Triple

T5313784
Position Surface form Disambiguated ID Type / Status
Subject Voyager family E119095 entity
Predicate hasSubclass P1244 FINISHED
Object British Rail Class 220
The British Rail Class 220 is a high-speed diesel-electric multiple unit train used in the UK for intercity services, known as part of the Voyager family built by Bombardier.
 E513488 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 220 | Statement: [Voyager family, hasSubclass, British Rail Class 220]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: British Rail Class 220
Context triple: [Voyager family, hasSubclass, British Rail Class 220]
  • A. British Rail Class 158
    The British Rail Class 158 is a diesel multiple-unit train built in the late 1980s and early 1990s for regional and intercity services across the UK rail network.
  • B. British Rail Class 159
    The British Rail Class 159 is a diesel multiple-unit train used for long-distance regional services in the UK, particularly known for operating intercity-style routes in the southwest of England.
  • C. British Rail Class 450
    The British Rail Class 450 is a fleet of electric multiple unit commuter trains operated in southern England, particularly on suburban and regional services.
  • D. British Rail Class 375
    The British Rail Class 375 is a fleet of electric multiple-unit passenger trains operated by Southeastern on suburban and regional services in southeast England.
  • 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 220
Triple: [Voyager family, hasSubclass, British Rail Class 220]
Generated description
The British Rail Class 220 is a high-speed diesel-electric multiple unit train used in the UK for intercity services, known as part of the Voyager family built by Bombardier.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: British Rail Class 220
Target entity description: The British Rail Class 220 is a high-speed diesel-electric multiple unit train used in the UK for intercity services, known as part of the Voyager family built by Bombardier.
  • A. British Rail Class 158
    The British Rail Class 158 is a diesel multiple-unit train built in the late 1980s and early 1990s for regional and intercity services across the UK rail network.
  • B. British Rail Class 159
    The British Rail Class 159 is a diesel multiple-unit train used for long-distance regional services in the UK, particularly known for operating intercity-style routes in the southwest of England.
  • C. British Rail Class 450
    The British Rail Class 450 is a fleet of electric multiple unit commuter trains operated in southern England, particularly on suburban and regional services.
  • D. British Rail Class 375
    The British Rail Class 375 is a fleet of electric multiple-unit passenger trains operated by Southeastern on suburban and regional services in southeast England.
  • 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

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_69bd446b57bc8190a513d2e6c40314f3 completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd854d947081909e51b27e40940580 completed March 20, 2026, 5:35 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf21b546a481909d18cad5ec391705 completed March 21, 2026, 10:54 p.m.
NEDg Description generation batch_69bf2297d2e48190b0040420b8b76112 completed March 21, 2026, 10:58 p.m.
NED2 Entity disambiguation (via description) batch_69bf22e8286481909a828fe260f22106 completed March 21, 2026, 10:59 p.m.
Created at: March 20, 2026, 1:54 p.m.