Triple

T23051432
Position Surface form Disambiguated ID Type / Status
Subject Amtrak at South Station E574023 entity
Predicate fareSystem P395 FINISHED
Object Amtrak national reservation system NE NERFINISHED

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: Amtrak national reservation system | Statement: [Amtrak at South Station, fareSystem, Amtrak national reservation system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak national reservation system
Context triple: [Amtrak at South Station, fareSystem, Amtrak national reservation system]
  • A. Amtrak reservation system chosen
    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.
  • B. Amtrak Northeast Corridor fare system
    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.
  • C. Amtrak mobile app
    The Amtrak mobile app is a smartphone application that lets passengers search schedules, book and manage train reservations, access e-tickets, and receive real-time travel updates for Amtrak services.
  • D. Amtrak Genesis
    Amtrak Genesis is a series of streamlined diesel-electric locomotives built by GE for Amtrak’s long-distance and intercity passenger trains across the United States.
  • E. Amtrak state-supported routes program
    The Amtrak state-supported routes program is a funding and operational framework in which U.S. states partner with Amtrak to subsidize and manage shorter-distance intercity passenger rail services beyond the federally supported long-distance network.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69e245ba7ae48190be606dbc54120e39 completed April 17, 2026, 2:37 p.m.
NER Named-entity recognition batch_69f1867d010c8190bc5dba6758d0b797 completed April 29, 2026, 4:18 a.m.
Created at: April 17, 2026, 3:54 p.m.