Triple

T16470918
Position Surface form Disambiguated ID Type / Status
Subject British Rail steam locomotives E400055 entity
Predicate designPolicy P532 FINISHED
Object BR Standard steam locomotive programme E1215498 NE FINISHED

How this triple was built (3 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: BR Standard steam locomotive programme | Statement: [British Rail steam locomotives, designPolicy, BR Standard steam locomotive programme]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: BR Standard steam locomotive programme
Context triple: [British Rail steam locomotives, designPolicy, BR Standard steam locomotive programme]
  • A. BR Standard Class steam locomotives chosen
    BR Standard Class steam locomotives were a series of steam engines designed and built in the 1950s for British Railways to standardize and modernize its steam fleet in the final years before diesel and electric traction took over.
  • B. British Rail steam locomotives
    British Rail steam locomotives were the steam-powered engines operated on Britain’s nationalized railway system in the mid-20th century, spanning a wide range of classes used for passenger and freight services before diesel and electric traction took over.
  • C. BR Standard Class 4 steam locomotives
    BR Standard Class 4 steam locomotives are mid-20th-century British Railways mixed-traffic steam engines designed for versatility and efficiency on both passenger and freight services.
  • D. LMS Stanier Class 5 4-6-0 "Black Five" locomotives
    The LMS Stanier Class 5 4-6-0 "Black Five" locomotives are a highly successful and versatile class of British mixed-traffic steam engines designed by William Stanier for the London, Midland and Scottish Railway in the 1930s.
  • E. Lion steam locomotive
    The Lion steam locomotive is a preserved early 19th-century British steam engine famed for its role in the Liverpool and Manchester Railway and as one of the oldest surviving working locomotives.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: designPolicy
Context triple: [British Rail steam locomotives, designPolicy, BR Standard steam locomotive programme]
  • A. policyDesignation
    Indicates that an entity is assigned or labeled with a specific policy or policy classification.
  • B. designPhilosophy chosen
    Indicates the guiding principles, values, or conceptual approach that shape how something is designed or created.
  • C. designUse
    Indicates that one entity is used as a design basis, purpose, or intended functional use for another entity.
  • D. designStandardizedIn
    Indicates that something is designed according to the rules, formats, or specifications defined within a particular standard or standardization framework.
  • E. designByLaw
    Indicates that something is created, structured, or determined according to legal rules, requirements, or authority.
  • F. None of above.

Provenance (4 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_6a00581c24508190b4888357828fed80 completed May 10, 2026, 10:04 a.m.
PD Predicate disambiguation batch_69e22706b0588190a48a951c5211a617 completed April 17, 2026, 12:26 p.m.
Created at: April 10, 2026, 5:11 a.m.