Triple

T20728353
Position Surface form Disambiguated ID Type / Status
Subject Monroe Street Dam E509498 entity
Predicate builtBy P972 FINISHED
Object Washington Water Power Company — 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: Washington Water Power Company | Statement: [Monroe Street Dam, builtBy, Washington Water Power Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Washington Water Power Company
Context triple: [Monroe Street Dam, builtBy, Washington Water Power Company]
  • A. Columbia Power Corporation
    Columbia Power Corporation is a British Columbia Crown corporation that develops, owns, and operates hydroelectric power projects in the Columbia River Basin.
  • B. Portland General Electric
    Portland General Electric is a publicly traded electric utility company based in Oregon that generates, transmits, and distributes electricity to customers in the Portland metropolitan area and surrounding regions.
  • C. Great Western Power Company
    Great Western Power Company was an early 20th-century California electric utility company known for developing hydroelectric projects and infrastructure in the Sierra Nevada region.
  • D. New England Power Company
    New England Power Company is a regional electric utility company in the northeastern United States that has owned and operated various power generation facilities, including the Salem Harbor Power Station.
  • E. Middle West Utilities Company
    Middle West Utilities Company was a major early 20th-century American electric utility holding company associated with the expansion and subsequent collapse of Samuel Insull’s vast utility empire.
  • 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: Washington Water Power Company
Target entity description: Washington Water Power Company is a historic electric utility based in Spokane, Washington, known for developing hydroelectric power projects in the Pacific Northwest.
  • A. Columbia Power Corporation
    Columbia Power Corporation is a British Columbia Crown corporation that develops, owns, and operates hydroelectric power projects in the Columbia River Basin.
  • B. Portland General Electric
    Portland General Electric is a publicly traded electric utility company based in Oregon that generates, transmits, and distributes electricity to customers in the Portland metropolitan area and surrounding regions.
  • C. Great Western Power Company
    Great Western Power Company was an early 20th-century California electric utility company known for developing hydroelectric projects and infrastructure in the Sierra Nevada region.
  • D. New England Power Company
    New England Power Company is a regional electric utility company in the northeastern United States that has owned and operated various power generation facilities, including the Salem Harbor Power Station.
  • E. Middle West Utilities Company
    Middle West Utilities Company was a major early 20th-century American electric utility holding company associated with the expansion and subsequent collapse of Samuel Insull’s vast utility empire.
  • 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_69e0b4c4cc648190b45fda6e2b20af56 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c1e9ed708190ad8e371646630fea completed April 21, 2026, 12:16 a.m.
Created at: April 16, 2026, 12:30 p.m.