Triple
T12390634
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | second Union Station (opened 1895) |
E295983
|
entity |
| Predicate | precededBy |
P97
|
FINISHED |
| Object | first Union Station (Toronto) |
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: first Union Station (Toronto) | Statement: [second Union Station (opened 1895), precededBy, first Union Station (Toronto)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: first Union Station (Toronto) Context triple: [second Union Station (opened 1895), precededBy, first Union Station (Toronto)]
-
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.
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.
-
C.
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.
-
D.
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.
-
E.
Brampton GO Station
Brampton GO Station is a commuter rail and bus transit hub in Brampton, Ontario, serving GO Transit and regional passengers on the Kitchener line.
- 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_69d6ad9e653c8190b1473c860ee53dae |
completed | April 8, 2026, 7:33 p.m. |
| NER | Named-entity recognition | batch_69d93fd0bcc48190bb1a59a3aaa6bfdf |
completed | April 10, 2026, 6:22 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69f6556240f48190a3510d10ab98127b |
completed | May 2, 2026, 7:49 p.m. |
Created at: April 8, 2026, 9:54 p.m.