Triple
T7614844
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Southern Pacific 4294 |
E172335
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | preserved 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: preserved steam locomotive Context triple: [Southern Pacific 4294, instanceOf, preserved steam locomotive]
-
A.
railway locomotive
chosen
A railway locomotive is a powered rail vehicle that provides the motive force to pull or push trains along railway tracks.
-
B.
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.
-
C.
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.
-
D.
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.
-
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_69c6994f50808190ba228764bb422417 |
completed | March 27, 2026, 2:50 p.m. |
Created at: March 27, 2026, 3:55 p.m.