Triple

T22860363
Position Surface form Disambiguated ID Type / Status
Subject Kelani River E566900 entity
Predicate hasHydropowerPlant P15311 FINISHED
Object Canyon Hydropower 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: Canyon Hydropower Station | Statement: [Kelani River, hasHydropowerPlant, Canyon Hydropower Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Canyon Hydropower Station
Context triple: [Kelani River, hasHydropowerPlant, Canyon Hydropower 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. Jefferies Hydroelectric Station
    Jefferies Hydroelectric Station is a hydroelectric power facility in South Carolina that generates electricity using water from Lake Moultrie as part of the Santee Cooper power system.
  • C. Nunn hydroelectric plant
    The Nunn hydroelectric plant is an early hydroelectric power station in Utah notable for pioneering long-distance high-voltage power transmission to support mining and regional development.
  • D. Narrows Hydroelectric Plant
    The Narrows Hydroelectric Plant is a hydroelectric power station that generates electricity using water impounded by Narrows Dam.
  • 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: Canyon Hydropower Station
Target entity description: Canyon Hydropower Station is a hydroelectric power facility located on Sri Lanka’s Kelani River, contributing to the country’s renewable energy generation.
  • 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. Jefferies Hydroelectric Station
    Jefferies Hydroelectric Station is a hydroelectric power facility in South Carolina that generates electricity using water from Lake Moultrie as part of the Santee Cooper power system.
  • C. Nunn hydroelectric plant
    The Nunn hydroelectric plant is an early hydroelectric power station in Utah notable for pioneering long-distance high-voltage power transmission to support mining and regional development.
  • D. Narrows Hydroelectric Plant
    The Narrows Hydroelectric Plant is a hydroelectric power station that generates electricity using water impounded by Narrows Dam.
  • 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_69e24589083081908d5694c4fdc80086 completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f17ec082c08190943e6cfc2e25c5cc completed April 29, 2026, 3:45 a.m.
Created at: April 17, 2026, 3:37 p.m.