Triple

T17227774
Position Surface form Disambiguated ID Type / Status
Subject Pontypool and Blaenavon Railway E418162 entity
Predicate operatedBy P86 FINISHED
Object Pontypool and Blaenavon Railway Company E418162 NE FINISHED

How this triple was built (2 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: Pontypool and Blaenavon Railway Company | Statement: [Pontypool and Blaenavon Railway, operatedBy, Pontypool and Blaenavon Railway Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pontypool and Blaenavon Railway Company
Context triple: [Pontypool and Blaenavon Railway, operatedBy, Pontypool and Blaenavon Railway Company]
  • A. Pontypool and Blaenavon Railway chosen
    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.
  • B. Rhymney Railway
    Rhymney Railway was a historic Welsh railway company that primarily served the coal-mining communities of the Rhymney Valley and surrounding areas.
  • 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. 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.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d886d8e96081909870bff6c3d0bf09 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e42de239a08190936a1d635b0b1b87 completed April 19, 2026, 1:20 a.m.
NED1 Entity disambiguation (via context triple) batch_6a01675eae08819093427b4dc1ffee5f completed May 11, 2026, 5:21 a.m.
Created at: April 10, 2026, 5:39 a.m.