Triple

T18520906
Position Surface form Disambiguated ID Type / Status
Subject USRA caboose design E452579 entity
Predicate partOf P40 FINISHED
Object USRA standard freight car 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 freight car program | Statement: [USRA caboose design, partOf, USRA standard freight car program]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: USRA standard freight car program
Context triple: [USRA caboose design, partOf, USRA standard freight car program]
  • A. USRA standard freight car designs chosen
    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.
  • B. USRA standard steam locomotive designs
    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.
  • C. USRA caboose design
    The USRA caboose design was a standardized railroad caboose model developed under the United States Railroad Administration during World War I to unify and streamline freight train operations across multiple American railroads.
  • D. PA-1 railcars
    The PA-1 railcars are an early generation of electric multiple-unit subway cars built for and operated on the PATCO Speedline rapid transit system serving the Philadelphia–South Jersey region.
  • E. USRA standard gondola car design
    The USRA standard gondola car design was a widely adopted, government-developed freight car blueprint from World War I that standardized open-top railcars for hauling bulk commodities across multiple American railroads.
  • 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_69d8d386df84819092355ebb260d848e completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e5338db5e4819086503a2176dfe499 completed April 19, 2026, 7:57 p.m.
Created at: April 10, 2026, 11:37 a.m.