Triple
T17174905
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | North Line extension of Red Line |
E416833
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | light rail line extension |
C12859
|
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: light rail line extension Context triple: [North Line extension of Red Line, instanceOf, light rail line extension]
-
A.
light rail expansion project
chosen
A light rail expansion project is a coordinated planning, design, and construction effort to extend an existing light rail transit system’s routes, capacity, and supporting infrastructure to serve additional areas and riders.
-
B.
subway line extension
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.
-
C.
light rail transit line
A light rail transit line is a fixed-route urban or suburban rail corridor using electrically powered, relatively low-capacity trains that operate on dedicated or semi-exclusive tracks to provide frequent, short- to medium-distance passenger service.
-
D.
diesel light rail line
A diesel light rail line is a passenger rail transit system that operates lighter, typically more frequent trains powered by diesel engines on dedicated or shared tracks, serving urban or regional corridors.
-
E.
rapid transit expansion project
A rapid transit expansion project is a coordinated planning, design, and construction effort to extend or enhance high-capacity public transportation networks to improve urban mobility and accommodate future demand.
- 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_69d886d5f34c8190b24564dfaa63f3fb |
completed | April 10, 2026, 5:12 a.m. |
Created at: April 10, 2026, 5:37 a.m.