Triple

T20771779
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 221 Super Voyager E511253 entity
Predicate relatedTo P37 FINISHED
Object British Rail Class 222 Meridian 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: British Rail Class 222 Meridian | Statement: [British Rail Class 221 Super Voyager, relatedTo, British Rail Class 222 Meridian]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: British Rail Class 222 Meridian
Context triple: [British Rail Class 221 Super Voyager, relatedTo, British Rail Class 222 Meridian]
  • A. British Rail Class 222 Meridian chosen
    The British Rail Class 222 Meridian is a high-speed diesel-electric multiple unit train used in the UK for intercity services, known for its modern design, improved passenger comfort, and performance on routes such as those operated by East Midlands Railway.
  • B. British Rail Class 221
    The British Rail Class 221 is a fleet of high-speed diesel-electric tilting multiple units used on intercity services in the UK, closely related to the Voyager family of trains.
  • C. British Rail Class 221 Super Voyager
    The British Rail Class 221 Super Voyager is a high-speed tilting diesel-electric multiple unit train used in the UK for intercity services, particularly on long-distance routes.
  • D. British Rail Class 321
    The British Rail Class 321 is a type of electric multiple unit train introduced in the late 1980s for commuter and regional services in the UK, widely used in East Anglia and other routes before being superseded by newer fleets.
  • E. British Rail Class 323
    The British Rail Class 323 is a type of electric multiple unit train widely used on suburban and commuter rail services in the West Midlands and North West England.
  • 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.