Triple

T9435230
Position Surface form Disambiguated ID Type / Status
Subject Okanogan-Wenatchee National Forest E227487 entity
Predicate contains P35 FINISHED
Object Yakima River headwaters E171025 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Yakima River headwaters | Statement: [Okanogan-Wenatchee National Forest, contains, Yakima River headwaters]

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: Yakima River headwaters
Context triple: [Okanogan-Wenatchee National Forest, contains, Yakima River headwaters]
  • A. Feather River headwaters
    The Feather River headwaters are the high-elevation source streams and wetlands in the mountains of Northern California that feed the Feather River, an important tributary of the Sacramento River and key component of the state’s water supply.
  • B. Kaweah River headwaters
    The Kaweah River headwaters are the high-elevation source streams of the Kaweah River in the southern Sierra Nevada of California, originating in rugged alpine terrain within and around Sequoia National Park.
  • C. Sacramento River headwaters
    The Sacramento River headwaters are the spring-fed sources of California’s largest river, emerging from volcanic terrain in the mountains of Northern California near Mount Shasta.
  • D. Wenatchee River
    The Wenatchee River is a major river in Washington State known for its scenic canyon landscapes, whitewater recreation, and role as a key tributary of the Columbia River.
  • E. Yakima River chosen
    The Yakima River is a significant river in south-central Washington State that supports extensive irrigation agriculture and diverse ecosystems 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_69ca8437a7ac81908651de48f2d2141d elicitation completed
NER batch_69cd7e64109081908222f590928bc572 ner completed
NED1 batch_69d1104a002481909ca805893bac61c6 ned_source_triple completed
Created at: March 30, 2026, 7:50 p.m.