Triple

T7546378

Position	Surface form	Disambiguated ID	Type / Status
Subject	Elburn station	`E178413`	entity
Predicate	servedByLine	`P1293`	FINISHED
Object	Union Pacific West Line	`E199279`	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: Union Pacific West Line
Context triple: [Elburn station, servedByLine, Union Pacific West Line]

A. Union Pacific West Line chosen
The Union Pacific West Line is a commuter rail route in the Chicago metropolitan area that runs between downtown Chicago and western suburbs, providing daily passenger service as part of the Metra system.
B. Union Pacific North Line
The Union Pacific North Line is a Metra commuter rail line in the Chicago metropolitan area that runs north from downtown Chicago through suburbs along Lake Michigan into Kenosha, Wisconsin.
C. Union Pacific Northwest Line
The Union Pacific Northwest Line is a commuter rail route serving Chicago and its northwestern suburbs as part of the Metra rail system.
D. Union Pacific Valley Subdivision
The Union Pacific Valley Subdivision is a railroad line operated by Union Pacific that serves as a key freight corridor within its regional rail network.
E. Union Pacific Railroad Coast Subdivision
The Union Pacific Railroad Coast Subdivision is a key rail corridor in California that carries both freight and commuter services, including trains operated by the Altamont Corridor Express.
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_69c69f2cbe08819088f9eb0c03ef529b`	elicitation	completed
NER	`batch_69c6f89963ec8190ae7b8a2b9508c074`	ner	completed
NED1	`batch_69c856bb83b88190947c0efed84b891a`	ned_source_triple	completed

Created at: March 27, 2026, 3:49 p.m.