Triple

T646083
Position Surface form Disambiguated ID Type / Status
Subject Boston and Maine Railroad E11243 entity
Predicate passengerServiceTransferredTo P9014 FINISHED
Object Amtrak E1072 NE FINISHED

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 | Statement: [Boston and Maine Railroad, passengerServiceTransferredTo, Amtrak]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Amtrak
Context triple: [Boston and Maine Railroad, passengerServiceTransferredTo, Amtrak]
  • A. Amtrak chosen
    Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
  • B. Amtrak California
    Amtrak California is a state-supported intercity passenger rail program in California that oversees and brands several regional Amtrak routes, including the Capitol Corridor, San Joaquins, and Pacific Surfliner.
  • C. Amtrak Ethan Allen Express
    The Amtrak Ethan Allen Express is an intercity passenger train service that operates between New York City and Vermont, providing a key rail connection through the Hudson Valley and upstate New York.
  • D. Amtrak Northeast Regional
    Amtrak Northeast Regional is a passenger rail service that provides frequent intercity connections between major cities in the northeastern United States, including Boston, New York, Philadelphia, and Washington, D.C.
  • E. Amtrak Lake Shore Limited
    Amtrak Lake Shore Limited is a long-distance passenger train service that runs between Chicago and the Northeastern United States, primarily serving New York City and Boston.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: passengerServiceTransferredTo
Context triple: [Boston and Maine Railroad, passengerServiceTransferredTo, Amtrak]
  • A. formerPassengerService
    Indicates that an entity previously provided passenger transportation services but no longer does so.
  • B. hasPassengerTerminal
    Indicates that one entity possesses or is equipped with a passenger terminal used for boarding, alighting, or handling passengers.
  • C. transportedOver
    Indicates that something is moved or carried across or along a specified medium, route, or surface.
  • D. functionTransferredTo chosen
    Indicates that a specific function, role, or responsibility has been moved from one entity to another.
  • E. passengers
    Indicates that one entity is traveling in or being transported by another entity, typically as a non-operating occupant.
  • F. None of above.

Provenance (4 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_69a493266a2881909daf4c40f719dee8 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a49f1b24b08190897d8aedb877bd83 completed March 1, 2026, 8:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69a58a716de88190854e13fb5143b9b3 completed March 2, 2026, 1:02 p.m.
PD Predicate disambiguation batch_69a49d0c0dcc8190849211d45489a5a7 completed March 1, 2026, 8:09 p.m.
Created at: March 1, 2026, 7:36 p.m.