Triple

T20515798
Position Surface form Disambiguated ID Type / Status
Subject English Electric E503678 entity
Predicate product P490 FINISHED
Object English Electric Mk1 diesel locomotives 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: English Electric Mk1 diesel locomotives | Statement: [English Electric, product, English Electric Mk1 diesel locomotives]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: English Electric Mk1 diesel locomotives
Context triple: [English Electric, product, English Electric Mk1 diesel locomotives]
  • A. British Rail electric locomotives
    British Rail electric locomotives were a fleet of electrically powered engines introduced to modernize and improve the efficiency of rail services across the British railway network.
  • 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. British Rail Class 20 diesel-electric locomotives (later production and overhauls)
    The later-production and overhauled British Rail Class 20 diesel-electric locomotives are a fleet of Bo-Bo freight locomotives modernized and refined by British Rail Engineering Limited for improved reliability and extended mainline service in the UK.
  • D. LMS 8F Class
    The LMS 8F Class is a British heavy freight steam locomotive type widely used by the London, Midland and Scottish Railway and later by British Railways, particularly during World War II.
  • E. LMS Stanier Class 5 4-6-0 "Black Five" locomotives
    The LMS Stanier Class 5 4-6-0 "Black Five" locomotives are a highly successful and versatile class of British mixed-traffic steam engines designed by William Stanier for the London, Midland and Scottish Railway in the 1930s.
  • 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: English Electric Mk1 diesel locomotives
Target entity description: The English Electric Mk1 diesel locomotives were early British mainline diesel-electric engines built by English Electric that played a key role in the transition from steam to diesel traction in the mid-20th century.
  • A. British Rail electric locomotives
    British Rail electric locomotives were a fleet of electrically powered engines introduced to modernize and improve the efficiency of rail services across the British railway network.
  • 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. British Rail Class 20 diesel-electric locomotives (later production and overhauls)
    The later-production and overhauled British Rail Class 20 diesel-electric locomotives are a fleet of Bo-Bo freight locomotives modernized and refined by British Rail Engineering Limited for improved reliability and extended mainline service in the UK.
  • D. LMS 8F Class
    The LMS 8F Class is a British heavy freight steam locomotive type widely used by the London, Midland and Scottish Railway and later by British Railways, particularly during World War II.
  • E. LMS Stanier Class 5 4-6-0 "Black Five" locomotives
    The LMS Stanier Class 5 4-6-0 "Black Five" locomotives are a highly successful and versatile class of British mixed-traffic steam engines designed by William Stanier for the London, Midland and Scottish Railway in the 1930s.
  • 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_69e0b4b2aa788190ae9eb37c1d73b1f1 completed April 16, 2026, 10:06 a.m.
NER Named-entity recognition batch_69e69f41eee481908121e54c7bd691ca completed April 20, 2026, 9:48 p.m.
Created at: April 16, 2026, 11:36 a.m.