Triple
T2952707
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | PCC streetcar |
E79857
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | electric tram design |
C9233
|
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: electric tram design Context triple: [PCC streetcar, instanceOf, electric tram design]
-
A.
tramcar type
chosen
A tramcar type is a classification of tram vehicles based on shared design, capacity, and operational characteristics used in urban rail transit systems.
-
B.
light rail vehicle
A light rail vehicle is a rail-based transit vehicle designed for urban and suburban passenger service, typically operating on dedicated or shared tracks with frequent stops and moderate capacity.
-
C.
third rail electrification system
A third rail electrification system is a method of providing electric power to trains via an additional rail mounted alongside or between the running rails, from which current is collected by contact shoes on the train.
-
D.
elevated railway
An elevated railway is a rail transport system in which tracks and stations are built on raised structures above ground level, typically supported by columns or girders, to avoid interference with street traffic.
-
E.
rail vehicle
A rail vehicle is a wheeled conveyance designed to operate on railway tracks for transporting passengers, freight, or performing specialized rail-related tasks.
- 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_69ad8b1276588190a374a0b12e0f7bdf |
completed | March 8, 2026, 2:43 p.m. |
Created at: March 8, 2026, 2:57 p.m.