Triple

T15353845
Position Surface form Disambiguated ID Type / Status
Subject Bonnechere River E367120 entity
Predicate hasHydroelectricDam P15311 FINISHED
Object Douglas generating station
Douglas generating station is a hydroelectric power facility located on the Bonnechere River in Ontario, Canada, that generates electricity from the river’s flow.
 E1154583 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: Douglas generating station | Statement: [Bonnechere River, hasHydroelectricDam, Douglas generating station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Douglas generating station
Context triple: [Bonnechere River, hasHydroelectricDam, Douglas 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. Long Spruce Generating Station
    Long Spruce Generating Station is a large hydroelectric power plant in northern Manitoba, Canada, that forms part of the Nelson River generating system supplying electricity to the province and beyond.
  • 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. 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.
  • E. 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.
  • 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: Douglas generating station
Triple: [Bonnechere River, hasHydroelectricDam, Douglas generating station]
Generated description
Douglas generating station is a hydroelectric power facility located on the Bonnechere River in Ontario, Canada, that generates electricity from the river’s flow.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Douglas generating station
Target entity description: Douglas generating station is a hydroelectric power facility located on the Bonnechere River in Ontario, Canada, that generates electricity from the river’s flow.
  • 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. Long Spruce Generating Station
    Long Spruce Generating Station is a large hydroelectric power plant in northern Manitoba, Canada, that forms part of the Nelson River generating system supplying electricity to the province and beyond.
  • 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. 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.
  • E. 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.
  • 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_69d85a1355608190a6673ddb67231d54 completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e03e2a8e88819093e4b7479b2c80cd completed April 16, 2026, 1:40 a.m.
NED1 Entity disambiguation (via context triple) batch_69ff1341033881909121ade33cecaf50 completed May 9, 2026, 10:58 a.m.
NEDg Description generation batch_69ff141b025c8190ac5ac9400ff36133 completed May 9, 2026, 11:01 a.m.
NED2 Entity disambiguation (via description) batch_69ff1519100c819083ee0342bf25d89e completed May 9, 2026, 11:06 a.m.
Created at: April 10, 2026, 3:18 a.m.