Triple

T22672766
Position Surface form Disambiguated ID Type / Status
Subject Texas Chief E560260 entity
Predicate branding P1500 FINISHED
Object Santa Fe streamliner — NE NERFINISHED

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: Santa Fe streamliner | Statement: [Texas Chief, branding, Santa Fe streamliner]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Santa Fe streamliner
Context triple: [Texas Chief, branding, Santa Fe streamliner]
  • A. Royal Blue passenger train
    The Royal Blue passenger train was a famed luxury streamliner that provided premier passenger service between New York City and Washington, D.C. for the Baltimore and Ohio Railroad.
  • B. Amtrak Empire Builder
    The Amtrak Empire Builder is a long-distance passenger train route that runs between Chicago and the Pacific Northwest, offering scenic views of the northern United States.
  • C. Rio Grande Zephyr passenger train
    The Rio Grande Zephyr passenger train was a famed Denver & Rio Grande Western streamliner that operated between Denver and Salt Lake City, renowned for its scenic Rocky Mountain route and high-quality service.
  • D. Union Pacific Challenger
    The Union Pacific Challenger was a named passenger train operated by the Union Pacific Railroad, known for providing comfortable, mid-priced long-distance service across the western United States.
  • E. Saluki (Amtrak)
    Saluki (Amtrak) is a passenger train service operated by Amtrak that runs between Chicago and Carbondale in Illinois.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Santa Fe streamliner
Target entity description: The Santa Fe streamliner was a fleet of sleek, high-speed passenger trains operated by the Atchison, Topeka and Santa Fe Railway, known for their distinctive stainless-steel cars and luxurious long-distance service in the mid-20th century United States.
  • A. Royal Blue passenger train
    The Royal Blue passenger train was a famed luxury streamliner that provided premier passenger service between New York City and Washington, D.C. for the Baltimore and Ohio Railroad.
  • B. Amtrak Empire Builder
    The Amtrak Empire Builder is a long-distance passenger train route that runs between Chicago and the Pacific Northwest, offering scenic views of the northern United States.
  • C. Rio Grande Zephyr passenger train
    The Rio Grande Zephyr passenger train was a famed Denver & Rio Grande Western streamliner that operated between Denver and Salt Lake City, renowned for its scenic Rocky Mountain route and high-quality service.
  • D. Union Pacific Challenger
    The Union Pacific Challenger was a named passenger train operated by the Union Pacific Railroad, known for providing comfortable, mid-priced long-distance service across the western United States.
  • E. Saluki (Amtrak)
    Saluki (Amtrak) is a passenger train service operated by Amtrak that runs between Chicago and Carbondale in Illinois.
  • F. None of above. chosen

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_69e2454bfd00819099115715a22cb057 completed April 17, 2026, 2:35 p.m.
NER Named-entity recognition batch_69f17821daf88190b18a73a222fc22fb completed April 29, 2026, 3:16 a.m.
Created at: April 17, 2026, 3:10 p.m.