Triple

T16836385

Position	Surface form	Disambiguated ID	Type / Status
Subject	Southern Region of British Railways	`E409292`	entity
Predicate	partOf	`P40`	FINISHED
Object	British Railways	`E15757`	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: British Railways
Context triple: [Southern Region of British Railways, partOf, British Railways]

A. British Rail chosen
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.
B. Anglia Railways
Anglia Railways was a former British train operating company that ran passenger rail services in East Anglia following the privatisation of UK railways.
C. London, Midland and Scottish Railway
The London, Midland and Scottish Railway was a major British railway company formed in 1923 that operated an extensive network across England, Scotland, and Wales until nationalisation in 1948.
D. Southern Railway (UK)
Southern Railway (UK) was a major British railway company formed in 1923 that operated routes in southern England, including busy commuter and coastal lines, until nationalisation in 1948.
E. British Rail Engineering Limited
British Rail Engineering Limited was the former engineering subsidiary of British Rail, responsible for designing, building, and maintaining much of the UK’s rolling stock and railway equipment.
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_69d883952b048190887740a980b712ed`	elicitation	completed
NER	`batch_69e3b34d49d08190aa62f05d67244584`	ner	completed
NED1	`batch_6a00bb15c9f48190a4d73bb08a15beb4`	ned_source_triple	completed

Created at: April 10, 2026, 5:23 a.m.