Triple

T6350291
Position Surface form Disambiguated ID Type / Status
Subject British Rail Engineering Limited E142851 entity
Predicate notableWork P4 FINISHED
Object British Rail Class 43 High Speed Train power cars
The British Rail Class 43 High Speed Train power cars are iconic diesel-electric locomotives that formed the driving units of the UK’s InterCity 125 trains, once holding the world speed record for diesel traction and transforming long-distance rail travel in Britain.
E587329 NE FINISHED

How this triple was built (4 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 43 High Speed Train power cars | Statement: [British Rail Engineering Limited, notableWork, British Rail Class 43 High Speed Train power cars]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: British Rail Class 43 High Speed Train power cars
Context triple: [British Rail Engineering Limited, notableWork, British Rail Class 43 High Speed Train power cars]
  • A. British Rail Class 373
    The British Rail Class 373 is a high-speed electric multiple unit train designed for cross-Channel services through the Channel Tunnel, primarily operated by Eurostar between the UK and mainland Europe.
  • 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 153
    The British Rail Class 153 is a single-car diesel multiple unit train used on regional and rural passenger services across the UK rail network.
  • D. British Rail Class 142
    The British Rail Class 142 is a type of diesel multiple unit "Pacer" train built in the 1980s for use on regional and commuter rail services in the UK, known for its bus-derived body design and basic ride quality.
  • E. British Rail Class 323
    The British Rail Class 323 is a type of electric multiple unit train widely used on suburban and commuter rail services in the West Midlands and North West England.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: British Rail Class 43 High Speed Train power cars
Triple: [British Rail Engineering Limited, notableWork, British Rail Class 43 High Speed Train power cars]
Generated description
The British Rail Class 43 High Speed Train power cars are iconic diesel-electric locomotives that formed the driving units of the UK’s InterCity 125 trains, once holding the world speed record for diesel traction and transforming long-distance rail travel in Britain.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: British Rail Class 43 High Speed Train power cars
Target entity description: The British Rail Class 43 High Speed Train power cars are iconic diesel-electric locomotives that formed the driving units of the UK’s InterCity 125 trains, once holding the world speed record for diesel traction and transforming long-distance rail travel in Britain.
  • A. British Rail Class 143
    The British Rail Class 143 is a type of diesel multiple unit "Pacer" train built in the 1980s for use on regional and commuter rail services in the UK.
  • B. British Rail Class 373
    The British Rail Class 373 is a high-speed electric multiple unit train designed for cross-Channel services through the Channel Tunnel, primarily operated by Eurostar between the UK and mainland Europe.
  • C. 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.
  • D. British Rail Class 153
    The British Rail Class 153 is a single-car diesel multiple unit train used on regional and rural passenger services across the UK rail network.
  • E. British Rail Class 142
    The British Rail Class 142 is a type of diesel multiple unit "Pacer" train built in the 1980s for use on regional and commuter rail services in the UK, known for its bus-derived body design and basic ride quality.
  • F. None of above. chosen

Provenance (5 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_69c6044fcd288190abdc5746e2904928 completed March 27, 2026, 4:15 a.m.
NEDg Description generation batch_69c6083573c48190ba629b72cbaf4ef3 completed March 27, 2026, 4:31 a.m.
NED2 Entity disambiguation (via description) batch_69c6092e12d481909b41fd35d6ae1d57 completed March 27, 2026, 4:35 a.m.
Created at: March 22, 2026, 4:31 p.m.