Triple

T5841581
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 221 Super Voyager E129605 entity
Predicate category P87 FINISHED
Object British Rail diesel multiple units E135560 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 diesel multiple units | Statement: [British Rail Class 221 Super Voyager, category, British Rail diesel multiple units]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: British Rail diesel multiple units
Context triple: [British Rail Class 221 Super Voyager, category, British Rail diesel multiple units]
  • A. British Rail first-generation DMUs
    British Rail first-generation DMUs were early diesel multiple-unit passenger trains introduced in the mid-20th century to modernize and replace steam-hauled services on Britain’s rail network.
  • B. British Rail Mark 3 coaching stock
    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. Voyager diesel-electric multiple units chosen
    The Voyager diesel-electric multiple units are high-speed intercity trains used on long-distance routes across the UK rail network.
  • E. British Rail Class 171
    The British Rail Class 171 is a diesel multiple unit train used primarily by Southern in the UK, closely related to the Class 170 but equipped with different coupling systems for compatibility with other Southern stock.
  • 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_69c0084bd31c8190a796bb6284845e83 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c034d876fc819089818c731116af56 completed March 22, 2026, 6:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0a1a2506481908a3e638c1121bfd0 completed March 23, 2026, 2:12 a.m.
Created at: March 22, 2026, 3:54 p.m.