Triple
T15582581
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pennsylvania Railroad freight cars |
E374536
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | railroad rolling stock |
C8948
|
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: railroad rolling stock Context triple: [Pennsylvania Railroad freight cars, instanceOf, railroad rolling stock]
-
A.
rolling stock
chosen
Rolling stock refers to all the vehicles that move on a railway, including locomotives, passenger coaches, freight wagons, and maintenance units.
-
B.
railroad rolling stock identifier
A railroad rolling stock identifier is a unique code or marking assigned to each rail vehicle to distinguish it from others for tracking, operations, and maintenance purposes.
-
C.
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.
-
D.
railway locomotive
A railway locomotive is a powered rail vehicle that provides the motive force to pull or push trains along railway tracks.
-
E.
Amtrak rolling stock
Amtrak rolling stock comprises the locomotives, passenger cars, and specialized rail vehicles owned or operated by Amtrak for intercity and regional passenger rail service in the United States.
- 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_69d85ccd575081908909b71a3f3e3a61 |
completed | April 10, 2026, 2:13 a.m. |
Created at: April 10, 2026, 4:11 a.m.