Triple
T9668405
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Highland branch |
E233763
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | railway line in Massachusetts |
C3787
|
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: railway line in Massachusetts Context triple: [Highland branch, instanceOf, railway line in Massachusetts]
-
A.
railroad line
A railroad line is a fixed route consisting of tracks and associated infrastructure over which trains operate to transport passengers or freight between locations.
-
B.
railway line
chosen
A railway line is a fixed transportation route consisting of tracks, signaling, and related infrastructure along which trains operate between defined locations.
-
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.
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.
- 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_69ca848d3b6c8190ae98ea554dea58df |
completed | March 30, 2026, 2:11 p.m. |
Created at: March 30, 2026, 8:15 p.m.