Triple
T7082316
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 755 |
E164985
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | bi-mode multiple unit |
C11312
|
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: bi-mode multiple unit Context triple: [British Rail Class 755, instanceOf, bi-mode multiple unit]
-
A.
bi-mode multiple unit train
chosen
A bi-mode multiple unit train is a self-propelled trainset capable of operating using both external electric power (from overhead lines or third rail) and onboard diesel or battery power, allowing seamless running across electrified and non-electrified routes.
-
B.
diesel-electric multiple unit family
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.
-
C.
bi-level passenger railcar
A bi-level passenger railcar is a rail vehicle with two passenger decks designed to increase seating capacity and improve space efficiency on trains.
-
D.
Group B car
A Group B car is a high-performance rally vehicle built to the FIA’s 1980s Group B regulations, characterized by extreme power, advanced technology, and minimal restrictions that led to both legendary speed and significant safety concerns.
-
E.
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.
- 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_69c6887d98408190912b9580666b0c1d |
completed | March 27, 2026, 1:39 p.m. |
Created at: March 27, 2026, 2:40 p.m.