Triple

T6996111
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 387 E162218 entity
Predicate builder P3143 FINISHED
Object Bombardier Transportation Derby Litchurch Lane Works E595719 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: Bombardier Transportation Derby Litchurch Lane Works | Statement: [British Rail Class 387, builder, Bombardier Transportation Derby Litchurch Lane Works]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bombardier Transportation Derby Litchurch Lane Works
Context triple: [British Rail Class 387, builder, Bombardier Transportation Derby Litchurch Lane Works]
  • A. Bombardier Transportation Derby Litchurch Lane Works chosen
    Bombardier Transportation Derby Litchurch Lane Works is a major British train manufacturing and assembly plant in Derby known for producing multiple generations of passenger rolling stock for the UK rail network.
  • B. Alstom Washwood Heath
    Alstom Washwood Heath was a major train manufacturing and maintenance facility in Birmingham, England, known for producing high-speed and electric multiple unit trains for the UK rail network.
  • C. Bombardier Cityrunner trams
    Bombardier Cityrunner trams are a family of low-floor, modern light rail vehicles designed for urban public transport systems in various cities worldwide.
  • D. Railway Technical Centre
    The Railway Technical Centre is a major British rail research and development facility in Derby that has historically served as the central hub for engineering, testing, and innovation for the UK railway industry.
  • E. York Carriage Works
    York Carriage Works was a major railway rolling stock manufacturing and maintenance facility in York, England, historically significant for building and servicing trains for the British rail network.
  • 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_69c68857ffc08190857dc62cd5253777 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6dbedafa48190af0d2b47e3a1e17e completed March 27, 2026, 7:35 p.m.
NED1 Entity disambiguation (via context triple) batch_69c76a1fa11481908450978acc1e0913 completed March 28, 2026, 5:41 a.m.
Created at: March 27, 2026, 2:32 p.m.