Triple
T18248312
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CTA 2200-series railcars |
E437012
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | Chicago "L" rolling stock |
C39942
|
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 "L" rolling stock Context triple: [CTA 2200-series railcars, instanceOf, Chicago "L" rolling stock]
-
A.
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.
-
B.
Chicago 'L' station stop
A Chicago 'L' station stop is a designated passenger boarding and alighting point along the Chicago Transit Authority’s elevated and subway rail network, typically featuring platforms, signage, fare controls, and connections to other transit services.
-
C.
New York City Subway rolling stock class
A New York City Subway rolling stock class is a standardized group of subway cars sharing common design, technical specifications, and operational characteristics used on the NYC subway system.
-
D.
South Shore Line station
A South Shore Line station is a designated stop along the South Shore Line commuter rail system where passengers can board, alight, and transfer between trains and other modes of transportation.
-
E.
former Chicago 'L' station
A former Chicago 'L' station is a decommissioned elevated rapid transit stop in Chicago that once served passengers on the city's 'L' system but has since been closed, removed, or repurposed.
- 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_69d8b91104e08190a8241f7d260a5162 |
completed | April 10, 2026, 8:47 a.m. |
Created at: April 10, 2026, 10:33 a.m.