Triple

T6015524
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 730 E133939 entity
Predicate category P87 FINISHED
Object West Midlands Trains rolling stock
West Midlands Trains rolling stock refers to the fleet of passenger trains operated by West Midlands Trains on services in the West Midlands and surrounding regions of England.
E561641 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: West Midlands Trains rolling stock | Statement: [British Rail Class 730, category, West Midlands Trains rolling stock]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: West Midlands Trains rolling stock
Context triple: [British Rail Class 730, category, West Midlands Trains rolling stock]
  • A. TransPennine Express Nova fleet
    The TransPennine Express Nova fleet is a modern series of branded intercity trains used by TransPennine Express in the UK, comprising multiple train classes designed to provide faster, higher-capacity services across its network.
  • B. 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.
  • C. Wessex Trains (past)
    Wessex Trains was a former British train operating company in the UK that provided regional and local passenger rail services in the West Country and surrounding areas until its services were absorbed into other franchises.
  • D. West Midlands Railway
    West Midlands Railway is a British train operating company providing regional and commuter rail services across the West Midlands and surrounding areas of 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: West Midlands Trains rolling stock
Triple: [British Rail Class 730, category, West Midlands Trains rolling stock]
Generated description
West Midlands Trains rolling stock refers to the fleet of passenger trains operated by West Midlands Trains on services in the West Midlands and surrounding regions of England.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: West Midlands Trains rolling stock
Target entity description: West Midlands Trains rolling stock refers to the fleet of passenger trains operated by West Midlands Trains on services in the West Midlands and surrounding regions of England.
  • A. TransPennine Express Nova fleet
    The TransPennine Express Nova fleet is a modern series of branded intercity trains used by TransPennine Express in the UK, comprising multiple train classes designed to provide faster, higher-capacity services across its network.
  • B. 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.
  • C. Wessex Trains (past)
    Wessex Trains was a former British train operating company in the UK that provided regional and local passenger rail services in the West Country and surrounding areas until its services were absorbed into other franchises.
  • D. West Midlands Railway
    West Midlands Railway is a British train operating company providing regional and commuter rail services across the West Midlands and surrounding areas of 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_69c0087361a48190905c6b55969852b8 completed March 22, 2026, 3:19 p.m.
NER Named-entity recognition batch_69c04f80ec108190ae9711727debb061 completed March 22, 2026, 8:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69c108ade3948190994fbaa2a5539216 completed March 23, 2026, 9:32 a.m.
NEDg Description generation batch_69c10a4a09bc8190bca9ede98ec5ede9 completed March 23, 2026, 9:39 a.m.
NED2 Entity disambiguation (via description) batch_69c10ae181c48190bf511ef29bcd493a completed March 23, 2026, 9:41 a.m.
Created at: March 22, 2026, 4:06 p.m.