Triple

T2319662
Position Surface form Disambiguated ID Type / Status
Subject Nipigon River E51148 entity
Predicate hasHydroelectricDam P15311 FINISHED
Object Pine Portage Generating Station
Pine Portage Generating Station is a hydroelectric power plant located on the Nipigon River in Ontario, Canada, that generates electricity by harnessing the river’s flow.
 E257436 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: Pine Portage Generating Station | Statement: [Nipigon River, hasHydroelectricDam, Pine Portage Generating Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Pine Portage Generating Station
Context triple: [Nipigon River, hasHydroelectricDam, Pine Portage Generating Station]
  • A. Muskrat Falls Generating Station
    Muskrat Falls Generating Station is a large hydroelectric power facility on the lower Churchill River in Labrador, Canada, developed to supply renewable electricity to Newfoundland and Labrador and beyond.
  • 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. Les Cèdres generating station
    Les Cèdres generating station is a hydroelectric power plant in Quebec, Canada, that harnesses the flow of the Saint Lawrence River to generate electricity.
  • D. Churchill Falls Generating Station
    Churchill Falls Generating Station is one of the world’s largest underground hydroelectric power plants, located on the Churchill River in Labrador, Canada.
  • E. Sir Adam Beck Hydroelectric Generating Stations
    The Sir Adam Beck Hydroelectric Generating Stations are a major complex of hydroelectric power plants on the Niagara River in Ontario, Canada, that harness the flow of Niagara Falls to generate electricity for the province.
  • 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: Pine Portage Generating Station
Triple: [Nipigon River, hasHydroelectricDam, Pine Portage Generating Station]
Generated description
Pine Portage Generating Station is a hydroelectric power plant located on the Nipigon River in Ontario, Canada, that generates electricity by harnessing the river’s flow.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Pine Portage Generating Station
Target entity description: Pine Portage Generating Station is a hydroelectric power plant located on the Nipigon River in Ontario, Canada, that generates electricity by harnessing the river’s flow.
  • A. Muskrat Falls Generating Station
    Muskrat Falls Generating Station is a large hydroelectric power facility on the lower Churchill River in Labrador, Canada, developed to supply renewable electricity to Newfoundland and Labrador and beyond.
  • 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. Les Cèdres generating station
    Les Cèdres generating station is a hydroelectric power plant in Quebec, Canada, that harnesses the flow of the Saint Lawrence River to generate electricity.
  • D. Churchill Falls Generating Station
    Churchill Falls Generating Station is one of the world’s largest underground hydroelectric power plants, located on the Churchill River in Labrador, Canada.
  • E. Sir Adam Beck Hydroelectric Generating Stations
    The Sir Adam Beck Hydroelectric Generating Stations are a major complex of hydroelectric power plants on the Niagara River in Ontario, Canada, that harness the flow of Niagara Falls to generate electricity for the province.
  • 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_69a88b074b908190ae983dbca7757d88 completed March 4, 2026, 7:41 p.m.
NER Named-entity recognition batch_69abc630b7ec819088735bde27fdabfe completed March 7, 2026, 6:31 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae96139e688190847bfa872bd08ed4 completed March 9, 2026, 9:42 a.m.
NEDg Description generation batch_69ae971aa3bc8190b0b8b216106dca90 completed March 9, 2026, 9:47 a.m.
NED2 Entity disambiguation (via description) batch_69ae9795cf048190bc7a01ef86c12138 completed March 9, 2026, 9:49 a.m.
Created at: March 4, 2026, 7:49 p.m.