Triple
T25383105
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sierra Railway No. 3 |
E631445
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | American steam locomotive |
C3459
|
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: American steam locomotive Context triple: [Sierra Railway No. 3, instanceOf, American steam locomotive]
-
A.
American locomotive
An American locomotive is a rail vehicle designed and built in the United States to provide motive power for trains, reflecting the country’s specific engineering practices, operating conditions, and historical development of rail transport.
-
B.
Southern Pacific Railroad steam locomotive class
A Southern Pacific Railroad steam locomotive class is a group of steam engines built or rostered by the Southern Pacific Railroad that share common design, performance, and operational characteristics for specific types of rail service.
-
C.
railway locomotive
chosen
A railway locomotive is a powered rail vehicle that provides the motive force to pull or push trains along railway tracks.
-
D.
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.
-
E.
streamlined locomotive
A streamlined locomotive is a high-speed railway engine designed with smooth, aerodynamic contours to reduce air resistance and improve efficiency and performance.
- 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_69e75a8c50788190aabaa9f96710fc43 |
completed | April 21, 2026, 11:07 a.m. |
Created at: April 21, 2026, 1:46 p.m.