Triple

T764644
Position Surface form Disambiguated ID Type / Status
Subject South Wales Main Line E16146 entity
Predicate historicalOperator P2834 FINISHED
Object Great Western Railway (historic company) E28420 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: Great Western Railway (historic company) | Statement: [South Wales Main Line, historicalOperator, Great Western Railway (historic company)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Great Western Railway (historic company)
Context triple: [South Wales Main Line, historicalOperator, Great Western Railway (historic company)]
  • A. Great Western Railway chosen
    Great Western Railway is a major British train operating company providing intercity and regional rail services across western and southern England and South Wales.
  • B. Southern Railway (UK)
    Southern Railway (UK) was a major British railway company formed in 1923 that operated routes in southern England, including busy commuter and coastal lines, until nationalisation in 1948.
  • C. British Railways Western Region
    British Railways Western Region was the post-nationalisation division of British Rail responsible for former Great Western Railway routes across western and southwestern England and South Wales.
  • D. London, Midland and Scottish Railway
    The London, Midland and Scottish Railway was a major British railway company formed in 1923 that operated an extensive network across England, Scotland, and Wales until nationalisation in 1948.
  • E. London and North Western Railway
    London and North Western Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across England and Wales before becoming part of the London, Midland and Scottish Railway in 1923.
  • 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_69a493684ee48190bd43b7c78da4aec8 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a4a69dfeb08190b54a476cfa66e6d6 completed March 1, 2026, 8:50 p.m.
NED1 Entity disambiguation (via context triple) batch_69a7c70c30d48190838ebe5db89d0b7a completed March 4, 2026, 5:45 a.m.
Created at: March 1, 2026, 7:37 p.m.