Triple

T20940747
Position Surface form Disambiguated ID Type / Status
Subject Dunsmuir, California E515712 entity
Predicate watercourse P415 FINISHED
Object Upper Sacramento River — NE NERFINISHED

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: Upper Sacramento River | Statement: [Dunsmuir, California, watercourse, Upper Sacramento River]

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: Upper Sacramento River
Context triple: [Dunsmuir, California, watercourse, Upper Sacramento River]
  • A. Sacramento River chosen
    The Sacramento River is the longest river entirely within California, flowing through the northern part of the state and serving as a major source of water, transportation, and ecological habitat.
  • B. San Joaquin River
    The San Joaquin River is a major river in central California that flows through the San Joaquin Valley and supports extensive agricultural, ecological, and water supply systems before joining the Sacramento–San Joaquin Delta.
  • C. South Fork American River
    The South Fork American River is a major tributary of California’s American River in the Sierra Nevada foothills, renowned for its historical role in the Gold Rush and its popular whitewater rafting runs.
  • D. Middle Fork American River
    The Middle Fork American River is a popular whitewater rafting and kayaking destination in California’s Sierra Nevada, known for its scenic canyon, challenging rapids, and historic gold-mining sites.
  • E. Little Sacramento River
    The Little Sacramento River is a tributary stream in Northern California that feeds into Shasta Lake as part of the upper Sacramento River watershed.
  • 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_69e0b4fc13408190b06868df03c5c29b elicitation completed
NER batch_69e6f955f0148190ae42278ad5c0f363 ner completed
Created at: April 16, 2026, 12:50 p.m.