Triple

T13515201
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Cardinal E322741 entity
Predicate usesRollingStockType P1305 FINISHED
Object Viewliner baggage-dorm cars E61255 NE FINISHED

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: Viewliner baggage-dorm cars | Statement: [Amtrak Cardinal, usesRollingStockType, Viewliner baggage-dorm cars]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Viewliner baggage-dorm cars
Context triple: [Amtrak Cardinal, usesRollingStockType, Viewliner baggage-dorm cars]
  • A. Viewliner baggage-dormitory cars chosen
    Viewliner baggage-dormitory cars are Amtrak single-level passenger railcars that combine checked-baggage space with crew sleeping and lounge accommodations, primarily for use on long-distance Eastern routes.
  • B. Viewliner sleeping cars
    Viewliner sleeping cars are Amtrak’s single-level long-distance sleeper railcars designed with individual roomettes and bedrooms for overnight passenger comfort on routes using standard-height equipment.
  • C. Viewliner dining cars
    Viewliner dining cars are single-level Amtrak dining cars designed primarily for overnight Eastern long-distance trains, featuring full-service meal preparation and modern passenger amenities.
  • D. Wagons-Lits restaurant cars
    Wagons-Lits restaurant cars were luxurious dining coaches operated by the Compagnie Internationale des Wagons-Lits, renowned for providing fine cuisine and elegant service on famous European express trains.
  • E. Surfliner cars
    Surfliner cars are bi-level passenger railcars used primarily on Amtrak’s Pacific Surfliner and related corridor services in California, designed for high-capacity, comfortable intercity travel.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d80766a21881909f21a1b7421d3b8a completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69dbafa0ed508190b2855171b1945e84 completed April 12, 2026, 2:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69f75494642881909f33962afe26f427 completed May 3, 2026, 1:58 p.m.
Created at: April 9, 2026, 9:44 p.m.