Triple

T10712496

Position	Surface form	Disambiguated ID	Type / Status
Subject	Waterloo to Exeter Line	`E252573`	entity
Predicate	railNetwork	`P522`	FINISHED
Object	National Rail (Great Britain)	`E2215`	NE FINISHED

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: National Rail (Great Britain)
Context triple: [Waterloo to Exeter Line, railNetwork, National Rail (Great Britain)]

A. National Rail chosen
National Rail is the collective name for the passenger rail services and network in Great Britain, encompassing most regional and intercity train operations outside of urban metro systems.
B. British Rail
British Rail was the state-owned company that operated most of the railway services in Great Britain from the late 1940s until the privatization of the rail network in the 1990s.
C. National Rail Enquiries
National Rail Enquiries is the official information service for Britain’s National Rail network, providing timetables, fares, and real-time journey updates to passengers.
D. Network Rail
Network Rail is the owner and infrastructure manager of most of the railway network in Great Britain, responsible for tracks, signals, major stations, and related assets.
E. Northern Rail
Northern Rail is a British train operating company providing regional and commuter rail services across Northern England.
F. None of above.
G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage	Batch ID	Job type	Status
creating	`batch_69d6aa5cbabc8190973e683950d89faf`	elicitation	completed
NER	`batch_69d6fe533ec081909eafab85f6f6d6b9`	ner	completed
NED1	`batch_69dbd9cef8a48190a0ec4a27d5702e73`	ned_source_triple	completed

Created at: April 8, 2026, 9:13 p.m.