Triple

T19511867
Position Surface form Disambiguated ID Type / Status
Subject Umpqua River estuary E488175 entity
Predicate partOf P40 FINISHED
Object Umpqua River watershed — 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 watershed
Context triple: [Umpqua River estuary, partOf, Umpqua River watershed]
  • A. 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.
  • 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. 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.
  • D. Calapooia River basin
    The Calapooia River basin is a watershed in western Oregon that historically formed the homeland of the Kalapuya people.
  • E. Owens River watershed
    The Owens River watershed is a major drainage basin in eastern California’s Sierra Nevada that collects mountain runoff, including streams like Bishop Creek, and channels it into the Owens River system.
  • 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.