Triple

T3581587
Position Surface form Disambiguated ID Type / Status
Subject Great Western Main Line E75810 entity
Predicate electrifiedSection P14045 FINISHED
Object London Paddington–Didcot Parkway
London Paddington–Didcot Parkway is a key electrified stretch of railway in southern England that carries intensive intercity, regional, and commuter services between central London and Oxfordshire.
E370452 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–Didcot Parkway | Statement: [Great Western Main Line, electrifiedSection, London Paddington–Didcot Parkway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London Paddington–Didcot Parkway
Context triple: [Great Western Main Line, electrifiedSection, London Paddington–Didcot Parkway]
  • A. London Waterloo–Basingstoke
    London Waterloo–Basingstoke is a key commuter and intercity rail route in southern England linking central London with the town of Basingstoke via major intermediate stations such as Woking.
  • B. Chiltern Main Line
    The Chiltern Main Line is a major railway route in England connecting London Marylebone with the West Midlands via key towns such as High Wycombe, Banbury, and Leamington Spa.
  • C. Oxford–Bicester line
    The Oxford–Bicester line is a railway route in Oxfordshire, England, connecting Oxford with the town of Bicester as part of the regional and commuter rail network.
  • D. Didcot Parkway railway station
    Didcot Parkway railway station is a major railway hub in Oxfordshire, England, providing regional and long-distance services on the Great Western Main Line.
  • E. North Downs Line
    The North Downs Line is a railway route in South East England that runs across the North Downs, linking Reading with Redhill and Gatwick Airport via towns such as Guildford.
  • 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–Didcot Parkway
Triple: [Great Western Main Line, electrifiedSection, London Paddington–Didcot Parkway]
Generated description
London Paddington–Didcot Parkway is a key electrified stretch of railway in southern England that carries intensive intercity, regional, and commuter services between central London and Oxfordshire.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: London Paddington–Didcot Parkway
Target entity description: London Paddington–Didcot Parkway is a key electrified stretch of railway in southern England that carries intensive intercity, regional, and commuter services between central London and Oxfordshire.
  • A. London Waterloo–Basingstoke
    London Waterloo–Basingstoke is a key commuter and intercity rail route in southern England linking central London with the town of Basingstoke via major intermediate stations such as Woking.
  • B. Chiltern Main Line
    The Chiltern Main Line is a major railway route in England connecting London Marylebone with the West Midlands via key towns such as High Wycombe, Banbury, and Leamington Spa.
  • C. Oxford–Bicester line
    The Oxford–Bicester line is a railway route in Oxfordshire, England, connecting Oxford with the town of Bicester as part of the regional and commuter rail network.
  • D. Didcot Parkway railway station
    Didcot Parkway railway station is a major railway hub in Oxfordshire, England, providing regional and long-distance services on the Great Western Main Line.
  • E. North Downs Line
    The North Downs Line is a railway route in South East England that runs across the North Downs, linking Reading with Redhill and Gatwick Airport via towns such as Guildford.
  • 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_69ad85d6dc3c8190b491b79b83e25461 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc102cb2881908fa4dc1bf6fa5961 completed March 8, 2026, 6:33 p.m.
NED1 Entity disambiguation (via context triple) batch_69b3bbc95fa881909846a6d53ba6a24e completed March 13, 2026, 7:24 a.m.
NEDg Description generation batch_69b3bcae84a48190b085f253773cd14f completed March 13, 2026, 7:28 a.m.
NED2 Entity disambiguation (via description) batch_69b3f90df47c81908855021f68ca7ec8 completed March 13, 2026, 11:46 a.m.
Created at: March 8, 2026, 3:21 p.m.