Triple

T17295075
Position Surface form Disambiguated ID Type / Status
Subject Mattagami River E419885 entity
Predicate hasHydroelectricStation P15311 FINISHED
Object Upper Sturgeon 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: Upper Sturgeon Generating Station | Statement: [Mattagami River, hasHydroelectricStation, Upper Sturgeon Generating Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Upper Sturgeon Generating Station
Context triple: [Mattagami River, hasHydroelectricStation, Upper Sturgeon Generating Station]
  • A. La Tuque Generating Station
    La Tuque Generating Station is a major hydroelectric power plant in Quebec, Canada, that harnesses the flow of the Saint-Maurice River to generate electricity.
  • B. Robert-Bourassa generating station
    The Robert-Bourassa generating station is a massive hydroelectric power plant in northern Quebec and one of the key facilities in Hydro-Québec’s La Grande complex.
  • C. Lower Sturgeon Generating Station chosen
    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.
  • D. Pointe du Bois Generating Station
    Pointe du Bois Generating Station is a historic hydroelectric power plant in Manitoba, Canada, known as one of the province’s oldest and longest-operating generating stations.
  • E. Shawinigan-2 Generating Station
    Shawinigan-2 Generating Station is a historic hydroelectric power plant in Shawinigan, Quebec, that harnesses the Saint-Maurice River to generate electricity.
  • 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.