Triple
T20809469
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ontario Northland Railway station (Cochrane) |
E512258
|
entity |
| Predicate | railwayLine |
P848
|
FINISHED |
| Object | Ontario Northland Railway mainline |
—
|
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: Ontario Northland Railway mainline | Statement: [Ontario Northland Railway station (Cochrane), railwayLine, Ontario Northland Railway mainline]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Ontario Northland Railway mainline Context triple: [Ontario Northland Railway station (Cochrane), railwayLine, Ontario Northland Railway mainline]
-
A.
Ontario Northland Railway
chosen
Ontario Northland Railway is a regional rail operator in northeastern Ontario that provides freight and passenger services connecting remote communities with larger urban centers.
-
B.
Pinetree Line
The Pinetree Line was a Cold War-era chain of radar stations across southern Canada designed to provide early warning of potential Soviet air attacks on North America.
-
C.
North Bay Railway
North Bay Railway is a historic miniature railway in Scarborough, England, offering scenic seaside rides for tourists and families.
-
D.
BC Rail mainline
The BC Rail mainline is the primary railway corridor of the former British Columbia Railway, linking key inland regions of British Columbia to coastal ports and major transportation hubs.
-
E.
Canadian National Railway main line
The Canadian National Railway main line is a major transcontinental rail corridor in Canada that carries significant freight and passenger traffic across key regions of the country.
- 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_69e0b4cd25088190b48ca9700cd24efc |
completed | April 16, 2026, 10:07 a.m. |
| NER | Named-entity recognition | batch_69e6c2d199888190b8b190c928f510b7 |
completed | April 21, 2026, 12:20 a.m. |
Created at: April 16, 2026, 12:40 p.m.