Triple
T271708
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | B Loop |
E5647
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | Portland Streetcar line |
C910
|
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: Portland Streetcar line Context triple: [B Loop, instanceOf, Portland Streetcar line]
-
A.
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.
-
B.
streetcar system
chosen
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.
-
C.
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.
-
D.
MBTA Commuter Rail station
An MBTA Commuter Rail station is a designated passenger facility along the Massachusetts Bay Transportation Authority’s regional rail network where trains stop to allow riders to board, alight, and connect with other modes of transit.
-
E.
rapid transit line
A rapid transit line is a high-capacity, high-frequency urban rail route operating on an exclusive or mostly separated right-of-way to provide fast, reliable public transportation between key areas of a city or metropolitan region.
- 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_69a25853594c8190b05ec3a586ec88bf |
completed | Feb. 28, 2026, 2:52 a.m. |
Created at: Feb. 28, 2026, 2:57 a.m.