Triple

T15942482
Position Surface form Disambiguated ID Type / Status
Subject Ludlow railway station E386599 entity
Predicate preGroupingOperator P179 FINISHED
Object London and North Western Railway E10459 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: London and North Western Railway | Statement: [Ludlow railway station, preGroupingOperator, London and North Western Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London and North Western Railway
Context triple: [Ludlow railway station, preGroupingOperator, London and North Western Railway]
  • A. London and North Western Railway chosen
    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.
  • B. London and North Eastern Railway
    London and North Eastern Railway was a major British railway company formed in 1923, known for operating key routes in eastern and northeastern England and for famous express trains like the Flying Scotsman and Mallard.
  • C. London and South Western Railway
    The London and South Western Railway was a major 19th- and early 20th-century British railway company that operated an extensive network in southwest London, Surrey, Hampshire, and the West Country, including key routes to the south coast and the port of Southampton.
  • D. North Western Railway
    North Western Railway is a fictional railway company featured in The Railway Series books by Rev. W. Awdry, set on the Island of Sodor and known for its anthropomorphic locomotives.
  • E. North Western Railway
    North Western Railway is one of the zones of Indian Railways, overseeing rail operations across parts of Rajasthan and neighboring regions in northwestern India.
  • 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_69d86da750008190987eb26be3f6c118 completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e156cefe948190af40eac92983edbc completed April 16, 2026, 9:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffb5bbc07c819098fd768e2e6b5b3e completed May 9, 2026, 10:31 p.m.
Created at: April 10, 2026, 4:53 a.m.