Triple

T20960097
Position Surface form Disambiguated ID Type / Status
Subject Merwin Dam E516215 entity
Predicate partOf P40 FINISHED
Object Lewis River hydroelectric project — 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: Lewis River hydroelectric project | Statement: [Merwin Dam, partOf, Lewis River hydroelectric project]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lewis River hydroelectric project
Context triple: [Merwin Dam, partOf, Lewis River hydroelectric project]
  • A. Lewis River hydroelectric system chosen
    The Lewis River hydroelectric system is a network of dams and power-generating facilities on Washington’s Lewis River that provides hydroelectric power, flood control, and recreational opportunities.
  • 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. Clackamas River Hydroelectric Project
    The Clackamas River Hydroelectric Project is a hydroelectric power system on Oregon’s Clackamas River that includes multiple dams and facilities generating renewable electricity.
  • D. 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.
  • E. Klamath River Hydroelectric Project
    The Klamath River Hydroelectric Project is a system of dams and related facilities on the Klamath River in Oregon and California that historically generated hydroelectric power and has become a focal point of major river restoration and dam removal efforts.
  • 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_69e0b4fde6c48190af1398e7e734629e completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6fb6e50988190a564d2aaf1a9bc54 completed April 21, 2026, 4:22 a.m.
Created at: April 16, 2026, 1:30 p.m.