Triple
T1257403
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Union Station, Toronto |
E12424
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | heritage railway station |
C7193
|
CONCEPT FINISHED |
How this triple was built (1 step)
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.
CD
Concept disambiguation
gpt-5-mini-2025-08-07
Target class: heritage railway station Context triple: [Union Station, Toronto, instanceOf, heritage railway station]
-
A.
heritage railway
A heritage railway is a preserved or restored railway line operated primarily for historical, educational, and touristic purposes, often using vintage locomotives, rolling stock, and traditional operating practices.
-
B.
former railway station
A former railway station is a decommissioned train facility that once served passengers or freight but is no longer in active railway use.
-
C.
railway museum
A railway museum is a public institution that collects, preserves, and exhibits historic trains, railway equipment, and related artifacts to educate visitors about the history and technology of rail transport.
-
D.
railway station classification
Railway station classification is the conceptual categorization of railway stations based on attributes such as size, passenger volume, services offered, and operational importance within a rail network.
-
E.
train station
A train station is a designated facility where trains regularly stop to pick up and drop off passengers and sometimes freight, typically featuring platforms, ticketing services, and waiting areas.
- F. None of above. chosen
Provenance (1 batch)
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_69a4933352e08190ac617291985e76c0 |
completed | March 1, 2026, 7:27 p.m. |
Created at: March 1, 2026, 7:50 p.m.