Triple

T17295069
Position Surface form Disambiguated ID Type / Status
Subject Mattagami River E419885 entity
Predicate hasHydroelectricStation P15311 FINISHED
Object 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.
 E1261583 NE FINISHED

How this triple was built (4 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: Smoky Falls Generating Station | Statement: [Mattagami River, hasHydroelectricStation, Smoky Falls Generating Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Smoky Falls Generating Station
Context triple: [Mattagami River, hasHydroelectricStation, Smoky Falls Generating Station]
  • A. 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.
  • B. 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.
  • C. DeCew Falls Generating Stations
    DeCew Falls Generating Stations are a pair of historic hydroelectric power plants near St. Catharines, Ontario, that harness water from the Welland Canal to produce electricity.
  • 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. 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. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Smoky Falls Generating Station
Triple: [Mattagami River, hasHydroelectricStation, Smoky Falls Generating Station]
Generated description
Smoky Falls Generating Station is a hydroelectric power plant in northern Ontario, Canada, that harnesses the flow of the Mattagami River to generate electricity.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Smoky Falls Generating Station
Target entity description: Smoky Falls Generating Station is a hydroelectric power plant in northern Ontario, Canada, that harnesses the flow of the Mattagami River to generate electricity.
  • A. 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.
  • B. 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.
  • C. DeCew Falls Generating Stations
    DeCew Falls Generating Stations are a pair of historic hydroelectric power plants near St. Catharines, Ontario, that harness water from the Welland Canal to produce electricity.
  • 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. 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. chosen

Provenance (5 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.
NED1 Entity disambiguation (via context triple) batch_6a0180d66bb8819086eb2c72b4dcbafb completed May 11, 2026, 7:10 a.m.
NEDg Description generation batch_6a01848c84cc8190bbcf1a8be82d0f68 completed May 11, 2026, 7:26 a.m.
NED2 Entity disambiguation (via description) batch_6a01850519108190972c1ecea6b9313c completed May 11, 2026, 7:28 a.m.
Created at: April 10, 2026, 5:40 a.m.