Triple

T17504994
Position Surface form Disambiguated ID Type / Status
Subject Rocky Reach Dam E426290 entity
Predicate operator P179 FINISHED
Object Chelan County Public Utility District — 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: Chelan County Public Utility District | Statement: [Rocky Reach Dam, operator, Chelan County Public Utility District]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chelan County Public Utility District
Context triple: [Rocky Reach Dam, operator, Chelan County Public Utility District]
  • A. Chelan County Public Utility District chosen
    Chelan County Public Utility District is a publicly owned utility in Washington State that generates and distributes electricity, including hydropower from facilities such as Rock Island Dam, as well as providing other public utility services to local residents.
  • B. Douglas County Public Utility District
    Douglas County Public Utility District is a publicly owned utility in Washington State that generates and distributes electricity, including power from the Wells Dam hydroelectric project, to customers in Douglas County.
  • C. Chelan County
    Chelan County is a county in central Washington State known for its mountainous terrain, outdoor recreation, and the city of Wenatchee.
  • D. Chelan, Washington
    Chelan, Washington is a small resort city in north-central Washington known for its location on the shores of Lake Chelan, a popular destination for boating, fishing, and wine tourism.
  • E. Walla Walla District
    Walla Walla District is a U.S. Army Corps of Engineers district in the Pacific Northwest responsible for managing dams, navigation, flood control, and related water resource projects along portions of the Snake and Columbia Rivers.
  • 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_69d889dd9164819087b1dc3c9240c870 completed April 10, 2026, 5:25 a.m.
NER Named-entity recognition batch_69e45214d44c8190b1bf04bf24ab8e81 completed April 19, 2026, 3:55 a.m.
Created at: April 10, 2026, 5:48 a.m.