Triple

T20894187
Position Surface form Disambiguated ID Type / Status
Subject London Paddington to Birmingham via Oxford E514487 entity
Predicate usesLine P1293 FINISHED
Object Great Western Main Line (London Paddington–Didcot section)
The Great Western Main Line (London Paddington–Didcot section) is a key electrified railway corridor in southern England linking central London with the Thames Valley and forming part of major intercity and regional routes toward the Midlands and the West.
E1456312 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 Main Line (London Paddington–Didcot section) | Statement: [London Paddington to Birmingham via Oxford, usesLine, Great Western Main Line (London Paddington–Didcot section)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Great Western Main Line (London Paddington–Didcot section)
Context triple: [London Paddington to Birmingham via Oxford, usesLine, Great Western Main Line (London Paddington–Didcot section)]
  • A. Wessex Main Line
    The Wessex Main Line is a key railway route in southern England linking Bristol and Bath with Salisbury and Southampton, serving as an important regional passenger corridor.
  • B. Didcot–Oxford line
    The Didcot–Oxford line is a key railway route in Oxfordshire, England, linking the town of Didcot with the city of Oxford and forming part of the Great Western Main Line network.
  • C. 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.
  • D. West of England Main Line
    The West of England Main Line is a major railway route in southwest England that connects London with Exeter and passes through several counties including Somerset.
  • E. 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.
  • 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 Main Line (London Paddington–Didcot section)
Triple: [London Paddington to Birmingham via Oxford, usesLine, Great Western Main Line (London Paddington–Didcot section)]
Generated description
The Great Western Main Line (London Paddington–Didcot section) is a key electrified railway corridor in southern England linking central London with the Thames Valley and forming part of major intercity and regional routes toward the Midlands and the West.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Great Western Main Line (London Paddington–Didcot section)
Target entity description: The Great Western Main Line (London Paddington–Didcot section) is a key electrified railway corridor in southern England linking central London with the Thames Valley and forming part of major intercity and regional routes toward the Midlands and the West.
  • A. Wessex Main Line
    The Wessex Main Line is a key railway route in southern England linking Bristol and Bath with Salisbury and Southampton, serving as an important regional passenger corridor.
  • B. Didcot–Oxford line
    The Didcot–Oxford line is a key railway route in Oxfordshire, England, linking the town of Didcot with the city of Oxford and forming part of the Great Western Main Line network.
  • C. 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.
  • D. West of England Main Line
    The West of England Main Line is a major railway route in southwest England that connects London with Exeter and passes through several counties including Somerset.
  • E. 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.
  • 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_69e0b4f7ebe48190952a85547a0f31a1 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6d06129788190b88ab807af4641c1 completed April 21, 2026, 1:18 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0918cb2a54819090ba3768c51b3e54 completed May 17, 2026, 1:24 a.m.
NEDg Description generation batch_6a091971e5308190acdf4a65b1e67118 completed May 17, 2026, 1:27 a.m.
NED2 Entity disambiguation (via description) batch_6a0919f58008819097e05a187ed4b3de completed May 17, 2026, 1:29 a.m.
Created at: April 16, 2026, 12:46 p.m.