Triple

T20316172
Position Surface form Disambiguated ID Type / Status
Subject BR Derby Works E510384 entity
Predicate designed P184 FINISHED
Object British Rail Class 44 — 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: British Rail Class 44 | Statement: [BR Derby Works, designed, British Rail Class 44]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: British Rail Class 44
Context triple: [BR Derby Works, designed, British Rail Class 44]
  • A. British Rail Class 43
    The British Rail Class 43 is a high-speed diesel-electric locomotive best known for powering the InterCity 125 trains that long held the world speed record for diesel traction in regular passenger service in the UK.
  • B. British Rail Class 444
    The British Rail Class 444 is a fleet of modern electric multiple-unit passenger trains used by South Western Railway for long-distance services on routes including those from London Waterloo.
  • C. British Rail Class 47
    The British Rail Class 47 is a widely used diesel-electric locomotive class introduced in the 1960s, notable for its extensive service across the UK rail network with both passenger and freight trains.
  • D. British Rail Class 466
    The British Rail Class 466 is a type of electric multiple unit train used on suburban and commuter services in Southeast England as part of the Networker family.
  • E. British Rail Class 378
    The British Rail Class 378 is a type of electric multiple unit train designed for high-capacity, metro-style commuter services on London Overground routes.
  • 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: British Rail Class 44
Target entity description: The British Rail Class 44 is a class of early British diesel-electric locomotives, nicknamed "Peaks," introduced in the late 1950s for mainline passenger and freight services.
  • A. British Rail Class 43
    The British Rail Class 43 is a high-speed diesel-electric locomotive best known for powering the InterCity 125 trains that long held the world speed record for diesel traction in regular passenger service in the UK.
  • B. British Rail Class 444
    The British Rail Class 444 is a fleet of modern electric multiple-unit passenger trains used by South Western Railway for long-distance services on routes including those from London Waterloo.
  • C. British Rail Class 47
    The British Rail Class 47 is a widely used diesel-electric locomotive class introduced in the 1960s, notable for its extensive service across the UK rail network with both passenger and freight trains.
  • D. British Rail Class 466
    The British Rail Class 466 is a type of electric multiple unit train used on suburban and commuter services in Southeast England as part of the Networker family.
  • E. British Rail Class 378
    The British Rail Class 378 is a type of electric multiple unit train designed for high-capacity, metro-style commuter services on London Overground routes.
  • 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_69e0b4c7491c8190961113c4283b10b0 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e67787af188190bc32a3049c9c5b39 completed April 20, 2026, 6:59 p.m.
Created at: April 16, 2026, 11:19 a.m.