Triple

T17933931
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 159 E448402 entity
Predicate usedOn P2367 FINISHED
Object Salisbury–Exeter route NE NERFINISHED

How this triple was built (3 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: Salisbury–Exeter route | Statement: [British Rail Class 159, usedOn, Salisbury–Exeter route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Salisbury–Exeter route
Context triple: [British Rail Class 159, usedOn, Salisbury–Exeter route]
  • A. Exeter–Waterloo route
    The Exeter–Waterloo route is a mainline railway service in southern England linking Exeter with London Waterloo via towns in Devon, Somerset, Wiltshire, and Hampshire.
  • B. Cambridge–Brighton route
    The Cambridge–Brighton route is a cross-London commuter and regional rail service linking Cambridge in the north with Brighton on the south coast via central London.
  • C. Exeter–Paignton route
    The Exeter–Paignton route is a scenic railway line in Devon, England, running along the coast and serving as a key part of the region’s passenger rail network.
  • D. Wessex Route
    Wessex Route is a major rail operating area in southern England that manages and oversees key passenger and freight railway lines, including routes around Southampton and Portsmouth.
  • E. Bristol to Exeter Line
    The Bristol to Exeter Line is a major railway route in southwest England connecting the cities of Bristol and Exeter and serving as an important corridor for regional and long-distance passenger services.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Salisbury–Exeter route
Target entity description: The Salisbury–Exeter route is a key railway line in southwest England linking Salisbury in Wiltshire with Exeter in Devon, serving towns across the West Country.
  • A. Exeter–Waterloo route
    The Exeter–Waterloo route is a mainline railway service in southern England linking Exeter with London Waterloo via towns in Devon, Somerset, Wiltshire, and Hampshire.
  • B. Cambridge–Brighton route
    The Cambridge–Brighton route is a cross-London commuter and regional rail service linking Cambridge in the north with Brighton on the south coast via central London.
  • C. Exeter–Paignton route
    The Exeter–Paignton route is a scenic railway line in Devon, England, running along the coast and serving as a key part of the region’s passenger rail network.
  • D. Wessex Route
    Wessex Route is a major rail operating area in southern England that manages and oversees key passenger and freight railway lines, including routes around Southampton and Portsmouth.
  • E. Bristol to Exeter Line
    The Bristol to Exeter Line is a major railway route in southwest England connecting the cities of Bristol and Exeter and serving as an important corridor for regional and long-distance passenger services.
  • F. None of above. chosen

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_69d8b9f79d14819095540856928f0e25 completed April 10, 2026, 8:51 a.m.
NER Named-entity recognition batch_69e4a5547b7881909dc41bb7dd34194f completed April 19, 2026, 9:50 a.m.
Created at: April 10, 2026, 10:21 a.m.