Triple
T25779950
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Southern Pacific AC-9 |
E649259
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | cab-forward type 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: cab-forward type locomotive Context triple: [Southern Pacific AC-9, instanceOf, cab-forward type locomotive]
-
A.
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.
-
B.
railway locomotive
chosen
A railway locomotive is a powered rail vehicle that provides the motive force to pull or push trains along railway tracks.
-
C.
wagon train leader
A wagon train leader is the person responsible for planning the route, organizing the wagons and travelers, making critical decisions on the trail, and ensuring the safety and coordination of the entire migrating group.
-
D.
locomotive works
A locomotive works is an industrial facility where locomotives are designed, manufactured, assembled, repaired, and maintained.
-
E.
railway locomotive class
A railway locomotive class is a categorization of locomotives that share common design, performance, and functional characteristics, typically used for identification, operation, and maintenance purposes.
- 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_69e7ab333b508190b6d708d8d9a328ed |
completed | April 21, 2026, 4:52 p.m. |
Created at: April 22, 2026, 5:37 a.m.