Triple
T20301916
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Green Line (MBTA) |
E505502
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | MBTA subway line |
C641
|
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 subway line Context triple: [Green Line (MBTA), instanceOf, MBTA subway line]
-
A.
MBTA service area
The MBTA service area is the geographic region in and around Greater Boston where the Massachusetts Bay Transportation Authority provides public transit services, including subway, bus, commuter rail, and ferry operations.
-
B.
MBTA Silver Line station
An MBTA Silver Line station is a designated stop or terminal along Boston’s Silver Line bus rapid transit routes, providing passenger access to boarding, alighting, and related transit services.
-
C.
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.
-
D.
MBTA facility
An MBTA facility is any physical property, structure, or site owned, leased, or operated by the Massachusetts Bay Transportation Authority that supports the provision, maintenance, or administration of its transit services.
-
E.
subway line
chosen
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_69e0b4b8ab648190906e18538c250148 |
completed | April 16, 2026, 10:06 a.m. |
Created at: April 16, 2026, 11:17 a.m.