Triple
T8794938
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Corcovado Rack Railway |
E209266
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | cog railway |
C14880
|
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: cog railway Context triple: [Corcovado Rack Railway, instanceOf, cog railway]
-
A.
public railway
A public railway is a government- or publicly-owned rail transport system that provides scheduled passenger and/or freight services accessible to the general population, typically operating on standardized tracks and infrastructure.
-
B.
steam-powered railway
A steam-powered railway is a transportation system in which trains are propelled along tracks by locomotives that generate mechanical power from steam produced by boiling water, typically using coal or other fuels.
-
C.
mountain rack railway
chosen
A mountain rack railway is a steep-gradient railway system that uses a toothed rack rail engaged by a cogwheel on the train to provide additional traction and braking on mountainous terrain.
-
D.
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.
-
E.
street railway company
A street railway company is a business entity that owns, operates, and maintains streetcars or trams running on fixed rails along public streets to provide urban passenger transportation.
- F. None of above.
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_69ca836240888190a62b262e56a69d2f |
completed | March 30, 2026, 2:06 p.m. |
Created at: March 30, 2026, 6:43 p.m.