Triple
T5453299
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Class 222 Meridian |
E122419
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | British rail vehicle class |
C6337
|
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: British rail vehicle class Context triple: [Class 222 Meridian, instanceOf, British rail vehicle class]
-
A.
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.
-
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.
rolling stock
Rolling stock refers to all the vehicles that move on a railway, including locomotives, passenger coaches, freight wagons, and maintenance units.
-
D.
railway locomotive
A railway locomotive is a powered rail vehicle that provides the motive force to pull or push trains along railway tracks.
-
E.
diesel-electric multiple unit family
chosen
A diesel-electric multiple unit family is a group of closely related self-propelled rail vehicles that use onboard diesel engines to generate electricity for traction motors, sharing common design, components, and performance characteristics.
- 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_69bd46424248819085282ddf50a565f3 |
completed | March 20, 2026, 1:06 p.m. |
Created at: March 20, 2026, 2:08 p.m.