Triple
T6263674
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail first-generation DMUs |
E140360
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | passenger rolling stock |
C8948
|
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: passenger rolling stock Context triple: [British Rail first-generation DMUs, instanceOf, passenger rolling stock]
-
A.
rolling stock
chosen
Rolling stock refers to all the vehicles that move on a railway, including locomotives, passenger coaches, freight wagons, and maintenance units.
-
B.
rail vehicle
A rail vehicle is a wheeled conveyance designed to operate on railway tracks for transporting passengers, freight, or performing specialized rail-related tasks.
-
C.
passenger train
A passenger train is a rail vehicle or series of connected vehicles designed to transport people and their luggage between stations along a fixed route and schedule.
-
D.
passenger railcar fleet
A passenger railcar fleet is a managed collection of rail vehicles designed and maintained to transport people safely and efficiently across a rail network.
-
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_69c008c95c5c819084bd3dd56133d84d |
completed | March 22, 2026, 3:20 p.m. |
Created at: March 22, 2026, 4:25 p.m.