Triple
T12169370
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Highway 407 station |
E289916
|
entity |
| Predicate | isOnCorridor |
P1018
|
FINISHED |
| Object | Spadina subway extension corridor |
E200162
|
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: Spadina subway extension corridor | Statement: [Highway 407 station, isOnCorridor, Spadina subway extension corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Spadina subway extension corridor Context triple: [Highway 407 station, isOnCorridor, Spadina subway extension corridor]
-
A.
Toronto Transit Commission Line 1 extension
chosen
The Toronto Transit Commission Line 1 extension is a subway line expansion that extends Toronto’s primary north–south rapid transit route into York Region, improving regional connectivity and access to the city’s transit network.
-
B.
Scarborough Subway Extension of Line 2 Bloor–Danforth
The Scarborough Subway Extension of Line 2 Bloor–Danforth is a planned Toronto subway project that will replace the aging Scarborough RT with a longer, fully grade-separated rapid transit line extending Line 2 further into Scarborough.
-
C.
Yonge Street subway corridor
The Yonge Street subway corridor is a major rapid transit route in Toronto that follows Yonge Street and forms the backbone of the city’s subway network.
-
D.
Lakeshore East corridor
The Lakeshore East corridor is a major rail route in the Greater Toronto Area that carries GO Transit commuter trains between downtown Toronto and communities to the east.
-
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_69d6ab4d6c00819095a9a7c35de83cfb |
completed | April 8, 2026, 7:23 p.m. |
| NER | Named-entity recognition | batch_69d915d9659481909c75b12aa836bbf3 |
completed | April 10, 2026, 3:23 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f60a85e42481908c5517a24f7688e0 |
completed | May 2, 2026, 2:30 p.m. |
Created at: April 8, 2026, 9:50 p.m.