Triple

T17505033
Position Surface form Disambiguated ID Type / Status
Subject Rocky Reach Dam E426290 entity
Predicate managedBy P86 FINISHED
Object Chelan PUD Hydro Operations — NE NERFINISHED

How this triple was built (3 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 PUD Hydro Operations | Statement: [Rocky Reach Dam, managedBy, Chelan PUD Hydro Operations]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Chelan PUD Hydro Operations
Context triple: [Rocky Reach Dam, managedBy, Chelan PUD Hydro Operations]
  • A. Narrows Hydroelectric Plant
    The Narrows Hydroelectric Plant is a hydroelectric power station that generates electricity using water impounded by Narrows Dam.
  • B. Skagit River Hydroelectric Project
    The Skagit River Hydroelectric Project is a major hydroelectric power system in Washington State that supplies electricity to the Seattle area through a series of dams and reservoirs on the Skagit River.
  • C. Cushman Hydroelectric Project
    The Cushman Hydroelectric Project is a hydroelectric power generation system in Washington State that uses Lake Cushman and associated dams and facilities to produce electricity.
  • D. 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.
  • E. Pullinque Hydroelectric Plant
    Pullinque Hydroelectric Plant is a hydroelectric power facility in southern Chile that generates electricity using water resources associated with Pullinque Lake.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Chelan PUD Hydro Operations
Target entity description: Chelan PUD Hydro Operations is the division of Chelan County Public Utility District responsible for operating and maintaining its hydroelectric facilities and related power generation assets.
  • A. Narrows Hydroelectric Plant
    The Narrows Hydroelectric Plant is a hydroelectric power station that generates electricity using water impounded by Narrows Dam.
  • B. Skagit River Hydroelectric Project
    The Skagit River Hydroelectric Project is a major hydroelectric power system in Washington State that supplies electricity to the Seattle area through a series of dams and reservoirs on the Skagit River.
  • C. Cushman Hydroelectric Project
    The Cushman Hydroelectric Project is a hydroelectric power generation system in Washington State that uses Lake Cushman and associated dams and facilities to produce electricity.
  • D. 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.
  • E. Pullinque Hydroelectric Plant
    Pullinque Hydroelectric Plant is a hydroelectric power facility in southern Chile that generates electricity using water resources associated with Pullinque Lake.
  • F. None of above. chosen

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.