Triple
T28225267
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | MBTA Red Line at Alewife Station |
E711568
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | subway station terminus |
C10600
|
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: subway station terminus Context triple: [MBTA Red Line at Alewife Station, instanceOf, subway station terminus]
-
A.
terminal station
chosen
A terminal station is a railway or transit station where a line or service ends, requiring trains or vehicles to reverse direction or terminate their routes.
-
B.
underground metro station
An underground metro station is a subterranean transit facility where passengers access, board, and disembark metro trains via platforms connected to the surface by tunnels, stairs, escalators, and elevators.
-
C.
tram station
A tram station is a designated stopping place along a tram line where passengers can safely board, alight, and sometimes transfer between tram services.
-
D.
rapid transit station
A rapid transit station is a designated facility where passengers board, alight, and transfer between high-frequency urban rail or metro services, typically featuring platforms, ticketing areas, and access to surrounding streets or other transport modes.
-
E.
subway station area
The subway station area is the spatial zone encompassing the station entrances, platforms, circulation paths, and adjacent public spaces where passengers access, wait for, and transfer between subway services.
- 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_69efb51dfb048190ada79b745c33b363 |
completed | April 27, 2026, 7:12 p.m. |
Created at: April 27, 2026, 10:49 p.m.