Triple
T19270592
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Midway Airport branch of Orange Line |
E481912
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | Chicago Transit Authority rail line segment |
C40386
|
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: Chicago Transit Authority rail line segment Context triple: [Midway Airport branch of Orange Line, instanceOf, Chicago Transit Authority rail line segment]
-
A.
Chicago Transit Authority facility
A Chicago Transit Authority facility is any physical property, such as stations, garages, rail yards, offices, or maintenance shops, owned or operated by the CTA to support the provision, operation, and administration of public transit services in the Chicago metropolitan area.
-
B.
Chicago Transit Authority service
Chicago Transit Authority service represents the public transportation operations, including bus and rail routes, schedules, and related customer services, provided by the CTA within the Chicago metropolitan area.
-
C.
Chicago 'L' branch
chosen
A Chicago 'L' branch is a specific route segment of the Chicago elevated rapid transit system that diverges from a main line to serve particular neighborhoods or corridors.
-
D.
Chicago 'L' service
Chicago 'L' service is the rapid transit system of Chicago, consisting of elevated, subway, and at-grade rail lines that provide frequent urban and suburban passenger transportation across the metropolitan area.
-
E.
Chicago Transit Authority bus route
A Chicago Transit Authority bus route is a designated public transportation line that operates scheduled bus services along a specific path within the Chicago metropolitan area, connecting various neighborhoods, landmarks, and transit hubs.
- 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_69d8e8ce54cc8190998418ff1f66ef28 |
completed | April 10, 2026, 12:10 p.m. |
Created at: April 10, 2026, 1:29 p.m.