Triple

T6637361
Position Surface form Disambiguated ID Type / Status
Subject CAF Mark 5 sleeping coaches E150491 entity
Predicate replaced P101 FINISHED
Object British Rail Mark 3 sleeping coaches E511264 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: British Rail Mark 3 sleeping coaches | Statement: [CAF Mark 5 sleeping coaches, replaced, British Rail Mark 3 sleeping coaches]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: British Rail Mark 3 sleeping coaches
Context triple: [CAF Mark 5 sleeping coaches, replaced, British Rail Mark 3 sleeping coaches]
  • A. British Rail Mark 2 sleeping coaches
    British Rail Mark 2 sleeping coaches were mid-20th-century British railway carriages designed to provide overnight sleeping accommodation on long-distance services across the UK rail network.
  • B. British Rail Mark 3 coaching stock chosen
    The British Rail Mark 3 coaching stock is a high-speed, air-conditioned passenger carriage design introduced in the 1970s that became a mainstay of intercity rail services in the UK.
  • C. British Rail Mark 1 coaching stock
    British Rail Mark 1 coaching stock was a standardised generation of passenger railway carriages introduced in the 1950s that formed the backbone of British Rail’s post-war fleet.
  • D. CAF Mark 5 sleeping coaches
    CAF Mark 5 sleeping coaches are modern, purpose-built overnight train carriages designed by Construcciones y Auxiliar de Ferrocarriles (CAF) to provide upgraded sleeper accommodation and amenities on long-distance services in the UK.
  • E. British Rail Class 143
    The British Rail Class 143 is a type of diesel multiple unit "Pacer" train built in the 1980s for use on regional and commuter rail services in the UK.
  • 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_69c687f0ceb08190bf40807bfc605fa5 completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6afcf439c8190b9334b34774da821 completed March 27, 2026, 4:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6e453cb14819093597dda825b4304 completed March 27, 2026, 8:10 p.m.
Created at: March 27, 2026, 1:59 p.m.