Triple

T17607569
Position Surface form Disambiguated ID Type / Status
Subject London Paddington–Swansea route E428873 entity
Predicate electrifiedSection P14045 FINISHED
Object London Paddington–Cardiff Central
London Paddington–Cardiff Central is a major intercity rail corridor in Great Britain linking London with the Welsh capital as part of the Great Western Main Line.
E1277502 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: London Paddington–Cardiff Central | Statement: [London Paddington–Swansea route, electrifiedSection, London Paddington–Cardiff Central]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London Paddington–Cardiff Central
Context triple: [London Paddington–Swansea route, electrifiedSection, London Paddington–Cardiff Central]
  • A. London Paddington–Bristol Temple Meads
    London Paddington–Bristol Temple Meads is a major intercity rail corridor in England linking central London with the city of Bristol via key intermediate stations.
  • B. Birmingham New Street – Cardiff Central
    Birmingham New Street – Cardiff Central is a key inter-city rail route in the United Kingdom linking Birmingham in the West Midlands with Cardiff, the capital of Wales.
  • C. London Paddington – Cheltenham Spa
    London Paddington – Cheltenham Spa is a UK intercity rail route linking London Paddington station with Cheltenham Spa via intermediate stops in Gloucestershire and surrounding counties.
  • D. London Paddington–Swansea route
    The London Paddington–Swansea route is a major intercity railway line in Great Britain linking London with South Wales, serving key cities such as Reading, Bristol (via connecting routes), Cardiff, and Swansea.
  • E. Birmingham New Street – London Euston
    Birmingham New Street – London Euston is a major intercity rail route in the United Kingdom linking Birmingham’s principal station with one of London’s main termini on the West Coast Main Line.
  • 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: London Paddington–Cardiff Central
Triple: [London Paddington–Swansea route, electrifiedSection, London Paddington–Cardiff Central]
Generated description
London Paddington–Cardiff Central is a major intercity rail corridor in Great Britain linking London with the Welsh capital as part of the Great Western Main Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: London Paddington–Cardiff Central
Target entity description: London Paddington–Cardiff Central is a major intercity rail corridor in Great Britain linking London with the Welsh capital as part of the Great Western Main Line.
  • A. London Paddington–Bristol Temple Meads
    London Paddington–Bristol Temple Meads is a major intercity rail corridor in England linking central London with the city of Bristol via key intermediate stations.
  • B. Birmingham New Street – Cardiff Central
    Birmingham New Street – Cardiff Central is a key inter-city rail route in the United Kingdom linking Birmingham in the West Midlands with Cardiff, the capital of Wales.
  • C. London Paddington – Cheltenham Spa
    London Paddington – Cheltenham Spa is a UK intercity rail route linking London Paddington station with Cheltenham Spa via intermediate stops in Gloucestershire and surrounding counties.
  • D. London Paddington–Swansea route
    The London Paddington–Swansea route is a major intercity railway line in Great Britain linking London with South Wales, serving key cities such as Reading, Bristol (via connecting routes), Cardiff, and Swansea.
  • E. Birmingham New Street – London Euston
    Birmingham New Street – London Euston is a major intercity rail route in the United Kingdom linking Birmingham’s principal station with one of London’s main termini on the West Coast Main Line.
  • 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_69d889e1c6148190ba76241e74688f8b completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e46c4ccef08190aeaa88670364bd74 completed April 19, 2026, 5:46 a.m.
NED1 Entity disambiguation (via context triple) batch_6a01e821dcd8819081ded43278f37fb2 completed May 11, 2026, 2:30 p.m.
NEDg Description generation batch_6a01ee1a291c81909fa432ccc787028f completed May 11, 2026, 2:56 p.m.
NED2 Entity disambiguation (via description) batch_6a01eec7e00c81908d88be9f88e924c8 completed May 11, 2026, 2:59 p.m.
Created at: April 10, 2026, 5:51 a.m.