Triple

T5907022
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 379 E131364 entity
Predicate successor P78 FINISHED
Object British Rail Class 745
The British Rail Class 745 is a modern electric multiple unit train built for Greater Anglia, designed for high-capacity, intercity and airport services on the UK rail network.
E620866 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 745 | Statement: [British Rail Class 379, successor, British Rail Class 745]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: British Rail Class 745
Context triple: [British Rail Class 379, successor, British Rail Class 745]
  • A. British Rail Class 377
    The British Rail Class 377 is a fleet of electric multiple-unit commuter trains widely used in southeast England, particularly by Govia Thameslink Railway services.
  • B. British Rail Class 465
    The British Rail Class 465 is a family of electric multiple-unit commuter trains used primarily on suburban routes in Southeast England, particularly around London.
  • C. British Rail Class 166
    The British Rail Class 166 is a diesel multiple-unit train used primarily for regional and commuter services in the UK, known for its higher speed and comfort compared to earlier local units.
  • 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 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 745
Triple: [British Rail Class 379, successor, British Rail Class 745]
Generated description
The British Rail Class 745 is a modern electric multiple unit train built for Greater Anglia, designed for high-capacity, intercity and airport services on the UK rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: British Rail Class 745
Target entity description: The British Rail Class 745 is a modern electric multiple unit train built for Greater Anglia, designed for high-capacity, intercity and airport services on the UK rail network.
  • A. British Rail Class 377
    The British Rail Class 377 is a fleet of electric multiple-unit commuter trains widely used in southeast England, particularly by Govia Thameslink Railway services.
  • B. British Rail Class 465
    The British Rail Class 465 is a family of electric multiple-unit commuter trains used primarily on suburban routes in Southeast England, particularly around London.
  • C. British Rail Class 166
    The British Rail Class 166 is a diesel multiple-unit train used primarily for regional and commuter services in the UK, known for its higher speed and comfort compared to earlier local units.
  • 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 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_69c0085864a88190a569c05ff7d65f29 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c03772d9dc8190899fe49ef887e685 completed March 22, 2026, 6:39 p.m.
NED1 Entity disambiguation (via context triple) batch_69c723a7e26c8190bdd0dd476eac3492 completed March 28, 2026, 12:41 a.m.
NEDg Description generation batch_69c7241cfde88190a6a085ec97a3707a completed March 28, 2026, 12:43 a.m.
NED2 Entity disambiguation (via description) batch_69c7245b93f081909d3d88c9ca273b77 completed March 28, 2026, 12:44 a.m.
Created at: March 22, 2026, 3:59 p.m.