Triple

T1459227
Position Surface form Disambiguated ID Type / Status
Subject Toronto Civic Railways E31470 entity
Predicate absorbedInto P77 FINISHED
Object Toronto Transit Commission streetcar system E4890 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 Transit Commission streetcar system | Statement: [Toronto Civic Railways, absorbedInto, Toronto Transit Commission streetcar system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Toronto Transit Commission streetcar system
Context triple: [Toronto Civic Railways, absorbedInto, Toronto Transit Commission streetcar system]
  • A. Toronto streetcar system
    The Toronto streetcar system is one of the largest and oldest electric streetcar networks in North America, serving as a key component of Toronto’s public transit and urban identity.
  • B. Toronto Transit Commission chosen
    The Toronto Transit Commission is the public agency that operates Toronto’s primary network of subways, buses, and streetcars.
  • C. Toronto Civic Railways
    Toronto Civic Railways was a municipally owned streetcar system that operated in Toronto in the early 20th century before being absorbed into the unified public transit network.
  • D. Toronto subway
    The Toronto subway is the primary rapid transit system in Toronto, Ontario, consisting of multiple underground and elevated lines that serve as the backbone of the city’s public transportation network.
  • E. Spadina streetcar line
    The Spadina streetcar line is a major Toronto Transit Commission route running along Spadina Avenue, connecting key downtown destinations including the University of Toronto’s St. George campus.
  • 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_69a49917dfc081909acdbdf5d684f1ef completed March 1, 2026, 7:52 p.m.
NER Named-entity recognition batch_69a4c59c1c288190be08064f2d351b2b completed March 1, 2026, 11:02 p.m.
NED1 Entity disambiguation (via context triple) batch_69ad0e786a208190a57c4e1878c66517 completed March 8, 2026, 5:51 a.m.
Created at: March 1, 2026, 8 p.m.