Triple

T8211535

Position	Surface form	Disambiguated ID	Type / Status
Subject	Ernest S. Marsh	`E191827`	entity
Predicate	instanceOf	`P0`	FINISHED
Object	narrow-gauge locomotive	`C3459`	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: narrow-gauge locomotive
Context triple: [Ernest S. Marsh, instanceOf, narrow-gauge locomotive]

A. railway locomotive chosen
A railway locomotive is a powered rail vehicle that provides the motive force to pull or push trains along railway tracks.
B. streamlined locomotive
A streamlined locomotive is a high-speed railway engine designed with smooth, aerodynamic contours to reduce air resistance and improve efficiency and performance.
C. locomotive works
A locomotive works is an industrial facility where locomotives are designed, manufactured, assembled, repaired, and maintained.
D. wagon train
A wagon train is a group of wagons traveling together, typically across long distances, for mutual support, protection, and resource sharing.
E. broad gauge
A broad gauge is a type of railway track gauge in which the distance between the inner faces of the rails is greater than the standard gauge, allowing for larger and more stable trains.
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_69ca82c8c054819087fedd9a5436b8a3`	completed	March 30, 2026, 2:03 p.m.

Created at: March 30, 2026, 5:44 p.m.