Triple

T12852276
Position Surface form Disambiguated ID Type / Status
Subject Harrow & Wealdstone railway station E307352 entity
Predicate laterCompany P6748 FINISHED
Object London Midland and Scottish Railway E15342 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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 Midland and Scottish Railway | Statement: [Harrow & Wealdstone railway station, laterCompany, London Midland and Scottish Railway]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: London Midland and Scottish Railway
Context triple: [Harrow & Wealdstone railway station, laterCompany, London Midland and Scottish Railway]
  • A. London, Midland and Scottish Railway chosen
    The London, Midland and Scottish Railway was a major British railway company formed in 1923 that operated an extensive network across England, Scotland, and Wales until nationalisation in 1948.
  • B. London and North Eastern Railway
    London and North Eastern Railway was a major British railway company formed in 1923, known for operating key routes in eastern and northeastern England and for famous express trains like the Flying Scotsman and Mallard.
  • C. London Midland
    London Midland was a former British train operating company that ran regional and intercity passenger services across the West Midlands and surrounding areas until its franchise ended in 2017.
  • D. Anglia Railways
    Anglia Railways was a former British train operating company that ran passenger rail services in East Anglia following the privatisation of UK railways.
  • E. Eastern and Midlands Railway
    Eastern and Midlands Railway was a 19th-century British railway company that developed and operated lines in eastern England before being absorbed into larger railway systems.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d7bdf5e7cc8190be357278bc5ba3bb elicitation completed
NER batch_69d97020eacc81909357b3398d17dc49 ner completed
NED1 batch_69f69ba79918819093e047ce22191923 ned_source_triple completed
Created at: April 9, 2026, 5:36 p.m.