Triple
T778648
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Orange Line bridge near Wellington |
E16446
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | MBTA infrastructure |
C2489
|
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: MBTA infrastructure Context triple: [MBTA Orange Line bridge near Wellington, instanceOf, MBTA infrastructure]
-
A.
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.
-
B.
public transportation infrastructure
chosen
Public transportation infrastructure encompasses the physical and organizational systems—such as buses, trains, stations, tracks, and supporting facilities—that enable the efficient movement of people via shared transit services.
-
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.
rail transit
Rail transit is a public transportation system that moves passengers or freight along fixed steel tracks using trains, subways, trams, or light rail vehicles, typically in urban or intercity corridors.
-
E.
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.
- 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_69a4936ad1fc81908f190208059ccf78 |
completed | March 1, 2026, 7:28 p.m. |
Created at: March 1, 2026, 7:37 p.m.