Triple

T17465301
Position Surface form Disambiguated ID Type / Status
Subject Blue Water E425260 entity
Predicate usesRollingStock P5426 FINISHED
Object Amtrak Horizon coaches 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: Amtrak Horizon coaches | Statement: [Blue Water, usesRollingStock, Amtrak Horizon coaches]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak Horizon coaches
Context triple: [Blue Water, usesRollingStock, Amtrak Horizon coaches]
  • A. Amtrak Superliner
    The Amtrak Superliner is a bi-level long-distance passenger railcar fleet used across many of Amtrak’s premier intercity routes in the United States.
  • B. Amtrak Genesis
    Amtrak Genesis is a series of streamlined diesel-electric locomotives built by GE for Amtrak’s long-distance and intercity passenger trains across the United States.
  • C. Amtrak California bi-level coaches
    Amtrak California bi-level coaches are double-decker passenger railcars used on California’s state-supported Amtrak routes, designed to provide high-capacity, comfortable intercity service with features tailored to regional corridor operations.
  • D. Amtrak Acela
    Amtrak Acela is Amtrak’s high-speed train service in the Northeast Corridor, offering its fastest and most premium intercity rail travel between major cities like Boston, New York, and Washington, D.C.
  • E. Amtrak Capitol Limited
    Amtrak Capitol Limited is a long-distance passenger train operated by Amtrak that runs overnight between Washington, D.C., and Chicago, serving major cities and scenic routes along the former Baltimore & Ohio Railroad.
  • 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: Amtrak Horizon coaches
Target entity description: Amtrak Horizon coaches are single-level intercity passenger railcars used by Amtrak primarily on shorter-distance corridor services in the United States.
  • A. Amtrak Superliner
    The Amtrak Superliner is a bi-level long-distance passenger railcar fleet used across many of Amtrak’s premier intercity routes in the United States.
  • B. Amtrak Genesis
    Amtrak Genesis is a series of streamlined diesel-electric locomotives built by GE for Amtrak’s long-distance and intercity passenger trains across the United States.
  • C. Amtrak California bi-level coaches
    Amtrak California bi-level coaches are double-decker passenger railcars used on California’s state-supported Amtrak routes, designed to provide high-capacity, comfortable intercity service with features tailored to regional corridor operations.
  • D. Amtrak Acela
    Amtrak Acela is Amtrak’s high-speed train service in the Northeast Corridor, offering its fastest and most premium intercity rail travel between major cities like Boston, New York, and Washington, D.C.
  • E. Amtrak Capitol Limited
    Amtrak Capitol Limited is a long-distance passenger train operated by Amtrak that runs overnight between Washington, D.C., and Chicago, serving major cities and scenic routes along the former Baltimore & Ohio Railroad.
  • 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_69d889dbc2e88190b18ea6115e819258 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e451a6c2e08190bca9de56ee2f5136 completed April 19, 2026, 3:53 a.m.
Created at: April 10, 2026, 5:47 a.m.