Triple

T5157678
Position Surface form Disambiguated ID Type / Status
Subject Merced County E116353 entity
Predicate namedAfter P63 FINISHED
Object Merced River E25327 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: Merced River | Statement: [Merced County, namedAfter, Merced 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: Merced River
Context triple: [Merced County, namedAfter, Merced River]
  • A. Merced River chosen
    The Merced River is a major Sierra Nevada waterway in California renowned for carving Yosemite Valley and providing iconic scenic, recreational, and ecological value within and beyond Yosemite National Park.
  • B. Fresno River
    The Fresno River is a waterway in central California that flows through the Sierra Nevada foothills and the San Joaquin Valley, contributing to the region’s agriculture and lending its name to Fresno County.
  • C. Feather River
    The Feather River is a major tributary of the Sacramento River in Northern California, known for its extensive role in the state’s water supply, hydroelectric power generation, and flood control.
  • D. Kaweah River
    The Kaweah River is a Sierra Nevada waterway in California that flows through Sequoia National Park and the foothills near the town of Three Rivers before feeding into Lake Kaweah.
  • E. Cosumnes River
    The Cosumnes River is a relatively free-flowing river in Northern California known for its diverse riparian habitats and role in supporting regional wildlife and recreation.
  • 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_69bd445d94788190b72e2cc563120995 elicitation completed
NER batch_69bd7902fbe48190abb58cb0b2b2b62d ner completed
NED1 batch_69c20ce295f081909046cbc278ee6183 ned_source_triple completed
Created at: March 20, 2026, 1:44 p.m.