Triple

T21670204
Position Surface form Disambiguated ID Type / Status
Subject MARC fare system E534823 entity
Predicate relatedTo P37 FINISHED
Object Amtrak Northeast Corridor fare system 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 Northeast Corridor fare system | Statement: [MARC fare system, relatedTo, Amtrak Northeast Corridor fare system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak Northeast Corridor fare system
Context triple: [MARC fare system, relatedTo, Amtrak Northeast Corridor fare system]
  • A. Amtrak Empire Corridor
    The Amtrak Empire Corridor is a major passenger rail route in New York State that connects New York City with Albany and other upstate cities along the Hudson River and beyond.
  • B. Amtrak Northeast Corridor routes
    Amtrak Northeast Corridor routes are the heavily traveled passenger rail lines connecting major cities from Boston through New York and Philadelphia to Washington, D.C., forming the busiest and most important rail corridor in the United States.
  • C. Northeast Corridor electrified services
    Northeast Corridor electrified services are high-speed, overhead-wire-powered passenger rail operations along the busy Boston–Washington, D.C. corridor, primarily using electric locomotives and electric multiple units rather than bi-level Superliner cars.
  • D. MBTA Commuter Rail fare system
    The MBTA Commuter Rail fare system is the structured zone-based pricing and ticketing framework used to determine and collect passenger fares across Massachusetts Bay Transportation Authority commuter rail lines.
  • E. Amtrak reservation system
    The Amtrak reservation system is the centralized platform used to search, book, and manage tickets and seat reservations for Amtrak’s passenger rail services across the United States.
  • 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 Northeast Corridor fare system
Target entity description: The Amtrak Northeast Corridor fare system is the pricing and ticketing structure used for passenger rail services along Amtrak’s busy Northeast Corridor, coordinating fares across various train types and, in some areas, with regional commuter rail operators.
  • A. Amtrak Empire Corridor
    The Amtrak Empire Corridor is a major passenger rail route in New York State that connects New York City with Albany and other upstate cities along the Hudson River and beyond.
  • B. Amtrak Northeast Corridor routes
    Amtrak Northeast Corridor routes are the heavily traveled passenger rail lines connecting major cities from Boston through New York and Philadelphia to Washington, D.C., forming the busiest and most important rail corridor in the United States.
  • C. Northeast Corridor electrified services
    Northeast Corridor electrified services are high-speed, overhead-wire-powered passenger rail operations along the busy Boston–Washington, D.C. corridor, primarily using electric locomotives and electric multiple units rather than bi-level Superliner cars.
  • D. MBTA Commuter Rail fare system
    The MBTA Commuter Rail fare system is the structured zone-based pricing and ticketing framework used to determine and collect passenger fares across Massachusetts Bay Transportation Authority commuter rail lines.
  • E. Amtrak reservation system
    The Amtrak reservation system is the centralized platform used to search, book, and manage tickets and seat reservations for Amtrak’s passenger rail services across the United States.
  • 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_69e0c46898008190aa618a4af55bd1ee completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69ef8a0a9b4481909477245d53f99cb0 completed April 27, 2026, 4:08 p.m.
Created at: April 16, 2026, 6:37 p.m.