Triple

T11929300
Position Surface form Disambiguated ID Type / Status
Subject Lakeshore West corridor E283867 entity
Predicate isRailInfrastructureFor P15040 FINISHED
Object Lakeshore West GO train service E146638 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 GO train service | Statement: [Lakeshore West corridor, isRailInfrastructureFor, Lakeshore West GO train service]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lakeshore West GO train service
Context triple: [Lakeshore West corridor, isRailInfrastructureFor, Lakeshore West GO train service]
  • A. Lakeshore West line
    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. GO Transit Lakeshore West line chosen
    The GO Transit Lakeshore West line is a commuter rail corridor in Southern Ontario that runs westward from Toronto’s Union Station through cities along the shore of Lake Ontario to Hamilton and Niagara Falls.
  • C. GO Transit Lakeshore East line
    The GO Transit Lakeshore East line is a commuter rail corridor in the Greater Toronto Area that runs eastward from Toronto’s Union Station through suburban communities toward Oshawa.
  • D. GO Transit Stouffville line
    The GO Transit Stouffville line is a commuter rail line in the Greater Toronto Area that runs between downtown Toronto and communities to the northeast, including Stouffville.
  • E. GO Transit Barrie line
    The GO Transit Barrie line is a commuter rail service in the Greater Toronto Area that connects downtown Toronto with communities to the north, including the city of Barrie.
  • 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: isRailInfrastructureFor
Context triple: [Lakeshore West corridor, isRailInfrastructureFor, Lakeshore West GO train service]
  • A. usesRailInfrastructureOf chosen
    Indicates that one entity operates on, accesses, or otherwise makes use of the rail infrastructure owned or managed by another entity.
  • B. hasRailwayInfrastructureType
    Indicates that an entity possesses or is associated with a specific type or category of railway infrastructure.
  • C. connectsToRailwayNetwork
    Indicates that one entity is physically or functionally linked to a railway network, allowing access or transfer between them.
  • D. isElectricRailway
    Indicates that a given railway system operates using electric power rather than diesel or other forms of propulsion.
  • E. railwayInfrastructureManager
    Indicates that one entity is responsible for managing, maintaining, and operating the railway infrastructure used by 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_69d6ab2ce9c48190b5d39511b524f666 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d90303a9a88190a4044e6310ba9b4b completed April 10, 2026, 2:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69f458a576fc8190b68b27365cd53caf completed May 1, 2026, 7:39 a.m.
PD Predicate disambiguation batch_69d8bb3af0188190bfb22be5c97b3349 completed April 10, 2026, 8:56 a.m.
Created at: April 8, 2026, 9:45 p.m.