Triple
T3022763
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Keystone Service (select trains) |
E82501
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | Amtrak service |
C3457
|
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: Amtrak service Context triple: [Keystone Service (select trains), instanceOf, Amtrak service]
-
A.
passenger rail service
Passenger rail service is a transportation system that operates trains to carry people between locations on a scheduled basis, typically offering various classes of comfort and amenities.
-
B.
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.
-
C.
commuter rail line
A commuter rail line is a passenger train service that operates on fixed tracks and schedules to connect suburban or outlying areas with a central city, primarily serving daily work and school commuters.
-
D.
named train
A named train is a specific passenger rail service distinguished by a unique name, branding, and often a consistent route and schedule.
-
E.
named passenger train
chosen
A named passenger train is a specific, regularly scheduled train service distinguished by a unique name and consistent route, amenities, and branding for carrying passengers.
- 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_69ad8b1fb34081908c1b873e2b7273e1 |
completed | March 8, 2026, 2:43 p.m. |
Created at: March 8, 2026, 3 p.m.