Triple
T30970317
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Line 12 |
E789076
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | MBTA internal line code |
C57368
|
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 internal line code Context triple: [MBTA Line 12, instanceOf, MBTA internal line code]
-
A.
Metra line code
A Metra line code is a standardized identifier used to uniquely represent and reference a specific Metra commuter rail line within schedules, systems, and operations.
-
B.
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.
-
C.
MBTA program
An MBTA program is an organized set of initiatives, services, or projects managed by the Massachusetts Bay Transportation Authority to plan, operate, improve, or support public transit in the Greater Boston area.
-
D.
MBTA Green Line service
MBTA Green Line service is a light rail transit line in the Boston metropolitan area that operates multiple branches, connecting downtown Boston with surrounding neighborhoods and suburbs via surface and subway tracks.
-
E.
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.
- 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_69f224c3a6b48190951add9b7b7f0271 |
completed | April 29, 2026, 3:33 p.m. |
Created at: April 29, 2026, 8:54 p.m.