Triple

T15580176
Position Surface form Disambiguated ID Type / Status
Subject Great Western Main Line suburban section between Bristol and Bath E374471 entity
Predicate isSegmentOf P35 FINISHED
Object London–Bristol railway corridor E374469 NE FINISHED

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: London–Bristol railway corridor | Statement: [Great Western Main Line suburban section between Bristol and Bath, isSegmentOf, London–Bristol railway corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: London–Bristol railway corridor
Context triple: [Great Western Main Line suburban section between Bristol and Bath, isSegmentOf, London–Bristol railway corridor]
  • A. London–Bristol rail corridor chosen
    The London–Bristol rail corridor is a major intercity railway route in England linking the capital with the city of Bristol via key intermediate towns and lines.
  • B. 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.
  • C. 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.
  • D. Manchester–London main line
    The Manchester–London main line is a major intercity railway corridor in England connecting Manchester with London and forming part of the core north–south rail network.
  • E. Birmingham–London Marylebone line
    The Birmingham–London Marylebone line is a major intercity and commuter railway route in England linking Birmingham with London Marylebone via towns in the Chilterns and the West Midlands.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d85ccd575081908909b71a3f3e3a61 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69e04e24064c8190b132c3092877fbfa completed April 16, 2026, 2:49 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff4c4da9e48190a73492ef725380da completed May 9, 2026, 3:01 p.m.
Created at: April 10, 2026, 4:11 a.m.