Triple
T2572306
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | UP Express at Union Station |
E57691
|
entity |
| Predicate | adjacentTo |
P224
|
FINISHED |
| Object | Toronto Transit Commission Union subway station |
E239025
|
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 Union subway station | Statement: [UP Express at Union Station, adjacentTo, Toronto Transit Commission Union subway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Toronto Transit Commission Union subway station Context triple: [UP Express at Union Station, adjacentTo, Toronto Transit Commission Union subway station]
-
A.
Union station (TTC)
chosen
Union station (TTC) is a major downtown Toronto subway station and transit hub that connects multiple subway lines with regional rail and other transportation services.
-
B.
High Park subway station
High Park subway station is a stop on Toronto’s Line 2 Bloor–Danforth subway, serving the High Park neighborhood and providing access to the adjacent High Park.
-
C.
York University station
York University station is a Toronto subway station on Line 1 serving the York University campus in North York, Ontario.
-
D.
North York Centre station
North York Centre station is a busy underground subway stop in Toronto’s North York district, serving the commercial and civic hub around Mel Lastman Square.
-
E.
Spadina station
Spadina station is a major Toronto subway interchange that connects the Yonge–University and Bloor–Danforth lines, serving the Spadina and Annex neighborhoods.
- 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_69ab4a51410081908501dcf8bad9adc4 |
completed | March 6, 2026, 9:42 p.m. |
| NER | Named-entity recognition | batch_69abd3853c848190970e8a2da16d726d |
completed | March 7, 2026, 7:28 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69af657028f08190b461442bfc7489e1 |
completed | March 10, 2026, 12:27 a.m. |
Created at: March 6, 2026, 9:48 p.m.