Triple

T8661227
Position Surface form Disambiguated ID Type / Status
Subject LNER Class A3 E205551 entity
Predicate era P200 FINISHED
Object Big Four era of British railways E88871 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: Big Four era of British railways | Statement: [LNER Class A3, era, Big Four era of British railways]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Big Four era of British railways
Context triple: [LNER Class A3, era, Big Four era of British railways]
  • A. Cambrian Railways era
    The Cambrian Railways era refers to the historical period when the Cambrian Railways company operated an extensive network of rural railway lines across mid and west Wales and the English borderlands before its absorption into the Great Western Railway in the early 20th century.
  • B. The Reshaping of British Railways
    The Reshaping of British Railways was a 1963 British government report by Dr. Richard Beeching that recommended widespread railway line and station closures, fundamentally reshaping the UK rail network.
  • C. Big Four (British railway companies) chosen
    The Big Four were the four major private railway companies that dominated rail transport in Great Britain between the 1923 Grouping and nationalisation in 1948.
  • D. London & Continental Railways
    London & Continental Railways is a UK government-owned property and development company best known for its role in major rail-related regeneration projects such as those around King’s Cross.
  • E. Anglia Railways
    Anglia Railways was a former British train operating company that ran passenger rail services in East Anglia following the privatisation of UK railways.
  • 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_69ca8350897c819086cde7596fbe5fe7 completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc487147248190b5f1bff836a11e68 completed March 31, 2026, 10:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69ceccfda1dc8190a3b93b1c7e813f33 completed April 2, 2026, 8:09 p.m.
Created at: March 30, 2026, 6:30 p.m.