Triple

T21228454

Position	Surface form	Disambiguated ID	Type / Status
Subject	PS-2 covered hopper	`E523142`	entity
Predicate	instanceOf	`P0`	FINISHED
Object	covered hopper freight car	`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: covered hopper freight car
Context triple: [PS-2 covered hopper, instanceOf, covered hopper freight car]

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. wagon train
A wagon train is a group of wagons traveling together, typically across long distances, for mutual support, protection, and resource sharing.
C. cargo vehicle
A cargo vehicle is a motorized or non-motorized transport unit designed primarily for carrying goods, materials, or freight rather than passengers.
D. tramcar type
A tramcar type is a classification of tram vehicles based on shared design, capacity, and operational characteristics used in urban rail transit systems.
E. cargo van
A cargo van is a box-shaped, enclosed vehicle designed primarily for transporting goods, equipment, or tools, offering ample interior space and minimal passenger seating.
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_69e0b512ad94819087942b2ed925185f`	completed	April 16, 2026, 10:08 a.m.

Created at: April 16, 2026, 3:44 p.m.