Triple

T2692372
Position Surface form Disambiguated ID Type / Status
Subject Vaughan Metropolitan Centre station E58431 entity
Predicate partOfProject P10 FINISHED
Object Toronto–York Spadina Subway Extension E200162 NE FINISHED

How this triple was built (2 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: Toronto–York Spadina Subway Extension | Statement: [Vaughan Metropolitan Centre station, partOfProject, Toronto–York Spadina Subway Extension]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Toronto–York Spadina Subway Extension
Context triple: [Vaughan Metropolitan Centre station, partOfProject, Toronto–York Spadina Subway Extension]
  • A. Toronto Transit Commission Line 1 extension chosen
    The Toronto Transit Commission Line 1 extension is a subway line expansion that extends Toronto’s primary north–south rapid transit route into York Region, improving regional connectivity and access to the city’s transit network.
  • B. 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.
  • C. Yonge Street subway corridor
    The Yonge Street subway corridor is a major rapid transit route in Toronto that follows Yonge Street and forms the backbone of the city’s subway network.
  • 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. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ab4ac269e481909cb317d79e68b75b completed March 6, 2026, 9:44 p.m.
NER Named-entity recognition batch_69abda0dd97c81909a60cf200f57c087 completed March 7, 2026, 7:55 a.m.
NED1 Entity disambiguation (via context triple) batch_69afaf6501088190b8fe1ba8de4f6e00 completed March 10, 2026, 5:43 a.m.
Created at: March 6, 2026, 9:54 p.m.