Triple
T16194641
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BART Silicon Valley extension |
E393030
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | Bay Area Rapid Transit extension |
C24427
|
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: Bay Area Rapid Transit extension Context triple: [BART Silicon Valley extension, instanceOf, Bay Area Rapid Transit extension]
-
A.
Los Angeles Metro project
The Los Angeles Metro project is a large-scale public transportation initiative focused on expanding and improving the region’s rail and bus networks to enhance mobility, reduce congestion, and support sustainable urban growth across Los Angeles County.
-
B.
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.
-
C.
AC Transit division
An AC Transit division is a geographically defined operational facility where the Alameda-Contra Costa Transit District houses, maintains, and dispatches its bus fleet and personnel for service in a specific service area.
-
D.
subway line extension
chosen
A subway line extension is an added segment of track and stations that lengthens an existing subway route to serve new areas and increase transit capacity.
-
E.
West Coast Express station
A West Coast Express station is a designated passenger rail facility along the West Coast Express commuter line that provides boarding, alighting, and related services for regional train travelers.
- 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_69d87f1e49ac8190a311b54d32990576 |
completed | April 10, 2026, 4:39 a.m. |
Created at: April 10, 2026, 5:02 a.m.