Triple

T18551129
Position Surface form Disambiguated ID Type / Status
Subject USRA 0-8-0 switcher E453380 entity
Predicate partOf P40 FINISHED
Object USRA standard locomotive program NE NERFINISHED

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: USRA standard locomotive program | Statement: [USRA 0-8-0 switcher, partOf, USRA standard locomotive program]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: USRA standard locomotive program
Context triple: [USRA 0-8-0 switcher, partOf, USRA standard locomotive program]
  • A. USRA standard steam locomotive designs chosen
    USRA standard steam locomotive designs were a series of standardized steam locomotive types created during World War I to simplify and unify locomotive production and maintenance across U.S. railroads.
  • B. USRA standard freight car designs
    USRA standard freight car designs were a series of standardized freight car types created during World War I to simplify and unify railroad equipment across U.S. railroads.
  • C. USRA 0-8-0 switcher
    The USRA 0-8-0 switcher was a standardized heavy steam switching locomotive widely used in North American rail yards during the early 20th century.
  • D. USRA Light Mikado 2-8-2 locomotive design
    The USRA Light Mikado 2-8-2 locomotive design was a widely adopted standard World War I–era American steam freight locomotive, known for its balanced power, efficiency, and influence on subsequent 2-8-2 designs.
  • E. MPXpress locomotive family
    The MPXpress locomotive family is a series of modern, diesel-electric passenger locomotives widely used by North American commuter rail agencies for their reliability, power, and compliance with contemporary emissions and safety standards.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69d8d388b0c881908e610a1c45b52640 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e53800c0fc819097782f1e81574598 completed April 19, 2026, 8:16 p.m.
Created at: April 10, 2026, 11:38 a.m.