Triple

T2332679
Position Surface form Disambiguated ID Type / Status
Subject Silver Meteor E44236 entity
Predicate usesRollingStockType P1305 FINISHED
Object Viewliner II sleeping cars E39514 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 II sleeping cars | Statement: [Silver Meteor, usesRollingStockType, Viewliner II sleeping cars]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Viewliner II sleeping cars
Context triple: [Silver Meteor, usesRollingStockType, Viewliner II sleeping cars]
  • A. Viewliner sleeping cars chosen
    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.
  • B. 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.
  • C. Viewliner baggage-dormitory cars
    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.
  • D. Union Pacific sleeper cars
    Union Pacific sleeper cars are long-distance passenger railcars equipped with private sleeping accommodations that were used on Union Pacific Railroad’s premier intercity trains.
  • E. Superliner bi-level cars
    Superliner bi-level cars are double-decker passenger railcars used by Amtrak on long-distance routes, designed to provide increased capacity and enhanced comfort for overnight and scenic train 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_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_69aea8786d508190aac531a88fc5076f completed March 9, 2026, 11:01 a.m.
Created at: March 4, 2026, 7:51 p.m.