Triple

T20772260
Position Surface form Disambiguated ID Type / Status
Subject British Rail Mark 3 coaching stock E511264 entity
Predicate usedBy P260 FINISHED
Object InterCity sector of British Rail — NE NERFINISHED

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: InterCity sector of British Rail | Statement: [British Rail Mark 3 coaching stock, usedBy, InterCity sector of British Rail]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: InterCity sector of British Rail
Context triple: [British Rail Mark 3 coaching stock, usedBy, InterCity sector of British Rail]
  • A. InterCity sector of British Rail chosen
    The InterCity sector of British Rail was the business unit responsible for operating long-distance express passenger services across the British railway network from the 1960s until privatisation in the 1990s.
  • B. British Rail Provincial sector
    The British Rail Provincial sector was the division of British Rail responsible for operating most non-intercity and rural passenger train services across the United Kingdom before sectorisation reforms led to its rebranding as Regional Railways.
  • C. London & South East sector of British Rail
    London & South East sector of British Rail was the former British Rail business sector responsible for commuter and regional passenger services in and around London and the South East of England before the creation of Network SouthEast.
  • 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. British Rail sectorisation era
    The British Rail sectorisation era was a period in the 1980s and early 1990s when the UK’s state-owned railway was reorganised into semi-autonomous business sectors, paving the way for later privatisation.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e0b4ca01148190ac018e57e0cab46f completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c2681ff88190bfe5938c2db6b2c4 completed April 21, 2026, 12:18 a.m.
Created at: April 16, 2026, 12:37 p.m.