Triple
T19711657
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Milton via Mattapan Line |
E473362
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | MBTA service area |
C42387
|
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 service area Context triple: [Milton via Mattapan Line, instanceOf, MBTA service area]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
MBTA Red Line extension project
The MBTA Red Line extension project is a planned expansion of Boston’s Red Line rapid transit service, extending rail infrastructure and stations to improve regional connectivity, capacity, and access to public transportation.
-
E.
METRO Green Line station
A METRO Green Line station is a designated stop along the METRO Green Line light rail system where passengers can board, alight, and transfer between trains and other modes of transit.
- 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_69d8e516dd048190a0b6c93ea3e71f58 |
completed | April 10, 2026, 11:55 a.m. |
Created at: April 10, 2026, 1:46 p.m.