Triple

T21804632
Position Surface form Disambiguated ID Type / Status
Subject Irish Rail Mark 3 derivative E538317 entity
Predicate typicalLocomotive P5426 FINISHED
Object Irish Rail 201 class — 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: Irish Rail 201 class | Statement: [Irish Rail Mark 3 derivative, typicalLocomotive, Irish Rail 201 class]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Irish Rail 201 class
Context triple: [Irish Rail Mark 3 derivative, typicalLocomotive, Irish Rail 201 class]
  • A. Irish Rail 071 class
    The Irish Rail 071 class is a fleet of diesel-electric locomotives introduced in the 1970s that became the backbone of mainline passenger and freight services in Ireland for several decades.
  • B. Irish Rail (Mark 3 derivative)
    Irish Rail (Mark 3 derivative) refers to the customized version of British Rail’s Mark 3 passenger coaches operated by Ireland’s national railway for intercity services.
  • C. British Rail Class 159
    The British Rail Class 159 is a diesel multiple-unit train used for long-distance regional services in the UK, particularly known for operating intercity-style routes in the southwest of England.
  • D. 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.
  • E. 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.
  • 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: Irish Rail 201 class
Target entity description: The Irish Rail 201 class is a fleet of General Motors-built diesel-electric locomotives introduced in the 1990s to haul intercity passenger and freight services across Ireland.
  • A. Irish Rail 071 class
    The Irish Rail 071 class is a fleet of diesel-electric locomotives introduced in the 1970s that became the backbone of mainline passenger and freight services in Ireland for several decades.
  • B. Irish Rail (Mark 3 derivative)
    Irish Rail (Mark 3 derivative) refers to the customized version of British Rail’s Mark 3 passenger coaches operated by Ireland’s national railway for intercity services.
  • C. British Rail Class 159
    The British Rail Class 159 is a diesel multiple-unit train used for long-distance regional services in the UK, particularly known for operating intercity-style routes in the southwest of England.
  • D. 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.
  • E. 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.
  • 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_69e0c4733f4081909a86622e7e6d15d2 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69f07801fa8081909098d00947bf8f7f completed April 28, 2026, 9:04 a.m.
Created at: April 16, 2026, 6:53 p.m.