Triple

T17295074
Position Surface form Disambiguated ID Type / Status
Subject Mattagami River E419885 entity
Predicate hasHydroelectricStation P15311 FINISHED
Object Lower Sturgeon Generating 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: Lower Sturgeon Generating Station | Statement: [Mattagami River, hasHydroelectricStation, Lower Sturgeon Generating Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Lower Sturgeon Generating Station
Context triple: [Mattagami River, hasHydroelectricStation, Lower Sturgeon Generating Station]
  • A. Kelsey Generating Station
    Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
  • B. Smoky Falls Generating Station
    Smoky Falls Generating Station is a hydroelectric power plant in northern Ontario, Canada, that harnesses the flow of the Mattagami River to generate electricity.
  • C. R. H. Saunders Generating Station
    R. H. Saunders Generating Station is a major hydroelectric power facility on the St. Lawrence River that forms part of the binational Moses–Saunders Power Dam complex between Canada and the United States.
  • D. La Gabelle Generating Station
    La Gabelle Generating Station is a hydroelectric power plant in Quebec, Canada, operated by Hydro-Québec and known for harnessing the flow of the Saint-Maurice River to produce electricity.
  • E. Limestone Generating Station
    Limestone Generating Station is a major hydroelectric power plant on the Nelson River in northern Manitoba, Canada, and one of the largest electricity-generating facilities in the province.
  • 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: Lower Sturgeon Generating Station
Target entity description: Lower Sturgeon Generating Station is a hydroelectric power plant located on the Mattagami River in Ontario, Canada, that generates electricity from the river’s flow.
  • A. Kelsey Generating Station
    Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
  • B. Smoky Falls Generating Station
    Smoky Falls Generating Station is a hydroelectric power plant in northern Ontario, Canada, that harnesses the flow of the Mattagami River to generate electricity.
  • C. R. H. Saunders Generating Station
    R. H. Saunders Generating Station is a major hydroelectric power facility on the St. Lawrence River that forms part of the binational Moses–Saunders Power Dam complex between Canada and the United States.
  • D. La Gabelle Generating Station
    La Gabelle Generating Station is a hydroelectric power plant in Quebec, Canada, operated by Hydro-Québec and known for harnessing the flow of the Saint-Maurice River to produce electricity.
  • E. Limestone Generating Station
    Limestone Generating Station is a major hydroelectric power plant on the Nelson River in northern Manitoba, Canada, and one of the largest electricity-generating facilities in the province.
  • 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_69d886db32608190a61e18862c5a8af6 completed April 10, 2026, 5:12 a.m.
NER Named-entity recognition batch_69e437875b208190bcf0df2ded546257 completed April 19, 2026, 2:01 a.m.
Created at: April 10, 2026, 5:40 a.m.