarthen, Milford Haven, and Fishguard.
  • 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: Vale of Glamorgan Line
Triple: [Bridgend railway station, locatedOnLine, Vale of Glamorgan Line]
Generated description
The Vale of Glamorgan Line is a railway route in South Wales that connects Cardiff with coastal towns such as Barry and Bridgend, serving both commuter and regional passenger traffic.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Vale of Glamorgan Line
Target entity description: The Vale of Glamorgan Line is a railway route in South Wales that connects Cardiff with coastal towns such as Barry and Bridgend, serving both commuter and regional passenger traffic.
  • A. Cynwyd Line
    The Cynwyd Line is a short commuter rail service in the Philadelphia area operated by SEPTA, running between Center City and the Cynwyd neighborhood in Lower Merion Township.
  • B. Merthyr Line
    The Merthyr Line is a commuter rail route in South Wales that connects Cardiff with Merthyr Tydfil and surrounding Valleys communities.
  • C. Rhymney Line
    The Rhymney Line is a suburban railway route in South Wales that connects Cardiff with the town of Rhymney, forming part of the Valley Lines network.
  • D. South Wales Main Line
    The South Wales Main Line is a major railway route in Wales that connects London and the west of England with key South Wales cities such as Cardiff and Swansea.
  • E. West Wales Line
    The West Wales Line is a railway route in southwest Wales that links the South Wales rail network to coastal towns such as Carmarthen, Milford Haven, and Fishguard.
  • 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_69ad8b15f6ac8190be5fd16a33edcb4f completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad99a098e08190976eb4b019818f67 completed March 8, 2026, 3:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69b12e31a8188190bd5ad6c9757e7141 completed March 11, 2026, 8:56 a.m.
NEDg Description generation batch_69b131fc55f88190a6220816f39e7d20 completed March 11, 2026, 9:12 a.m.
NED2 Entity disambiguation (via description) batch_69b1c821b31081908cfa7273a7055188 completed March 11, 2026, 7:53 p.m.
Created at: March 8, 2026, 2:58 p.m.