Triple

T21569023
Position Surface form Disambiguated ID Type / Status
Subject English Welsh & Scottish Railway E532235 entity
Predicate operatedLocomotiveClass P67417 FINISHED
Object British Rail Class 60
The British Rail Class 60 is a heavy freight diesel-electric locomotive type built in the late 1980s and early 1990s for use on the UK rail network.
E1513556 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 60 | Statement: [English Welsh & Scottish Railway, operatedLocomotiveClass, British Rail Class 60]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: British Rail Class 60
Context triple: [English Welsh & Scottish Railway, operatedLocomotiveClass, British Rail Class 60]
  • A. British Rail Class 66
    The British Rail Class 66 is a widely used diesel-electric freight locomotive type in the UK and parts of Europe, known for its reliability and dominance in modern rail freight operations.
  • B. British Rail Class 67
    The British Rail Class 67 is a high-speed diesel-electric locomotive built by Alstom in the late 1990s for passenger and mail services on the UK rail network.
  • 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 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.
  • E. 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.
  • 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 60
Triple: [English Welsh & Scottish Railway, operatedLocomotiveClass, British Rail Class 60]
Generated description
The British Rail Class 60 is a heavy freight diesel-electric locomotive type built in the late 1980s and early 1990s for use on the UK rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: British Rail Class 60
Target entity description: The British Rail Class 60 is a heavy freight diesel-electric locomotive type built in the late 1980s and early 1990s for use on the UK rail network.
  • A. British Rail Class 66
    The British Rail Class 66 is a widely used diesel-electric freight locomotive type in the UK and parts of Europe, known for its reliability and dominance in modern rail freight operations.
  • B. British Rail Class 67
    The British Rail Class 67 is a high-speed diesel-electric locomotive built by Alstom in the late 1990s for passenger and mail services on the UK rail network.
  • 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 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.
  • E. 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.
  • 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_69e0c460db088190828c64206a450273 completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69eee9cb9718819094fc95b25df68bd1 completed April 27, 2026, 4:44 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0a735d97808190a771cf85080dbb76 completed May 18, 2026, 2:03 a.m.
NEDg Description generation batch_6a0a74fbaad081908c82af6989820455 completed May 18, 2026, 2:10 a.m.
NED2 Entity disambiguation (via description) batch_6a0a75da70b0819086ad27b3f422c1a9 completed May 18, 2026, 2:13 a.m.
Created at: April 16, 2026, 6:30 p.m.