Triple

T12852275
Position Surface form Disambiguated ID Type / Status
Subject Harrow & Wealdstone railway station E307352 entity
Predicate laterCompany P6748 FINISHED
Object London and North Western Railway E10459 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 and North Western Railway | Statement: [Harrow & Wealdstone railway station, laterCompany, London and North Western 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 and North Western Railway
Context triple: [Harrow & Wealdstone railway station, laterCompany, London and North Western Railway]
  • A. London and North Western Railway chosen
    London and North Western Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across England and Wales before becoming part of the London, Midland and Scottish Railway in 1923.
  • 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 and South Western Railway
    The London and South Western Railway was a major 19th- and early 20th-century British railway company that operated an extensive network in southwest London, Surrey, Hampshire, and the West Country, including key routes to the south coast and the port of Southampton.
  • D. North Western Railway
    North Western Railway is a fictional railway company featured in The Railway Series books by Rev. W. Awdry, set on the Island of Sodor and known for its anthropomorphic locomotives.
  • E. North Western Railway
    North Western Railway is one of the zones of Indian Railways, overseeing rail operations across parts of Rajasthan and neighboring regions in northwestern India.
  • 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.