Triple

T6836827
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 150 E157470 entity
Predicate operator P179 FINISHED
Object First Great Western (former) E440889 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: First Great Western (former) | Statement: [British Rail Class 150, operator, First Great Western (former)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: First Great Western (former)
Context triple: [British Rail Class 150, operator, First Great Western (former)]
  • A. First Great Western chosen
    First Great Western was a major British train operating company that ran intercity and regional passenger services in western and southwestern England and South Wales before being rebranded as Great Western Railway.
  • B. Great Western Railway
    Great Western Railway was a historic Canadian railway company that played a key role in 19th-century transportation and trade across southern Ontario and into the United States.
  • C. Great Western Railway
    Great Western Railway is a major British train operating company providing intercity and regional rail services across western and southern England and South Wales.
  • D. South Western Railway
    South Western Railway is a zone of Indian Railways responsible for operating and managing rail services primarily across the state of Karnataka and parts of its neighboring regions.
  • E. South Western Railway
    South Western Railway is a major UK train operating company providing regional and long-distance passenger rail services across southwest London, Surrey, Hampshire, Dorset, Wiltshire, Devon, and surrounding areas.
  • 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_69c6882c53608190b99aebef079b23bd completed March 27, 2026, 1:37 p.m.
NER Named-entity recognition batch_69c6d67c1c508190ab39b8aaaaacc628 completed March 27, 2026, 7:11 p.m.
NED1 Entity disambiguation (via context triple) batch_69c723ffce448190ac8edbaaa1517972 completed March 28, 2026, 12:42 a.m.
Created at: March 27, 2026, 2:19 p.m.