Triple

T20896597
Position Surface form Disambiguated ID Type / Status
Subject Lake Diefenbaker E514553 entity
Predicate hasHydroelectricFacility P15311 FINISHED
Object Coteau Creek Hydroelectric Station — 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: Coteau Creek Hydroelectric Station | Statement: [Lake Diefenbaker, hasHydroelectricFacility, Coteau Creek Hydroelectric Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Coteau Creek Hydroelectric Station
Context triple: [Lake Diefenbaker, hasHydroelectricFacility, Coteau Creek Hydroelectric Station]
  • A. Barron Gorge Hydroelectric Power Station
    Barron Gorge Hydroelectric Power Station is a historic hydroelectric facility in Queensland, Australia, that harnesses the Barron River’s flow through Barron Gorge to generate renewable electricity.
  • B. Pullinque Hydroelectric Plant
    Pullinque Hydroelectric Plant is a hydroelectric power facility in southern Chile that generates electricity using water resources associated with Pullinque Lake.
  • C. Pine Portage Generating Station
    Pine Portage Generating Station is a hydroelectric power plant located on the Nipigon River in Ontario, Canada, that generates electricity by harnessing the river’s flow.
  • D. Bridgewater Hydroelectric Station
    Bridgewater Hydroelectric Station is a hydroelectric power facility located on Lake James in North Carolina, generating electricity by harnessing the lake’s water resources.
  • E. Donnells-Beardsley hydroelectric system
    The Donnells-Beardsley hydroelectric system is a hydroelectric power complex on California’s Stanislaus River that uses a series of dams, reservoirs, and powerhouses to generate electricity and support regional water management.
  • 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: Coteau Creek Hydroelectric Station
Target entity description: Coteau Creek Hydroelectric Station is a hydroelectric power plant in Saskatchewan, Canada, that generates electricity using water from Lake Diefenbaker.
  • A. Barron Gorge Hydroelectric Power Station
    Barron Gorge Hydroelectric Power Station is a historic hydroelectric facility in Queensland, Australia, that harnesses the Barron River’s flow through Barron Gorge to generate renewable electricity.
  • B. Pullinque Hydroelectric Plant
    Pullinque Hydroelectric Plant is a hydroelectric power facility in southern Chile that generates electricity using water resources associated with Pullinque Lake.
  • C. Pine Portage Generating Station
    Pine Portage Generating Station is a hydroelectric power plant located on the Nipigon River in Ontario, Canada, that generates electricity by harnessing the river’s flow.
  • D. Bridgewater Hydroelectric Station
    Bridgewater Hydroelectric Station is a hydroelectric power facility located on Lake James in North Carolina, generating electricity by harnessing the lake’s water resources.
  • E. Donnells-Beardsley hydroelectric system
    The Donnells-Beardsley hydroelectric system is a hydroelectric power complex on California’s Stanislaus River that uses a series of dams, reservoirs, and powerhouses to generate electricity and support regional water management.
  • 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_69e0b4f7ebe48190952a85547a0f31a1 completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6d062f26c81908d99d6a9d3b99604 completed April 21, 2026, 1:18 a.m.
Created at: April 16, 2026, 12:47 p.m.