Triple
T5613419
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Amtrak services at Chicago Union Station |
E147417
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | passenger rail service network |
C3549
|
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: passenger rail service network Context triple: [Amtrak services at Chicago Union Station, instanceOf, passenger rail service network]
-
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.
railway network
chosen
A railway network is an interconnected system of tracks, stations, signaling, and rolling stock that enables the organized movement of trains between multiple locations.
-
C.
public railway
A public railway is a government- or publicly-owned rail transport system that provides scheduled passenger and/or freight services accessible to the general population, typically operating on standardized tracks and infrastructure.
-
D.
national railway system
A national railway system is a coordinated network of rail infrastructure, services, and governance that provides passenger and freight transportation across a country.
-
E.
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.
- 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_69c00905d4588190bd967842bbcf2219 |
completed | March 22, 2026, 3:21 p.m. |
Created at: March 22, 2026, 3:39 p.m.