Triple

T2572500
Position Surface form Disambiguated ID Type / Status
Subject SRT E57695 entity
Predicate plannedReplacement P36091 FINISHED
Object Scarborough 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: Scarborough Subway Extension | Statement: [SRT, plannedReplacement, Scarborough Subway Extension]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Scarborough Subway Extension
Context triple: [SRT, plannedReplacement, Scarborough 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. Jubilee line extension
    The Jubilee line extension is a major late-20th-century expansion of the London Underground that introduced new stations and modern infrastructure to connect central London with the Docklands and east London.
  • C. 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.
  • D. 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.
  • E. Sheppard subway
    Sheppard subway is a Toronto Transit Commission rapid transit line in North York that runs east–west along Sheppard Avenue.
  • 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_69ab4a51410081908501dcf8bad9adc4 completed March 6, 2026, 9:42 p.m.
NER Named-entity recognition batch_69abd3853c848190970e8a2da16d726d completed March 7, 2026, 7:28 a.m.
NED1 Entity disambiguation (via context triple) batch_69af83aefb00819095a6ab26f9bb61d9 completed March 10, 2026, 2:36 a.m.
Created at: March 6, 2026, 9:48 p.m.