Triple
T12409936
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lakeshore West line |
E296488
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Toronto Union Station |
E12424
|
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 Union Station | Statement: [Lakeshore West line, terminus, Toronto Union Station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Toronto Union Station Context triple: [Lakeshore West line, terminus, Toronto Union Station]
-
A.
Union Station, Toronto
chosen
Union Station in Toronto is the city’s primary railway and transit hub, serving as a central gateway for regional, national, and local transportation.
-
B.
Ottawa Train Station
The Ottawa Train Station, now known as the Senate of Canada Building, is a historic Beaux-Arts former railway station in downtown Ottawa that has been repurposed to house Canada’s upper parliamentary chamber.
-
C.
Union station (TTC)
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.
-
D.
Waterloo station
Waterloo station is a major central London railway terminus and Underground hub, known as one of the busiest transport interchanges in the United Kingdom.
-
E.
Eglinton GO Station
Eglinton GO Station is a commuter rail station in Toronto, Ontario, served by GO Transit's Stouffville line and connecting local transit services.
- 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_69d6ad9f464c81909db36d7e96e34b9e |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d94d4b86c88190afba0de15b34eee9 |
completed | April 10, 2026, 7:19 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6556495208190abd2e3e5aaac57a5 |
completed | May 2, 2026, 7:49 p.m. |
Created at: April 8, 2026, 9:55 p.m.