Triple

T12409741
Position Surface form Disambiguated ID Type / Status
Subject Scarborough Rapid Transit E296483 entity
Predicate plannedReplacement P36091 FINISHED
Object Scarborough Subway Extension E856542 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: [Scarborough Rapid Transit, plannedReplacement, Scarborough Subway Extension]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Scarborough Subway Extension
Context triple: [Scarborough Rapid Transit, plannedReplacement, Scarborough Subway Extension]
  • A. Scarborough Subway Extension of Line 2 Bloor–Danforth chosen
    The Scarborough Subway Extension of Line 2 Bloor–Danforth is a planned Toronto subway project that will replace the aging Scarborough RT with a longer, fully grade-separated rapid transit line extending Line 2 further into Scarborough.
  • B. Toronto Transit Commission Line 1 extension
    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.
  • C. Montreal Metro Blue Line extension
    The Montreal Metro Blue Line extension is a planned expansion of the city’s rapid transit network that will extend the Blue Line eastward to serve additional neighborhoods, including Saint-Léonard.
  • D. SkyTrain Evergreen Extension
    The SkyTrain Evergreen Extension is a rapid transit line in Metro Vancouver that extends the existing SkyTrain network to serve communities including Coquitlam and Port Moody.
  • E. 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.
  • 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_69d6ad9f464c81909db36d7e96e34b9e completed April 8, 2026, 7:33 p.m.
NER Named-entity recognition batch_69d94d4b86c88190afba0de15b34eee9 completed April 10, 2026, 7:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69f6348af5a8819083a075d145b15fd4 completed May 2, 2026, 5:29 p.m.
Created at: April 8, 2026, 9:55 p.m.