Triple

T18520897
Position Surface form Disambiguated ID Type / Status
Subject USRA stock car E452578 entity
Predicate relatedTo P37 FINISHED
Object USRA hopper car — 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 hopper car | Statement: [USRA stock car, relatedTo, USRA hopper car]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: USRA hopper car
Context triple: [USRA stock car, relatedTo, USRA hopper car]
  • 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 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.
  • C. Union Pacific inspection cars
    Union Pacific inspection cars are specially outfitted railroad cars used by the Union Pacific Railroad to carry officials and inspectors for track, infrastructure, and operational evaluations along the rail network.
  • D. USRA 4-6-0 Ten‑Wheeler
    The USRA 4-6-0 Ten‑Wheeler is a standardized World War I–era American steam locomotive type with a 4-6-0 wheel arrangement, designed for versatile mixed-traffic service under the United States Railroad Administration.
  • E. PA5 railcar
    The PA5 railcar is a modern electric multiple unit train used on the PATH rapid transit system serving New York and New Jersey.
  • 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.