Triple
T21985302
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Oshawa GO Station |
E542943
|
entity |
| Predicate | railwayLineServed |
P848
|
FINISHED |
| Object | Lakeshore East line |
—
|
NE NERFINISHED |
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: Lakeshore East line | Statement: [Oshawa GO Station, railwayLineServed, Lakeshore East line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lakeshore East line Context triple: [Oshawa GO Station, railwayLineServed, Lakeshore East line]
-
A.
Lakeshore East line
chosen
The Lakeshore East line is a GO Transit commuter rail corridor in the Greater Toronto Area that runs east from downtown Toronto toward Durham Region.
-
B.
Lakeshore West line
The Lakeshore West line is a major GO Transit commuter rail corridor in the Greater Toronto and Hamilton Area, running along the north shore of Lake Ontario and connecting Toronto with its western suburbs and cities.
-
C.
Ontario Line
The Ontario Line is a planned rapid transit line in Toronto, Canada, intended to relieve congestion on existing subway routes and improve connectivity across the city.
-
D.
Stouffville line
The Stouffville line is a commuter rail corridor in the Greater Toronto Area operated by GO Transit, connecting downtown Toronto with communities to the northeast including Markham and Stouffville.
-
E.
TTC Line 4 Sheppard
TTC Line 4 Sheppard is a short east–west subway line in Toronto’s rapid transit network, running under Sheppard Avenue East and connecting several North York neighborhoods to the broader TTC system.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0c48136b081908831fa907cc02e18 |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f12708cdcc81909511d9f81bd8f20e |
completed | April 28, 2026, 9:30 p.m. |
Created at: April 16, 2026, 8:04 p.m.