Triple
T2842405
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North York Centre station |
E62498
|
entity |
| Predicate | isPartOfSystem |
P840
|
FINISHED |
| Object | Toronto Transit Commission subway system |
E46847
|
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 subway system | Statement: [North York Centre station, isPartOfSystem, Toronto Transit Commission subway system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Toronto Transit Commission subway system Context triple: [North York Centre station, isPartOfSystem, Toronto Transit Commission subway system]
-
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 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.
-
C.
Toronto Transit Commission
The Toronto Transit Commission is the public agency that operates Toronto’s primary network of subways, buses, and streetcars.
-
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.
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.
- 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_69ab4c3d16bc81908b3a1c98fbd287fe |
completed | March 6, 2026, 9:50 p.m. |
| NER | Named-entity recognition | batch_69abdf1898748190b031a2bd2091c0c0 |
completed | March 7, 2026, 8:17 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b03133de8c8190942c727b89c81b28 |
completed | March 10, 2026, 2:56 p.m. |
Created at: March 6, 2026, 10:01 p.m.