Triple

T1257411
Position Surface form Disambiguated ID Type / Status
Subject Union Station, Toronto E12424 entity
Predicate railServicesOperator P20222 FINISHED
Object VIA Rail E127380 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: VIA Rail | Statement: [Union Station, Toronto, railServicesOperator, VIA Rail]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: VIA Rail
Context triple: [Union Station, Toronto, railServicesOperator, VIA Rail]
  • A. Via Rail chosen
    Via Rail is Canada's national intercity passenger rail service, operating train routes that connect major cities and regions across the country.
  • B. Canadian National Railway
    Canadian National Railway is a major Canadian freight railway company that operates an extensive rail network across Canada and into the United States.
  • C. Canadian Pacific Kansas City Limited
    Canadian Pacific Kansas City Limited is a major North American freight railway company formed by the merger of Canadian Pacific Railway and Kansas City Southern, operating an extensive rail network connecting Canada, the United States, and Mexico.
  • D. Réseau Express Régional
    The Réseau Express Régional (RER) is a hybrid suburban commuter and rapid transit rail system serving Paris and its surrounding Île-de-France region, integrating with the Paris Métro to provide high-capacity, cross-city connections.
  • E. Amtrak
    Amtrak is the United States’ national passenger railroad service, operating intercity and long-distance trains across much of the country.
  • 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: railServicesOperator
Context triple: [Union Station, Toronto, railServicesOperator, VIA Rail]
  • A. railwayCompany
    Indicates that one entity is a railway company that owns, operates, or manages railway services or infrastructure in relation to another entity.
  • B. railServiceType
    Indicates the specific category or type of rail service that applies to the relationship between the involved entities (e.g., local, express, freight).
  • C. trainOperator chosen
    Indicates that one entity operates, manages, or runs train services for another entity or within a specific rail system.
  • D. transportationServedBy
    Indicates that a transportation facility, route, or area is provided service or coverage by a specific transportation provider or mode.
  • E. airTrainOperator
    Indicates that one entity operates or manages the air train service associated with another entity.
  • 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_69a4933352e08190ac617291985e76c0 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a4bfa8cfa08190ac49c437a94a843c completed March 1, 2026, 10:37 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac93cdba808190b7d164bb98efe3dc completed March 7, 2026, 9:08 p.m.
PD Predicate disambiguation batch_69a4bb6c977c8190a2bf3e8b67a59beb completed March 1, 2026, 10:19 p.m.
Created at: March 1, 2026, 7:50 p.m.