Triple
T12861312
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | WM F7 diesel units |
E307595
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | Electro-Motive Division F7 |
C23332
|
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: Electro-Motive Division F7 Context triple: [WM F7 diesel units, instanceOf, Electro-Motive Division F7]
-
A.
Electrostar family
The Electrostar family is a series of modern electric multiple-unit passenger trains designed for suburban and regional services, known for their modular construction and widespread use in the UK rail network.
-
B.
diesel-electric locomotive family
chosen
A diesel-electric locomotive family is a group of closely related locomotive models that share a common diesel engine and electric transmission design, with variations in power, configuration, and features tailored to different rail service needs.
-
C.
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.
-
D.
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.
-
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_69d7bdf5e7cc8190be357278bc5ba3bb |
completed | April 9, 2026, 2:55 p.m. |
Created at: April 9, 2026, 5:37 p.m.