Triple

T16470641
Position Surface form Disambiguated ID Type / Status
Subject 6201 Princess Elizabeth E400049 entity
Predicate class P87 FINISHED
Object LMS Princess Royal Class E88865 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: LMS Princess Royal Class | Statement: [6201 Princess Elizabeth, class, LMS Princess Royal Class]

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: LMS Princess Royal Class
Context triple: [6201 Princess Elizabeth, class, LMS Princess Royal Class]
  • A. LMS Princess Royal Class chosen
    The LMS Princess Royal Class was a series of powerful British express passenger steam locomotives built in the 1930s for high-speed mainline services on the London, Midland and Scottish Railway.
  • B. LMS Coronation Class
    The LMS Coronation Class was a fleet of powerful British express passenger steam locomotives built for the London, Midland and Scottish Railway in the 1930s, renowned for their streamlined design and high-speed performance.
  • C. LMS Royal Scot Class
    The LMS Royal Scot Class was a class of British 4-6-0 steam locomotives built for the London, Midland and Scottish Railway, renowned for hauling express passenger services on the West Coast Main Line.
  • D. LMS Jubilee Class
    The LMS Jubilee Class was a class of British steam locomotives built in the 1930s for express passenger services on the London, Midland and Scottish Railway.
  • E. BR Standard Class 7 Britannia
    The BR Standard Class 7 Britannia was a class of British Railways 4-6-2 express passenger steam locomotives introduced in the early 1950s as part of the standardization program near the end of the steam era.
  • 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_69d87f2dac988190b74d6e185fa88ba4 elicitation completed
NER batch_69e32dd0d2fc81909b68b5afb00f192f ner completed
NED1 batch_6a006078da4c8190ba510d92b503e993 ned_source_triple completed
Created at: April 10, 2026, 5:11 a.m.