Triple
T13455520
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Westinghouse H2C |
E311221
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | electric multiple-unit coupler system |
C18983
|
CONCEPT FINISHED |
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
CD
Concept disambiguation
gpt-5-mini-2025-08-07
Target class: electric multiple-unit coupler system Context triple: [Westinghouse H2C, instanceOf, electric multiple-unit coupler system]
-
A.
railway coupling system
chosen
A railway coupling system is a mechanical assembly that connects railway vehicles together, transmitting forces for traction and braking while maintaining alignment and safe separation between cars.
-
B.
automatic coupler
An automatic coupler is a self-acting mechanical device used to connect and disconnect railway vehicles (or similar rolling stock) without manual intervention, ensuring secure, rapid, and standardized coupling.
-
C.
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.
-
D.
third rail electrification system
A third rail electrification system is a method of providing electric power to trains via an additional rail mounted alongside or between the running rails, from which current is collected by contact shoes on the train.
-
E.
electrified railway
An electrified railway is a rail transport system in which trains receive power from external electrical sources, such as overhead lines or third rails, instead of relying on onboard fuel.
- F. None of above.
Provenance (1 batch)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69d806a938b8819097ec43a2229fc7f9 |
elicitation | completed |
Created at: April 9, 2026, 9:41 p.m.