Triple
T7622518
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Fitchburg Line stations |
E172534
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | commuter rail stations |
C374
|
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: commuter rail stations Context triple: [Fitchburg Line stations, instanceOf, commuter rail stations]
-
A.
commuter rail station
chosen
A commuter rail station is a designated facility where passengers board and alight regional trains that connect suburbs or outlying areas with urban centers, typically offering platforms, ticketing, and basic passenger amenities.
-
B.
commuter rail infrastructure
Commuter rail infrastructure comprises the physical and operational systems—such as tracks, stations, signaling, power, and maintenance facilities—designed to support frequent, reliable passenger train service between suburbs and urban centers.
-
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.
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.
light-rail station
A light-rail station is a designated facility where light-rail vehicles stop to allow passengers to board, alight, and transfer between services, typically featuring platforms, shelters, signage, and ticketing amenities.
- 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_69c699506b308190826894dab1d9ea86 |
completed | March 27, 2026, 2:50 p.m. |
Created at: March 27, 2026, 3:56 p.m.