Triple
T239216
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Toronto Transit Commission |
E4890
|
entity |
| Predicate | operatorOf |
P179
|
FINISHED |
| Object | Line 3 Scarborough (until 2023) |
E7282
|
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: Line 3 Scarborough (until 2023) | Statement: [Toronto Transit Commission, operatorOf, Line 3 Scarborough (until 2023)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Line 3 Scarborough (until 2023) Context triple: [Toronto Transit Commission, operatorOf, Line 3 Scarborough (until 2023)]
-
A.
Line 3 Scarborough (closed in 2023)
chosen
Line 3 Scarborough (closed in 2023) was a light metro line in Toronto’s transit system that connected the city’s eastern Scarborough district to the broader subway network.
-
B.
Line 4 Sheppard
Line 4 Sheppard is a short, east–west subway line in Toronto’s transit system that primarily serves the Sheppard Avenue corridor in the city’s north end.
-
C.
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.
-
D.
Pink Line
The Pink Line is a rapid transit route in Chicago's "L" system that runs between the Loop and the city's West Side neighborhoods.
-
E.
Line 2 Bloor–Danforth
Line 2 Bloor–Danforth is a major east–west subway line in Toronto’s rapid transit system, running primarily along Bloor Street and Danforth Avenue.
- 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_69a257c3d0708190b0871c4269d273e6 |
completed | Feb. 28, 2026, 2:49 a.m. |
| NER | Named-entity recognition | batch_69a260c42060819089eb772202e504f5 |
completed | Feb. 28, 2026, 3:28 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a3695ec8cc8190a070462cd0022f6a |
completed | Feb. 28, 2026, 10:17 p.m. |
Created at: Feb. 28, 2026, 2:53 a.m.