Triple
T15300776
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Dundas streetcar line |
E365781
|
entity |
| Predicate | ownership |
P347
|
FINISHED |
| Object | City of Toronto (via TTC) |
E921949
|
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: City of Toronto (via TTC) | Statement: [Dundas streetcar line, ownership, City of Toronto (via TTC)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: City of Toronto (via TTC) Context triple: [Dundas streetcar line, ownership, City of Toronto (via TTC)]
-
A.
City of Toronto Transportation Services
chosen
City of Toronto Transportation Services is the municipal division responsible for planning, operating, and maintaining Toronto’s road, sidewalk, and traffic management infrastructure.
-
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 public transit network
The Toronto public transit network is an integrated system of subways, streetcars, buses, and rapid transit services that provides urban and regional transportation across the city of Toronto and surrounding areas.
-
D.
TTC network
The TTC network is Toronto’s integrated public transit system, encompassing subway, streetcar, and bus services across the city.
-
E.
TTC
TTC is the station code for The Trafford Centre tram stop on Greater Manchester's Metrolink light rail 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_69d85a113ee881908e297a1d38dd79fa |
completed | April 10, 2026, 2:01 a.m. |
| NER | Named-entity recognition | batch_69e0368869f8819098cf9e7801e37548 |
completed | April 16, 2026, 1:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69feef8513a08190b2d2a7dde85dd43d |
completed | May 9, 2026, 8:25 a.m. |
Created at: April 10, 2026, 3:15 a.m.