Triple

T1122024
Position Surface form Disambiguated ID Type / Status
Subject Amtrak Northeast Regional E24631 entity
Predicate usesInfrastructureOwnedBy P5683 FINISHED
Object Metro-North Railroad (New Haven Line segments) E26106 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: Metro-North Railroad (New Haven Line segments) | Statement: [Amtrak Northeast Regional, usesInfrastructureOwnedBy, Metro-North Railroad (New Haven Line segments)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metro-North Railroad (New Haven Line segments)
Context triple: [Amtrak Northeast Regional, usesInfrastructureOwnedBy, Metro-North Railroad (New Haven Line segments)]
  • A. New Haven–Springfield Line
    The New Haven–Springfield Line is a key passenger rail corridor in the northeastern United States connecting New Haven, Connecticut, with Springfield, Massachusetts, and serving both intercity and commuter rail services.
  • B. Metro-North Railroad Hudson Line
    The Metro-North Railroad Hudson Line is a major commuter rail route running along the east bank of the Hudson River, connecting New York City with communities throughout the Hudson Valley.
  • C. New York, New Haven and Hartford Railroad
    The New York, New Haven and Hartford Railroad was a major railroad in the northeastern United States that operated extensive passenger and freight services across New England and into New York City during the late 19th and early 20th centuries.
  • D. Metro-North Railroad chosen
    Metro-North Railroad is a major commuter rail service operating in the New York metropolitan area, primarily connecting New York City with its northern suburbs in New York State and Connecticut.
  • E. Metro-North Railroad Port Jervis Line
    The Metro-North Railroad Port Jervis Line is a commuter rail line in the New York metropolitan area that provides long-distance service between Port Jervis and Hoboken, New Jersey, with connections to New York City.
  • 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: usesInfrastructureOwnedBy
Context triple: [Amtrak Northeast Regional, usesInfrastructureOwnedBy, Metro-North Railroad (New Haven Line segments)]
  • A. usesInfrastructure
    Indicates that one entity makes use of, depends on, or operates through the infrastructure provided or managed by another entity.
  • B. ownerOfInfrastructureUsed chosen
    Indicates that one entity owns the infrastructure that is being used by another entity or activity.
  • C. supportsInfrastructure
    Indicates that one entity provides resources, services, or capabilities that enable the operation, maintenance, or development of another entity’s infrastructure.
  • D. isPartOfInfrastructure
    Indicates that something belongs to, is included within, or functions as a component of a larger infrastructure system.
  • E. hasInfrastructureType
    Indicates that an entity possesses or is associated with a specific category or type of infrastructure.
  • 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_69a4940712c88190aa244f3fc6070a65 completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4bc4bc21881909dcfe628f59f3e8c completed March 1, 2026, 10:23 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac6f0fac0c8190b23a976b495d1701 completed March 7, 2026, 6:31 p.m.
PD Predicate disambiguation batch_69a4bb4749ac8190b0fbddac2e9b2586 completed March 1, 2026, 10:18 p.m.
Created at: March 1, 2026, 7:44 p.m.