Triple
T7614805
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | AC-12 |
E172335
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | Southern Pacific locomotive class |
C3460
|
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: Southern Pacific locomotive class Context triple: [AC-12, instanceOf, Southern Pacific locomotive class]
-
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.
streamlined locomotive
chosen
A streamlined locomotive is a high-speed railway engine designed with smooth, aerodynamic contours to reduce air resistance and improve efficiency and performance.
-
C.
locomotive works
A locomotive works is an industrial facility where locomotives are designed, manufactured, assembled, repaired, and maintained.
-
D.
electric locomotive class
An electric locomotive class is a category of railway locomotives designed and grouped by shared technical and performance characteristics, all powered by electricity from external sources such as overhead lines or third rails.
-
E.
Amtrak rolling stock
Amtrak rolling stock comprises the locomotives, passenger cars, and specialized rail vehicles owned or operated by Amtrak for intercity and regional passenger rail service in the United States.
- 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.