Triple

T6350295
Position Surface form Disambiguated ID Type / Status
Subject British Rail Engineering Limited E142851 entity
Predicate notableWork P4 FINISHED
Object British Rail Class 56 diesel-electric locomotives E626142 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: British Rail Class 56 diesel-electric locomotives | Statement: [British Rail Engineering Limited, notableWork, British Rail Class 56 diesel-electric locomotives]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: British Rail Class 56 diesel-electric locomotives
Context triple: [British Rail Engineering Limited, notableWork, British Rail Class 56 diesel-electric locomotives]
  • A. British Rail Class 56 chosen
    The British Rail Class 56 is a heavy freight diesel-electric locomotive introduced in the 1970s for high-power haulage duties on the UK rail network.
  • B. British Rail Class 57
    The British Rail Class 57 is a rebuilt diesel-electric locomotive class for the UK rail network, created by re-engineering older locomotives with updated engines and systems to extend their service life and improve performance.
  • C. British Rail Class 50
    The British Rail Class 50 is a class of powerful diesel-electric locomotives built in the late 1960s for high-speed passenger services on the British railway network, particularly on the West Coast Main Line.
  • D. 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.
  • E. British Rail Class 37
    The British Rail Class 37 is a class of diesel-electric locomotives introduced in the early 1960s, renowned for their distinctive growling engine sound and long service life across the UK 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_69c008d6dcbc8190aa1c2f1fd8916b42 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c067bcec2c8190bb383605847b0f0b completed March 22, 2026, 10:05 p.m.
NED1 Entity disambiguation (via context triple) batch_69c77510f80c81908fe7784bdaa640c5 completed March 28, 2026, 6:28 a.m.
Created at: March 22, 2026, 4:31 p.m.