Triple

T20287998
Position Surface form Disambiguated ID Type / Status
Subject Vale of Neath E509939 entity
Predicate hasTransport P1298 FINISHED
Object Vale of Neath Railway (historic)
The Vale of Neath Railway (historic) was a 19th-century Welsh railway line that primarily served the coal and industrial traffic of the Vale of Neath region, connecting it to the wider South Wales rail network.
E1424062 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 Neath Railway (historic) | Statement: [Vale of Neath, hasTransport, Vale of Neath Railway (historic)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Vale of Neath Railway (historic)
Context triple: [Vale of Neath, hasTransport, Vale of Neath Railway (historic)]
  • A. Neath and Brecon Railway (historical)
    The Neath and Brecon Railway was a former railway line in South Wales that linked the industrial valleys and rural communities of Brecknockshire and Glamorgan to the wider British rail network.
  • B. Ebbw Valley Railway
    The Ebbw Valley Railway is a passenger rail line in South Wales that connects communities in the Ebbw Valley with larger hubs such as Cardiff, supporting regional commuting and regeneration.
  • C. Sirhowy Railway
    The Sirhowy Railway was a historic Welsh railway line that played a key role in transporting coal and iron through the Sirhowy Valley during the industrial era.
  • D. Rhymney Railway
    Rhymney Railway was a historic Welsh railway company that primarily served the coal-mining communities of the Rhymney Valley and surrounding areas.
  • E. Pontypool and Blaenavon Railway
    Pontypool and Blaenavon Railway is a preserved heritage railway in South Wales that operates historic trains along a former industrial line serving the Blaenavon World Heritage landscape.
  • 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 Neath Railway (historic)
Triple: [Vale of Neath, hasTransport, Vale of Neath Railway (historic)]
Generated description
The Vale of Neath Railway (historic) was a 19th-century Welsh railway line that primarily served the coal and industrial traffic of the Vale of Neath region, connecting it to the wider South Wales rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Vale of Neath Railway (historic)
Target entity description: The Vale of Neath Railway (historic) was a 19th-century Welsh railway line that primarily served the coal and industrial traffic of the Vale of Neath region, connecting it to the wider South Wales rail network.
  • A. Neath and Brecon Railway (historical)
    The Neath and Brecon Railway was a former railway line in South Wales that linked the industrial valleys and rural communities of Brecknockshire and Glamorgan to the wider British rail network.
  • B. Ebbw Valley Railway
    The Ebbw Valley Railway is a passenger rail line in South Wales that connects communities in the Ebbw Valley with larger hubs such as Cardiff, supporting regional commuting and regeneration.
  • C. Sirhowy Railway
    The Sirhowy Railway was a historic Welsh railway line that played a key role in transporting coal and iron through the Sirhowy Valley during the industrial era.
  • D. Rhymney Railway
    Rhymney Railway was a historic Welsh railway company that primarily served the coal-mining communities of the Rhymney Valley and surrounding areas.
  • E. Pontypool and Blaenavon Railway
    Pontypool and Blaenavon Railway is a preserved heritage railway in South Wales that operates historic trains along a former industrial line serving the Blaenavon World Heritage landscape.
  • 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_69e0b4c652388190b782cad965e5a098 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6769414488190b38e07fd1e989aba completed April 20, 2026, 6:55 p.m.
NED1 Entity disambiguation (via context triple) batch_6a08611398e08190a13590d512619c6d completed May 16, 2026, 12:20 p.m.
NEDg Description generation batch_6a0864fdd72881908e02358584454be0 completed May 16, 2026, 12:37 p.m.
NED2 Entity disambiguation (via description) batch_6a08659cadc08190a73b4dc7e1d28e87 completed May 16, 2026, 12:39 p.m.
Created at: April 16, 2026, 11:09 a.m.