Triple

T14306740
Position Surface form Disambiguated ID Type / Status
Subject Oak Grove Dam E354716 entity
Predicate partOf P40 FINISHED
Object Clackamas River hydropower system E1091914 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: Clackamas River hydropower system | Statement: [Oak Grove Dam, partOf, Clackamas River hydropower system]

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: Clackamas River hydropower system
Context triple: [Oak Grove Dam, partOf, Clackamas River hydropower system]
  • A. Clackamas River Hydroelectric Project chosen
    The Clackamas River Hydroelectric Project is a hydroelectric power system on Oregon’s Clackamas River that includes multiple dams and facilities generating renewable electricity.
  • B. Columbia River hydropower system
    The Columbia River hydropower system is an extensive network of dams and generating facilities that provides a major share of the Pacific Northwest’s electricity while also supporting irrigation, navigation, and flood control.
  • C. Mokelumne River Project (PG&E hydroelectric system)
    The Mokelumne River Project is a Pacific Gas and Electric Company hydroelectric system that harnesses the Mokelumne River through dams, reservoirs, and powerhouses to generate electricity and provide water storage in California.
  • D. Snake River hydropower system
    The Snake River hydropower system is a network of dams and related infrastructure along the Snake River that generates hydroelectric power, supports irrigation, and influences regional water management and ecosystems in the Pacific Northwest.
  • E. Deschutes Project
    The Deschutes Project is a U.S. Bureau of Reclamation irrigation and water management development in central Oregon that supplies water for agriculture, municipalities, and wildlife habitat along the Deschutes River basin.
  • 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_69d8278ed42c8190b9f882dcce611347 elicitation completed
NER batch_69de85b156b0819083f2bd319deed1b6 ner completed
NED1 batch_69fd4684e2648190b46328252ac9d51b ned_source_triple completed
Created at: April 10, 2026, 1:12 a.m.