Triple

T11837190
Position Surface form Disambiguated ID Type / Status
Subject Chepstow Railway Bridge E281547 entity
Predicate partOfLine P6309 FINISHED
Object South Wales Railway E283912 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: South Wales Railway | Statement: [Chepstow Railway Bridge, partOfLine, South Wales Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: South Wales Railway
Context triple: [Chepstow Railway Bridge, partOfLine, South Wales Railway]
  • A. South Wales Railway chosen
    The South Wales Railway was a 19th-century railway company that built and operated the main line linking Gloucester and later London with key industrial and port cities across South Wales.
  • 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. Ebbw Vale line
    The Ebbw Vale line is a railway route in South Wales that connects Ebbw Vale with larger towns and cities, providing both commuter and regional passenger services.
  • 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_69d6ab276f8c8190b1966a0ef11349ac completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d8a62fec0881908c7b89c0b5bcc9a2 completed April 10, 2026, 7:26 a.m.
NED1 Entity disambiguation (via context triple) batch_69f16765aac481908b4cb474b141d842 completed April 29, 2026, 2:05 a.m.
Created at: April 8, 2026, 9:43 p.m.