Triple

T22386261
Position Surface form Disambiguated ID Type / Status
Subject London Euston – Tring – Milton Keynes Central E553402 entity
Predicate locatedIn P40 FINISHED
Object West Coast Main Line southern section — NE NERFINISHED

How this triple was built (2 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 Coast Main Line southern section | Statement: [London Euston – Tring – Milton Keynes Central, locatedIn, West Coast Main Line southern section]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: West Coast Main Line southern section
Context triple: [London Euston – Tring – Milton Keynes Central, locatedIn, West Coast Main Line southern section]
  • A. West Coast Main Line chosen
    The West Coast Main Line is one of the United Kingdom’s primary intercity railway routes, linking London with major cities such as Birmingham, Manchester, Liverpool, and Glasgow.
  • B. South Eastern Main Line
    The South Eastern Main Line is a major railway route in southeast England connecting London with key towns in Kent and the surrounding region.
  • C. West Coastway Line
    The West Coastway Line is a major railway route in southern England that runs along the south coast, linking cities such as Brighton, Worthing, Chichester, and Portsmouth.
  • D. 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.
  • E. South West Main Line
    The South West Main Line is a major railway route in southern England that connects London Waterloo with key towns and cities in Surrey, Hampshire, and Dorset.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e11e4cf87c8190a1ff474daec326b7 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f158304bcc81908c4c5db09a246bcc completed April 29, 2026, 1 a.m.
Created at: April 16, 2026, 8:45 p.m.