Triple
T1459249
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | 1900 Yonge Street |
E31471
|
entity |
| Predicate | transitOperator |
P20657
|
FINISHED |
| Object | Toronto Transit Commission |
E4890
|
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 | Statement: [1900 Yonge Street, transitOperator, Toronto Transit Commission]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Toronto Transit Commission Context triple: [1900 Yonge Street, transitOperator, Toronto Transit Commission]
-
A.
Toronto Transit Commission
chosen
The Toronto Transit Commission is the public agency that operates Toronto’s primary network of subways, buses, and streetcars.
-
B.
OC Transpo
OC Transpo is the public transit agency that operates bus and light rail services throughout Ottawa, Ontario.
-
C.
York Region Transit
York Region Transit is the public transportation system serving communities across York Region in Ontario, Canada, operating local and rapid bus services that connect towns and cities north of Toronto.
-
D.
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.
-
E.
GO Transit
GO Transit is a regional public transit system in Southern Ontario, Canada, providing commuter rail and bus services connecting Toronto with surrounding municipalities.
- 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: transitOperator Context triple: [1900 Yonge Street, transitOperator, Toronto Transit Commission]
-
A.
partOfTransitSystem
Indicates that something is a component or segment within a larger transit or transportation system.
-
B.
trainOperator
Indicates that one entity operates, manages, or runs train services for another entity or within a specific rail system.
-
C.
hasPublicTransportAgency
chosen
Indicates that a place or transport system is served, managed, or overseen by a specific public transportation agency.
-
D.
ferryOperator
Indicates that one entity operates, manages, or runs a ferry service for another entity or in a particular context.
-
E.
hasBusOperator
Indicates that a bus service, route, or vehicle is operated or managed by a specific operator or company.
- 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_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_69ad36fd91488190b0431bc1c83c64e3 |
completed | March 8, 2026, 8:44 a.m. |
| PD | Predicate disambiguation | batch_69a4c47ec5108190b1772237f2e5d90b |
completed | March 1, 2026, 10:58 p.m. |
Created at: March 1, 2026, 8 p.m.