Triple

T22348662
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 155 E552466 entity
Predicate designedBy P184 FINISHED
Object British Rail Engineering Limited (concept) 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 Engineering Limited (concept) | Statement: [British Rail Class 155, designedBy, British Rail Engineering Limited (concept)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: British Rail Engineering Limited (concept)
Context triple: [British Rail Class 155, designedBy, British Rail Engineering Limited (concept)]
  • A. British Rail Engineering Limited chosen
    British Rail Engineering Limited was the former engineering subsidiary of British Rail, responsible for designing, building, and maintaining much of the UK’s rolling stock and railway equipment.
  • B. 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.
  • C. LNER mechanical engineering department
    The LNER mechanical engineering department was the division of the London and North Eastern Railway responsible for the design, development, and maintenance of its steam locomotives and rolling stock.
  • 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. British Rail Mark 4 coaching stock
    British Rail Mark 4 coaching stock is a later-generation fleet of high-speed passenger railway carriages used primarily on Britain’s East Coast Main Line, designed for improved comfort, safety, and performance over earlier designs.
  • 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_69e11e4a0ad08190a385b4d343cf6524 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f1579a1c308190ae2174f99ae317ab completed April 29, 2026, 12:58 a.m.
Created at: April 16, 2026, 8:43 p.m.