Triple

T18126210
Position Surface form Disambiguated ID Type / Status
Subject Duncan Dam E433880 entity
Predicate isComponentOf P5722 FINISHED
Object Columbia River Treaty Canadian storage dams — NE NERFINISHED

How this triple was built (2 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: Columbia River Treaty Canadian storage dams | Statement: [Duncan Dam, isComponentOf, Columbia River Treaty Canadian storage dams]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Columbia River Treaty Canadian storage dams
Context triple: [Duncan Dam, isComponentOf, Columbia River Treaty Canadian storage dams]
  • A. Columbia River Treaty chosen
    The Columbia River Treaty is a landmark 1964 agreement between the United States and Canada that coordinates hydropower generation and flood control in the Columbia River Basin.
  • B. Kemano hydroelectric project
    The Kemano hydroelectric project is a large-scale power generation facility in British Columbia, Canada, built primarily to supply electricity to the Alcan aluminum smelter in Kitimat by harnessing diverted river flows through extensive tunnels and dams.
  • C. 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.
  • D. Columbia Basin Project
    The Columbia Basin Project is a large-scale irrigation and hydroelectric development in central Washington State that distributes water and power from the Grand Coulee Dam to support agriculture, industry, and communities across the region.
  • E. Columbia–Snake River lock system
    The Columbia–Snake River lock system is a series of navigation locks and dams on the Columbia and Snake Rivers that enables barge traffic deep into the interior Pacific Northwest, supporting regional commerce, irrigation, and hydropower generation.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d8b909e8cc81908df4cc2b8ea6d11f completed April 10, 2026, 8:47 a.m.
NER Named-entity recognition batch_69e4ddee1efc8190b04324b98de5c9d0 completed April 19, 2026, 1:51 p.m.
Created at: April 10, 2026, 10:29 a.m.