Triple

T21569024
Position Surface form Disambiguated ID Type / Status
Subject English Welsh & Scottish Railway E532235 entity
Predicate operatedLocomotiveClass P67417 FINISHED
Object British Rail Class 92
The British Rail Class 92 is a dual-voltage electric locomotive designed primarily for heavy freight and sleeper services through the Channel Tunnel and on electrified routes in the UK and Europe.
E1514945 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 92 | Statement: [English Welsh & Scottish Railway, operatedLocomotiveClass, British Rail Class 92]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: British Rail Class 92
Context triple: [English Welsh & Scottish Railway, operatedLocomotiveClass, British Rail Class 92]
  • A. British Rail Class 91
    The British Rail Class 91 is a high-speed electric locomotive built in the late 1980s for InterCity 225 services on the East Coast Main Line, known for its streamlined design and 140 mph capability.
  • B. British Rail Class 90
    The British Rail Class 90 is a class of electric locomotives introduced in the late 1980s for high-speed passenger and freight services on the UK’s electrified main lines.
  • C. British Rail Class 319
    The British Rail Class 319 is a dual-voltage electric multiple unit train introduced in the late 1980s for cross-London services, notably on the Thameslink route.
  • D. British Rail Class 172
    The British Rail Class 172 is a diesel multiple-unit train used on regional and suburban services in the UK, featuring improved performance, reliability, and passenger comfort over earlier Turbostar units.
  • E. British Rail Class 165
    The British Rail Class 165 is a diesel multiple-unit commuter train used primarily on suburban and regional services in the south of 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 92
Triple: [English Welsh & Scottish Railway, operatedLocomotiveClass, British Rail Class 92]
Generated description
The British Rail Class 92 is a dual-voltage electric locomotive designed primarily for heavy freight and sleeper services through the Channel Tunnel and on electrified routes in the UK and Europe.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: British Rail Class 92
Target entity description: The British Rail Class 92 is a dual-voltage electric locomotive designed primarily for heavy freight and sleeper services through the Channel Tunnel and on electrified routes in the UK and Europe.
  • A. British Rail Class 91
    The British Rail Class 91 is a high-speed electric locomotive built in the late 1980s for InterCity 225 services on the East Coast Main Line, known for its streamlined design and 140 mph capability.
  • B. British Rail Class 90
    The British Rail Class 90 is a class of electric locomotives introduced in the late 1980s for high-speed passenger and freight services on the UK’s electrified main lines.
  • C. British Rail Class 319
    The British Rail Class 319 is a dual-voltage electric multiple unit train introduced in the late 1980s for cross-London services, notably on the Thameslink route.
  • D. British Rail Class 172
    The British Rail Class 172 is a diesel multiple-unit train used on regional and suburban services in the UK, featuring improved performance, reliability, and passenger comfort over earlier Turbostar units.
  • E. British Rail Class 165
    The British Rail Class 165 is a diesel multiple-unit commuter train used primarily on suburban and regional services in the south of England.
  • 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_6a0a7b5491e48190b699cb40384ad193 completed May 18, 2026, 2:37 a.m.
NEDg Description generation batch_6a0a7ca4fecc8190926a8d133cd67ba7 completed May 18, 2026, 2:42 a.m.
NED2 Entity disambiguation (via description) batch_6a0a7d06cb0c819093c960f71861ede8 completed May 18, 2026, 2:44 a.m.
Created at: April 16, 2026, 6:30 p.m.