Triple
T36005163
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | R21 series |
E1041244
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | steel subway car |
C63369
|
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: steel subway car Context triple: [R21 series, instanceOf, steel subway car]
-
A.
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.
-
B.
monorail rolling stock
Monorail rolling stock comprises the specialized rail vehicles designed to operate on a single-rail guideway, including powered trains and unpowered cars used for passenger or freight transport.
-
C.
streetcar system
A streetcar system is an urban public transit network that operates rail vehicles on fixed tracks, typically embedded in city streets, to transport passengers along defined routes.
-
D.
Tokyo Metro rolling stock
Tokyo Metro rolling stock comprises the various electric multiple unit train types operated by Tokyo Metro on its subway lines, designed to meet specific line requirements, capacity needs, and technological standards.
-
E.
Chicago "L" rolling stock
Chicago "L" rolling stock comprises the various types of railcars specifically designed and used for passenger service on Chicago's elevated and subway rapid transit system.
- 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_69f76e2a02208190aedd1f9025a8b300 |
completed | May 3, 2026, 3:47 p.m. |
Created at: May 3, 2026, 4:07 p.m.