Triple
T24963979
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 150/2 |
E624687
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | railway vehicle subclass |
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: railway vehicle subclass Context triple: [British Rail Class 150/2, instanceOf, railway vehicle subclass]
-
A.
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.
-
B.
railway vehicle design
Railway vehicle design is the engineering discipline focused on conceptualizing, developing, and optimizing rail vehicles for performance, safety, comfort, and compatibility with railway infrastructure and operations.
-
C.
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.
-
D.
rolling stock
chosen
Rolling stock refers to all the vehicles that move on a railway, including locomotives, passenger coaches, freight wagons, and maintenance units.
-
E.
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.
- 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_69e2ff23a3a88190b1b9743fe5e15f94 |
completed | April 18, 2026, 3:48 a.m. |
Created at: April 18, 2026, 5:59 a.m.