Triple

T9370176
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Crescent E225508 entity
Predicate hasCarType P1776 FINISHED
Object Viewliner sleeping car 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 sleeping car | Statement: [Amtrak Crescent, hasCarType, Viewliner sleeping car]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Viewliner sleeping car
Context triple: [Amtrak Crescent, hasCarType, Viewliner sleeping car]
  • 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. 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.
  • C. Pullman sleeping car
    The Pullman sleeping car was a luxurious railroad passenger car introduced in the 19th century that provided comfortable overnight accommodations and helped transform long-distance train travel.
  • D. 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.
  • E. 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.
  • 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_69ca842cbddc819099d71ecec48cf9e5 completed March 30, 2026, 2:09 p.m.
NER Named-entity recognition batch_69cd508274d88190a64b79ab731ac6a1 completed April 1, 2026, 5:06 p.m.
NED1 Entity disambiguation (via context triple) batch_69d0f411bb2c819091b67c70956c546b completed April 4, 2026, 11:20 a.m.
Created at: March 30, 2026, 7:43 p.m.