Triple

T217824
Position Surface form Disambiguated ID Type / Status
Subject Glasgow Central E4145 entity
Predicate formerOperator P179 FINISHED
Object London Midland and Scottish Railway E15342 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 Midland and Scottish Railway | Statement: [Glasgow Central, formerOperator, London Midland and Scottish Railway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: London Midland and Scottish Railway
Context triple: [Glasgow Central, formerOperator, London Midland and Scottish Railway]
  • A. London, Midland and Scottish Railway chosen
    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.
  • B. 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.
  • C. Lancashire and Yorkshire Railway
    The Lancashire and Yorkshire Railway was a major pre-grouping British railway company that operated an extensive network of lines across industrial northern England during the 19th and early 20th centuries.
  • D. British Rail
    British Rail was the state-owned company that operated most of the railway services in Great Britain from the late 1940s until the privatization of the rail network in the 1990s.
  • E. Great Northern Railway
    Great Northern Railway was a major American transcontinental railroad that operated in the northern United States, connecting the Great Lakes to the Pacific Northwest.
  • 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_69a2573508588190b522c2476d91acfe completed Feb. 28, 2026, 2:47 a.m.
NER Named-entity recognition batch_69a25c5062e48190833be10e4770e1e9 completed Feb. 28, 2026, 3:09 a.m.
NED1 Entity disambiguation (via context triple) batch_69a3441e48b48190849c7bff04134ac9 completed Feb. 28, 2026, 7:38 p.m.
Created at: Feb. 28, 2026, 2:53 a.m.