Triple

T5684751
Position Surface form Disambiguated ID Type / Status
Subject Nelson River E125283 entity
Predicate hasHydroelectricStation P15311 FINISHED
Object 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.
 E540677 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: Long Spruce Generating Station | Statement: [Nelson River, hasHydroelectricStation, Long Spruce Generating Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Long Spruce Generating Station
Context triple: [Nelson River, hasHydroelectricStation, Long Spruce Generating Station]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Carillon generating station
    The Carillon generating station is a major hydroelectric power plant and dam complex on the Ottawa River in Quebec, Canada, known for producing electricity and facilitating navigation through its lock system.
  • E. 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.
  • 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: Long Spruce Generating Station
Triple: [Nelson River, hasHydroelectricStation, Long Spruce Generating Station]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Long Spruce Generating Station
Target entity description: 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.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Carillon generating station
    The Carillon generating station is a major hydroelectric power plant and dam complex on the Ottawa River in Quebec, Canada, known for producing electricity and facilitating navigation through its lock system.
  • E. 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.
  • 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_69c0082a884c8190a79001bae658941f completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c023b8efc4819085675d0d3dfb2a54 completed March 22, 2026, 5:15 p.m.
NED1 Entity disambiguation (via context triple) batch_69c05a3d2b348190b44a067f485bca70 completed March 22, 2026, 9:08 p.m.
NEDg Description generation batch_69c05bb6a334819094cff84f16f5285c completed March 22, 2026, 9:14 p.m.
NED2 Entity disambiguation (via description) batch_69c05c7a03948190b38e2dfcb04fd93e completed March 22, 2026, 9:17 p.m.
Created at: March 22, 2026, 3:44 p.m.