Triple

T19511848
Position Surface form Disambiguated ID Type / Status
Subject Umpqua River estuary E488175 entity
Predicate mouthOf P1008 FINISHED
Object Umpqua River — NE NERFINISHED

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: Umpqua River
Context triple: [Umpqua River estuary, mouthOf, Umpqua River]
  • A. Umpqua River chosen
    The Umpqua River is a major river in southwestern Oregon known for its scenic canyons, rich salmon and steelhead fisheries, and importance to local recreation and ecosystems.
  • B. North Umpqua River
    The North Umpqua River is a renowned river in southwestern Oregon celebrated for its clear waters, dramatic forested canyons, and exceptional fishing and whitewater recreation.
  • C. South Umpqua River
    The South Umpqua River is a major river in southwestern Oregon that flows through the Cascade Range and the city of Roseburg before joining the North Umpqua River to form the main Umpqua River.
  • D. Upper Umpqua
    Upper Umpqua is an extinct Athabaskan (Na-Dene) language formerly spoken by the Upper Umpqua people in southwestern Oregon, USA.
  • E. Lower Umpqua
    Lower Umpqua are an Indigenous people of the central Oregon coast, traditionally speakers of a dialect of the Siuslaw language and part of the broader cultural groups of the Pacific Northwest.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69d8e8da8bec819081f400199491ccc3 elicitation completed
NER batch_69e6359908fc8190bd05f26d4271d268 ner completed
Created at: April 10, 2026, 1:40 p.m.