Triple

T22712668
Position Surface form Disambiguated ID Type / Status
Subject West Midlands Trains rolling stock E561641 entity
Predicate serviceArea P82 FINISHED
Object Birmingham–London Euston route E549601 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: Birmingham–London Euston route | Statement: [West Midlands Trains rolling stock, serviceArea, Birmingham–London Euston route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Birmingham–London Euston route
Context triple: [West Midlands Trains rolling stock, serviceArea, Birmingham–London Euston route]
  • A. Birmingham New Street – London Euston chosen
    Birmingham New Street – London Euston is a major intercity rail route in the United Kingdom linking Birmingham’s principal station with one of London’s main termini on the West Coast Main Line.
  • B. London Euston – Birmingham
    London Euston – Birmingham is a major intercity rail corridor in England linking the capital with the West Midlands.
  • C. 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.
  • D. Birmingham–Wolverhampton line
    The Birmingham–Wolverhampton line is a key railway route in England’s West Midlands, linking the major cities of Birmingham and Wolverhampton and forming part of the region’s core commuter and intercity rail network.
  • E. Birmingham–Stratford-upon-Avon line
    The Birmingham–Stratford-upon-Avon line is a regional railway route in England linking Birmingham with the historic town of Stratford-upon-Avon, primarily serving commuter and tourist traffic.
  • 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_69e2454f1348819088d83f420925a5c1 completed April 17, 2026, 2:35 p.m.
NER Named-entity recognition batch_69f1790ab6208190a342f076002324ab completed April 29, 2026, 3:20 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0b8fbe82fc8190a783458a6aba1f6b completed May 18, 2026, 10:16 p.m.
Created at: April 17, 2026, 3:18 p.m.