Triple

T8638183
Position Surface form Disambiguated ID Type / Status
Subject Didcot Railway Centre E204573 entity
Predicate preserves P1040 FINISHED
Object Great Western Railway carriages
Great Western Railway carriages are historic passenger coaches from the former Great Western Railway, now preserved as heritage rolling stock and often restored for display and operation on museum and heritage railways.
E747200 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: Great Western Railway carriages | Statement: [Didcot Railway Centre, preserves, Great Western Railway carriages]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Great Western Railway carriages
Context triple: [Didcot Railway Centre, preserves, Great Western Railway carriages]
  • A. British Rail Mark 1 coaching stock
    British Rail Mark 1 coaching stock was a standardised generation of passenger railway carriages introduced in the 1950s that formed the backbone of British Rail’s post-war fleet.
  • B. British Rail Mark 3 coaching stock
    The British Rail Mark 3 coaching stock is a high-speed, air-conditioned passenger carriage design introduced in the 1970s that became a mainstay of intercity rail services in the UK.
  • C. Anglia Railways
    Anglia Railways was a former British train operating company that ran passenger rail services in East Anglia following the privatisation of UK railways.
  • D. British Rail Mark 2 sleeping coaches
    British Rail Mark 2 sleeping coaches were mid-20th-century British railway carriages designed to provide overnight sleeping accommodation on long-distance services across the UK rail network.
  • E. British Rail
    British Rail was the state-owned company that operated most of the railway services in Great Britain from the late 1940s until the privatization of the rail network in the 1990s.
  • 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: Great Western Railway carriages
Triple: [Didcot Railway Centre, preserves, Great Western Railway carriages]
Generated description
Great Western Railway carriages are historic passenger coaches from the former Great Western Railway, now preserved as heritage rolling stock and often restored for display and operation on museum and heritage railways.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Great Western Railway carriages
Target entity description: Great Western Railway carriages are historic passenger coaches from the former Great Western Railway, now preserved as heritage rolling stock and often restored for display and operation on museum and heritage railways.
  • A. British Rail Mark 1 coaching stock
    British Rail Mark 1 coaching stock was a standardised generation of passenger railway carriages introduced in the 1950s that formed the backbone of British Rail’s post-war fleet.
  • B. British Rail Mark 3 coaching stock
    The British Rail Mark 3 coaching stock is a high-speed, air-conditioned passenger carriage design introduced in the 1970s that became a mainstay of intercity rail services in the UK.
  • C. Anglia Railways
    Anglia Railways was a former British train operating company that ran passenger rail services in East Anglia following the privatisation of UK railways.
  • D. British Rail Mark 2 sleeping coaches
    British Rail Mark 2 sleeping coaches were mid-20th-century British railway carriages designed to provide overnight sleeping accommodation on long-distance services across the UK rail network.
  • E. British Rail
    British Rail was the state-owned company that operated most of the railway services in Great Britain from the late 1940s until the privatization of the rail network in the 1990s.
  • 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_69ca834ca1c88190a11ffb0200342fac completed March 30, 2026, 2:06 p.m.
NER Named-entity recognition batch_69cc4763b6dc81908de979e6d8158bd9 completed March 31, 2026, 10:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69cebc2c2b84819087a9f23b47c607e8 completed April 2, 2026, 6:57 p.m.
NEDg Description generation batch_69cebd4633f08190971d5d67e5a7496a completed April 2, 2026, 7:02 p.m.
NED2 Entity disambiguation (via description) batch_69cebe12fa94819099e37ed9e5cd83b7 completed April 2, 2026, 7:05 p.m.
Created at: March 30, 2026, 6:28 p.m.