Triple

T17295073
Position Surface form Disambiguated ID Type / Status
Subject Mattagami River E419885 entity
Predicate hasHydroelectricStation P15311 FINISHED
Object Sandy Falls Generating Station — 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: Sandy Falls Generating Station | Statement: [Mattagami River, hasHydroelectricStation, Sandy Falls Generating Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Sandy Falls Generating Station
Context triple: [Mattagami River, hasHydroelectricStation, Sandy Falls Generating Station]
  • A. Smoky Falls Generating Station chosen
    Smoky Falls Generating Station is a hydroelectric power plant in northern Ontario, Canada, that harnesses the flow of the Mattagami River to generate electricity.
  • B. Cameron Falls Generating Station
    Cameron Falls Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
  • C. Seven Sisters Falls Generating Station
    Seven Sisters Falls Generating Station is a major hydroelectric power plant in Manitoba, Canada, known for harnessing the Winnipeg River to generate electricity for the region.
  • D. 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.
  • E. McArthur Falls Generating Station
    McArthur Falls Generating Station is a hydroelectric power plant on the Winnipeg River in Manitoba, Canada, that generates electricity by harnessing the river’s flow.
  • 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_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.