Triple

T10833606
Position Surface form Disambiguated ID Type / Status
Subject Ontario Power Generation E255688 entity
Predicate operatesFacility P4904 FINISHED
Object R.H. Saunders Generating Station E684405 NE FINISHED

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: R.H. Saunders Generating Station | Statement: [Ontario Power Generation, operatesFacility, R.H. Saunders Generating Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: R.H. Saunders Generating Station
Context triple: [Ontario Power Generation, operatesFacility, R.H. Saunders Generating Station]
  • A. R. H. Saunders Generating Station chosen
    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.
  • B. 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.
  • C. 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.
  • D. Eddystone Generating Station
    Eddystone Generating Station is a large fossil-fuel power plant located along the Delaware River in Eddystone, Pennsylvania, known for its significant role in regional electricity generation.
  • E. Alexander Generating Station
    Alexander Generating Station is a hydroelectric power facility located on the Nipigon River in Ontario, Canada, that generates electricity from the river’s flow.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d6aa81a5d08190aa86689061d1ddd2 completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d7442439dc8190af59f9c8d0637c01 completed April 9, 2026, 6:16 a.m.
NED1 Entity disambiguation (via context triple) batch_69deb11a264c8190829ff89f0b13d063 completed April 14, 2026, 9:26 p.m.
Created at: April 8, 2026, 9:19 p.m.