Triple

T21569022
Position Surface form Disambiguated ID Type / Status
Subject English Welsh & Scottish Railway E532235 entity
Predicate operatedLocomotiveClass P67417 FINISHED
Object British Rail Class 67 — NE NERFINISHED

How this triple was built (3 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 67 | Statement: [English Welsh & Scottish Railway, operatedLocomotiveClass, British Rail Class 67]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: British Rail Class 67
Context triple: [English Welsh & Scottish Railway, operatedLocomotiveClass, British Rail Class 67]
  • A. British Rail Class 86
    The British Rail Class 86 is a class of electric locomotives introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes in the UK.
  • B. British Rail Class 66
    The British Rail Class 66 is a widely used diesel-electric freight locomotive type in the UK and parts of Europe, known for its reliability and dominance in modern rail freight operations.
  • C. British Rail Class 166
    The British Rail Class 166 is a diesel multiple-unit train used primarily for regional and commuter services in the UK, known for its higher speed and comfort compared to earlier local units.
  • D. British Rail Class 707
    The British Rail Class 707 is a fleet of modern electric multiple-unit commuter trains built by Siemens for high-frequency suburban services in the South East of England.
  • E. British Rail Class 376
    The British Rail Class 376 is a type of electric multiple unit train operated by Southeastern for high-capacity suburban commuter services in the London area.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: British Rail Class 67
Target entity description: The British Rail Class 67 is a high-speed diesel-electric locomotive built by Alstom in the late 1990s for passenger and mail services on the UK rail network.
  • A. British Rail Class 86
    The British Rail Class 86 is a class of electric locomotives introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes in the UK.
  • B. British Rail Class 66
    The British Rail Class 66 is a widely used diesel-electric freight locomotive type in the UK and parts of Europe, known for its reliability and dominance in modern rail freight operations.
  • C. British Rail Class 166
    The British Rail Class 166 is a diesel multiple-unit train used primarily for regional and commuter services in the UK, known for its higher speed and comfort compared to earlier local units.
  • D. British Rail Class 707
    The British Rail Class 707 is a fleet of modern electric multiple-unit commuter trains built by Siemens for high-frequency suburban services in the South East of England.
  • E. British Rail Class 376
    The British Rail Class 376 is a type of electric multiple unit train operated by Southeastern for high-capacity suburban commuter services in the London area.
  • F. None of above. chosen

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_69e0c460db088190828c64206a450273 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69eee9cb9718819094fc95b25df68bd1 completed April 27, 2026, 4:44 a.m.
Created at: April 16, 2026, 6:30 p.m.