Triple
T20619
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chicago Transit Authority |
E409
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | mass transit operator |
C221
|
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: mass transit operator Context triple: [Chicago Transit Authority, instanceOf, mass transit operator]
-
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.
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.
-
C.
transport hub
A transport hub is a central location where multiple modes or routes of transportation intersect, enabling the efficient transfer of passengers or goods between them.
-
D.
time-sharing company
A time-sharing company is a business that sells shared ownership or usage rights to a property or resource, allowing multiple clients to use it for specified time periods.
-
E.
mayor
A mayor is the elected head of a city or town government, responsible for providing leadership, implementing policies, and overseeing municipal services and administration.
- F. None of above. chosen
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_69a240778d288190815c0052ebbbcc91 |
completed | Feb. 28, 2026, 1:10 a.m. |
Created at: Feb. 28, 2026, 1:14 a.m.