Triple

T16470815
Position Surface form Disambiguated ID Type / Status
Subject British Railways London Midland Region E400053 entity
Predicate operatedLocomotiveClass P67417 FINISHED
Object LMS Princess Royal Class E88865 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: LMS Princess Royal Class | Statement: [British Railways London Midland Region, operatedLocomotiveClass, LMS Princess Royal Class]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: LMS Princess Royal Class
Context triple: [British Railways London Midland Region, operatedLocomotiveClass, 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)

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_69d87f2dac988190b74d6e185fa88ba4 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e32dd0d2fc81909b68b5afb00f192f completed April 18, 2026, 7:08 a.m.
NED1 Entity disambiguation (via context triple) batch_6a007d9e91f48190b83cefdd2b518082 completed May 10, 2026, 12:44 p.m.
Created at: April 10, 2026, 5:11 a.m.