Triple

T5131911

Position	Surface form	Disambiguated ID	Type / Status
Subject	Willapa Bay	`E115720`	entity
Predicate	drainageBasin	`P1559`	FINISHED
Object	Willapa River watershed	`E485749`	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: Willapa River watershed
Context triple: [Willapa Bay, drainageBasin, Willapa River watershed]

A. Willapa River chosen
The Willapa River is a coastal river in southwestern Washington State that flows into Willapa Bay near the town of South Bend.
B. Tillamook Bay watershed
The Tillamook Bay watershed is the coastal drainage basin in northwestern Oregon that collects water from surrounding rivers and streams and feeds it into Tillamook Bay.
C. Quillayute River basin
The Quillayute River basin is a watershed on Washington State’s Olympic Peninsula that collects runoff from several rivers, including the Sol Duc, before emptying into the Pacific Ocean.
D. Chehalis River
The Chehalis River is a major river in southwestern Washington State that flows through forested valleys and agricultural lands before emptying into Grays Harbor on the Pacific coast.
E. Nisqually River
The Nisqually River is a river in western Washington State that flows from the glaciers of Mount Rainier to Puget Sound, supporting rich ecosystems and significant tribal and local communities along its course.
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_69bd444426bc819099ccd23f141e22aa`	elicitation	completed
NER	`batch_69bd782904788190b544540483915c0e`	ner	completed
NED1	`batch_69becfd90a848190a1c78063a437cf3c`	ned_source_triple	completed

Created at: March 20, 2026, 1:42 p.m.