Triple

T21132705

Position	Surface form	Disambiguated ID	Type / Status
Subject	OTMR	`E520728`	entity
Predicate	instanceOf	`P0`	FINISHED
Object	on-train data recorder	`C3558`	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: on-train data recorder
Context triple: [OTMR, instanceOf, on-train data recorder]

A. train control system chosen
A train control system is a coordinated set of hardware and software components that monitor, regulate, and automate train movements to ensure safe, efficient, and reliable railway operations.
B. named train
A named train is a specific passenger rail service distinguished by a unique name, branding, and often a consistent route and schedule.
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. rail
A rail is a long, rigid bar or track, typically made of metal or wood, used to guide, support, or confine movement along a fixed path.
E. rail
A rail is a long, continuous bar or track that provides guidance, support, or a running surface for vehicles, objects, or people in transportation or structural systems.
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_69e0b50b53048190ae34e8abbe3c5ada`	completed	April 16, 2026, 10:08 a.m.

Created at: April 16, 2026, 2:56 p.m.