Triple
T14325932
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Red Line 1500/1600 series cars |
E355214
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | subway car series |
C11648
|
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: subway car series Context triple: [MBTA Red Line 1500/1600 series cars, instanceOf, subway car series]
-
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.
subway line
A subway line is a fixed route within an urban rail transit system, consisting of a sequence of stations and tracks over which trains operate according to a scheduled service.
-
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.
Group B car
A Group B car is a high-performance rally vehicle built to the FIA’s 1980s Group B regulations, characterized by extreme power, advanced technology, and minimal restrictions that led to both legendary speed and significant safety concerns.
-
E.
metro train
chosen
A metro train is an electrically powered, multi-car rail vehicle designed to transport large numbers of passengers quickly and frequently along dedicated urban and suburban transit lines.
- 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_69d8278fa2108190bc0d0e7939c1eb03 |
completed | April 9, 2026, 10:26 p.m. |
Created at: April 10, 2026, 1:13 a.m.