Triple
T7578429
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Guelph Central Station |
E179419
|
entity |
| Predicate | railLineServed |
P6301
|
FINISHED |
| Object | Guelph Subdivision |
E607899
|
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: Guelph Subdivision | Statement: [Guelph Central Station, railLineServed, Guelph Subdivision]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Guelph Subdivision Context triple: [Guelph Central Station, railLineServed, Guelph Subdivision]
-
A.
Guelph Subdivision
chosen
Guelph Subdivision is a key railway corridor in Southern Ontario that carries both passenger and freight traffic, including GO Transit's Kitchener line services.
-
B.
Mohawk Subdivision
The Mohawk Subdivision is a key railroad line in upstate New York that forms part of the main passenger and freight corridor between Albany and western New York.
-
C.
Hudson Subdivision
The Hudson Subdivision is a key railroad line in New York State that carries passenger and freight trains along the Hudson River corridor, including service through Albany–Rensselaer station.
-
D.
Weston Subdivision
Weston Subdivision is a key railway corridor in the Greater Toronto Area used by GO Transit and other operators for commuter and freight rail services.
-
E.
Marks Tey–Sudbury branch
The Marks Tey–Sudbury branch is a rural railway line in Essex, England, connecting the Great Eastern Main Line at Marks Tey with the town of Sudbury.
- 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_69c69f327db881909a21ae3b156f8ded |
completed | March 27, 2026, 3:16 p.m. |
| NER | Named-entity recognition | batch_69c701731a288190b53ffc546a2f47d7 |
completed | March 27, 2026, 10:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8616d87f881909fe23220dc77167c |
completed | March 28, 2026, 11:17 p.m. |
Created at: March 27, 2026, 3:51 p.m.