Triple

T2758135
Position Surface form Disambiguated ID Type / Status
Subject GO Transit E61153 entity
Predicate hasRailServiceBrand P39149 FINISHED
Object Lakeshore West line E296488 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: Lakeshore West line | Statement: [GO Transit, hasRailServiceBrand, Lakeshore West line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lakeshore West line
Context triple: [GO Transit, hasRailServiceBrand, Lakeshore West line]
  • A. Lakeshore West line chosen
    The Lakeshore West line is a major GO Transit commuter rail corridor in the Greater Toronto and Hamilton Area, running along the north shore of Lake Ontario and connecting Toronto with its western suburbs and cities.
  • B. Line 2 Bloor–Danforth
    Line 2 Bloor–Danforth is a major east–west subway line in Toronto’s rapid transit system, running primarily along Bloor Street and Danforth Avenue.
  • C. Esk Valley Line
    The Esk Valley Line is a rural railway route in North Yorkshire, England, running through the scenic Esk Valley between Middlesbrough and Whitby.
  • D. Trillium Line
    The Trillium Line is a diesel light rail transit line in Ottawa, Ontario, forming part of the city’s O-Train network and connecting southern communities with the downtown area.
  • E. Canada Line
    The Canada Line is a rapid transit rail line in Metro Vancouver, British Columbia, connecting downtown Vancouver with the Vancouver International Airport and the suburb of Richmond.
  • 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: hasRailServiceBrand
Context triple: [GO Transit, hasRailServiceBrand, Lakeshore West line]
  • A. railwayOperatorBranding chosen
    Indicates that one entity is responsible for the railway-related branding, livery, or visual identity applied to another entity (such as a train service, station, or rolling stock).
  • 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. servedByRailroad
    Indicates that a location or facility is provided with transportation or service by a railroad line or company.
  • D. railwayCompany
    Indicates that one entity is a railway company that owns, operates, or manages railway services or infrastructure in relation to another entity.
  • E. transportationServedBy
    Indicates that a transportation facility, route, or area is provided service or coverage by a specific transportation provider or mode.
  • 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_69ab4b7a85bc819094a349b84beb1f2c completed March 6, 2026, 9:47 p.m.
NER Named-entity recognition batch_69abdb8ba4688190b401b6eb5b734ac6 completed March 7, 2026, 8:02 a.m.
NED1 Entity disambiguation (via context triple) batch_69b1f852ebbc8190885b819a79719c6d completed March 11, 2026, 11:18 p.m.
PD Predicate disambiguation batch_69abd82de7f48190acd614f28644c6da completed March 7, 2026, 7:47 a.m.
Created at: March 6, 2026, 9:57 p.m.