Triple

T5684756
Position Surface form Disambiguated ID Type / Status
Subject Nelson River E125283 entity
Predicate operatorOfHydroelectricStations P52342 FINISHED
Object Manitoba Hydro
Manitoba Hydro is a provincial Crown corporation in Manitoba, Canada, responsible for generating, transmitting, and distributing electricity—primarily from large hydroelectric facilities—as well as providing natural gas services.
E540679 NE FINISHED

How this triple was built (5 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: Manitoba Hydro | Statement: [Nelson River, operatorOfHydroelectricStations, Manitoba Hydro]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Manitoba Hydro
Context triple: [Nelson River, operatorOfHydroelectricStations, Manitoba Hydro]
  • A. Hydro-Québec
    Hydro-Québec is a Canadian public utility company owned by the government of Quebec that generates, transmits, and distributes electricity, primarily from hydroelectric power.
  • B. Newfoundland and Labrador Hydro
    Newfoundland and Labrador Hydro is a provincial Crown-owned electric utility in Newfoundland and Labrador responsible for generating and transmitting electricity across the province.
  • C. BC Hydro
    BC Hydro is a Canadian provincial Crown corporation responsible for generating, purchasing, distributing, and selling electricity in British Columbia.
  • D. Ontario Power Generation
    Ontario Power Generation is a large, government-owned electricity producer in Ontario, Canada, primarily known for operating nuclear, hydroelectric, and other power generating stations across the province.
  • E. Ontario Energy Board
    The Ontario Energy Board is an independent regulatory agency that oversees and sets rules for Ontario’s electricity and natural gas sectors, including rates and licensing for utilities and energy projects.
  • 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: Manitoba Hydro
Triple: [Nelson River, operatorOfHydroelectricStations, Manitoba Hydro]
Generated description
Manitoba Hydro is a provincial Crown corporation in Manitoba, Canada, responsible for generating, transmitting, and distributing electricity—primarily from large hydroelectric facilities—as well as providing natural gas services.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Manitoba Hydro
Target entity description: Manitoba Hydro is a provincial Crown corporation in Manitoba, Canada, responsible for generating, transmitting, and distributing electricity—primarily from large hydroelectric facilities—as well as providing natural gas services.
  • A. Hydro-Québec
    Hydro-Québec is a Canadian public utility company owned by the government of Quebec that generates, transmits, and distributes electricity, primarily from hydroelectric power.
  • B. Newfoundland and Labrador Hydro
    Newfoundland and Labrador Hydro is a provincial Crown-owned electric utility in Newfoundland and Labrador responsible for generating and transmitting electricity across the province.
  • C. BC Hydro
    BC Hydro is a Canadian provincial Crown corporation responsible for generating, purchasing, distributing, and selling electricity in British Columbia.
  • D. Ontario Power Generation
    Ontario Power Generation is a large, government-owned electricity producer in Ontario, Canada, primarily known for operating nuclear, hydroelectric, and other power generating stations across the province.
  • E. Ontario Energy Board
    The Ontario Energy Board is an independent regulatory agency that oversees and sets rules for Ontario’s electricity and natural gas sectors, including rates and licensing for utilities and energy projects.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: operatorOfHydroelectricStations
Context triple: [Nelson River, operatorOfHydroelectricStations, Manitoba Hydro]
  • A. numberOfHydroelectricStations
    Indicates the quantity of hydroelectric power stations associated with a given entity.
  • B. hydroelectricStationCapacity
    Indicates the maximum amount of electrical power that a hydroelectric station is capable of producing under specified conditions.
  • C. hasHydroelectricProjectOperator chosen
    Indicates that a hydroelectric project is operated or managed by a specified operator entity.
  • D. hydroelectricStationCommissioned
    Indicates that a hydroelectric power station has been officially brought into operation or service on a specific date or in a specific context.
  • E. hasHydroelectricProject
    Indicates that an entity is associated with, operates, or contains a hydroelectric power generation project.
  • F. None of above.

Provenance (6 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_69c0248751bc8190b12aaa42d1ef17e3 completed March 22, 2026, 5:19 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.
PD Predicate disambiguation batch_69c021be59088190a81c880957f666ab completed March 22, 2026, 5:07 p.m.
Created at: March 22, 2026, 3:44 p.m.