Triple

T2332680
Position Surface form Disambiguated ID Type / Status
Subject Silver Meteor E44236 entity
Predicate usesRollingStockType P1305 FINISHED
Object Viewliner baggage-dormitory 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-dormitory cars | Statement: [Silver Meteor, usesRollingStockType, Viewliner baggage-dormitory cars]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Viewliner baggage-dormitory cars
Context triple: [Silver Meteor, usesRollingStockType, Viewliner baggage-dormitory 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. CAF Mark 5 sleeping coaches
    CAF Mark 5 sleeping coaches are modern, purpose-built overnight train carriages designed by Construcciones y Auxiliar de Ferrocarriles (CAF) to provide upgraded sleeper accommodation and amenities on long-distance services in the UK.
  • D. PA-2 railcars
    The PA-2 railcars are a 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. PA-3 railcars
    The PA-3 railcars are a series of electric multiple-unit subway cars used on the PATCO Speedline rapid transit system serving the Philadelphia–Camden region.
  • 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_69a889132b488190bbb43ad4780ddd92 completed March 4, 2026, 7:33 p.m.
NER Named-entity recognition batch_69abc66bd0f08190aad5f640cfa1c372 completed March 7, 2026, 6:32 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae89773c88819087a294d7c0f90f73 completed March 9, 2026, 8:48 a.m.
Created at: March 4, 2026, 7:51 p.m.