Triple

T1281606
Position Surface form Disambiguated ID Type / Status
Subject Saint Lawrence River E27337 entity
Predicate hasHydroelectricDam P15311 FINISHED
Object Beauharnois generating station
The Beauharnois generating station is a large hydroelectric power plant in Quebec, Canada, known for harnessing the flow of the Saint Lawrence River to produce electricity.
 E146197 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: Beauharnois generating station | Statement: [Saint Lawrence River, hasHydroelectricDam, Beauharnois generating station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Beauharnois generating station
Context triple: [Saint Lawrence River, hasHydroelectricDam, Beauharnois 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. 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.
  • C. Glenwood Power Station
    Glenwood Power Station is an early 20th-century, now-abandoned industrial power plant on the Hudson River in Yonkers, New York, noted for its grand Beaux-Arts architecture and historic significance.
  • D. Olidan power station
    Olidan power station is one of Sweden’s oldest large-scale hydroelectric power plants, located in Trollhättan and historically important for the country’s industrial electrification.
  • 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: Beauharnois generating station
Triple: [Saint Lawrence River, hasHydroelectricDam, Beauharnois generating station]
Generated description
The Beauharnois generating station is a large hydroelectric power plant in Quebec, Canada, known for harnessing the flow of the Saint Lawrence River to produce electricity.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Beauharnois generating station
Target entity description: The Beauharnois generating station is a large hydroelectric power plant in Quebec, Canada, known for harnessing the flow of the Saint Lawrence River to produce electricity.
  • 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. 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.
  • C. Glenwood Power Station
    Glenwood Power Station is an early 20th-century, now-abandoned industrial power plant on the Hudson River in Yonkers, New York, noted for its grand Beaux-Arts architecture and historic significance.
  • D. Olidan power station
    Olidan power station is one of Sweden’s oldest large-scale hydroelectric power plants, located in Trollhättan and historically important for the country’s industrial electrification.
  • 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_69a496d3710c8190955dee8bc0dacb50 completed March 1, 2026, 7:43 p.m.
NER Named-entity recognition batch_69a4c0b317788190a1672b5ee422a049 completed March 1, 2026, 10:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69aca2fb746881909ac7a8dd672fc939 completed March 7, 2026, 10:13 p.m.
NEDg Description generation batch_69aca3752a3c81908bd6d9744ad5f5a2 completed March 7, 2026, 10:15 p.m.
NED2 Entity disambiguation (via description) batch_69aca3e44bf481908c5726adddc4b428 completed March 7, 2026, 10:17 p.m.
Created at: March 1, 2026, 7:50 p.m.