Triple

T3678527
Position Surface form Disambiguated ID Type / Status
Subject McCowan station E78053 entity
Predicate servedTransitSystem P14525 FINISHED
Object Toronto Transit Commission subway E46847 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: Toronto Transit Commission subway | Statement: [McCowan station, servedTransitSystem, Toronto Transit Commission subway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Toronto Transit Commission subway
Context triple: [McCowan station, servedTransitSystem, Toronto Transit Commission subway]
  • A. Toronto subway chosen
    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.
  • B. Toronto Transit Commission
    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. Scarborough Rapid Transit
    Scarborough Rapid Transit was a light metro line in Toronto, Canada, that served the Scarborough district as part of the Toronto Transit Commission’s rapid transit network.
  • E. 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.
  • 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: servedTransitSystem
Context triple: [McCowan station, servedTransitSystem, Toronto Transit Commission subway]
  • A. transportationServedBy chosen
    Indicates that a transportation facility, route, or area is provided service or coverage by a specific transportation provider or mode.
  • B. appliesToTransitSystem
    Indicates that something (such as a rule, policy, feature, or condition) is relevant or applicable to a particular transit or transportation system.
  • C. partOfTransitSystem
    Indicates that something is a component or segment within a larger transit or transportation system.
  • D. rapidTransitSystem
    Indicates a transportation relationship where people or goods are moved via a high-capacity, high-frequency public transit system designed for rapid travel over urban or regional routes.
  • E. paratransitSystemName
    Indicates the name assigned to a specific paratransit transportation system or service.
  • 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_69ad85e18c1c8190be8aafb227f39f48 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc46599188190a046eddb0d85c483 completed March 8, 2026, 6:48 p.m.
NED1 Entity disambiguation (via context triple) batch_69b4fafdfe108190a808364578d5edd1 completed March 14, 2026, 6:06 a.m.
PD Predicate disambiguation batch_69adb84be1fc81909721c871babb4633 completed March 8, 2026, 5:56 p.m.
Created at: March 8, 2026, 3:25 p.m.