Triple

T16504559

Position	Surface form	Disambiguated ID	Type / Status
Subject	Yakama Indian Reservation	`E400889`	entity
Predicate	borderedBy	`P224`	FINISHED
Object	Columbia River	`E12075`	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: Columbia River
Context triple: [Yakama Indian Reservation, borderedBy, Columbia River]

A. Columbia River chosen
The Columbia River is a major river of the Pacific Northwest that forms much of the border between Oregon and Washington and is vital for hydroelectric power, transportation, and regional ecosystems.
B. Lewis and Clark River
The Lewis and Clark River is a small coastal river in northwestern Oregon that flows through forested terrain into the Youngs River near Astoria, historically associated with the Lewis and Clark Expedition.
C. Columbia River Basin
The Columbia River Basin is a vast watershed in the Pacific Northwest that drains portions of seven U.S. states and British Columbia into the Columbia River, supporting major ecosystems, agriculture, and hydroelectric power.
D. Green River
The Green River is a mountain river in British Columbia, Canada, known for flowing near the Fitzsimmons Range and through the Whistler area.
E. Green River
The Green River is a major tributary of the Colorado River that flows through Wyoming, Utah, and Colorado, carving deep canyons and shaping much of the Colorado Plateau’s dramatic landscape.
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_69d88381f6148190819958a038be990e`	elicitation	completed
NER	`batch_69e32e5100e48190a623d6ee2fefb87e`	ner	completed
NED1	`batch_6a00580b94c88190a3330791e505fd6a`	ned_source_triple	completed

Created at: April 10, 2026, 5:14 a.m.