Triple

T14920084
Position Surface form Disambiguated ID Type / Status
Subject BC Hydro E371485 entity
Predicate hasSubsidiary P254 FINISHED
Object Powerex Corp.
Powerex Corp. is a Canadian energy marketing and trading company that specializes in wholesale electricity and natural gas transactions across North American and international markets.
 E1126491 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: Powerex Corp. | Statement: [BC Hydro, hasSubsidiary, Powerex Corp.]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Powerex Corp.
Context triple: [BC Hydro, hasSubsidiary, Powerex Corp.]
  • A. Independence Power & Light
    Independence Power & Light is a municipal electric utility that provides power services to residents and businesses in Independence, Missouri.
  • B. National Power Corporation
    The National Power Corporation is a Philippine government-owned corporation responsible for power generation and electrification, particularly in missionary and off-grid areas.
  • C. Great Western Power Company
    Great Western Power Company was an early 20th-century California electric utility company known for developing hydroelectric projects and infrastructure in the Sierra Nevada region.
  • D. Reliant Energy
    Reliant Energy is a U.S.-based retail electricity provider and energy company known for supplying power to residential and commercial customers, particularly in Texas.
  • E. Southern Power
    Southern Power is a U.S.-based wholesale energy company that develops, owns, and operates a portfolio of power generation assets, primarily focused on clean and renewable energy.
  • 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: Powerex Corp.
Triple: [BC Hydro, hasSubsidiary, Powerex Corp.]
Generated description
Powerex Corp. is a Canadian energy marketing and trading company that specializes in wholesale electricity and natural gas transactions across North American and international markets.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Powerex Corp.
Target entity description: Powerex Corp. is a Canadian energy marketing and trading company that specializes in wholesale electricity and natural gas transactions across North American and international markets.
  • A. Independence Power & Light
    Independence Power & Light is a municipal electric utility that provides power services to residents and businesses in Independence, Missouri.
  • B. National Power Corporation
    The National Power Corporation is a Philippine government-owned corporation responsible for power generation and electrification, particularly in missionary and off-grid areas.
  • C. Great Western Power Company
    Great Western Power Company was an early 20th-century California electric utility company known for developing hydroelectric projects and infrastructure in the Sierra Nevada region.
  • D. Reliant Energy
    Reliant Energy is a U.S.-based retail electricity provider and energy company known for supplying power to residential and commercial customers, particularly in Texas.
  • E. Southern Power
    Southern Power is a U.S.-based wholesale energy company that develops, owns, and operates a portfolio of power generation assets, primarily focused on clean and renewable energy.
  • 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_69d85cc7ea3481908228b5acb7d06f12 completed April 10, 2026, 2:13 a.m.
NER Named-entity recognition batch_69ded62f76bc81909ebc8899096cd1a0 completed April 15, 2026, 12:05 a.m.
NED1 Entity disambiguation (via context triple) batch_69fe72c141088190936f2fd53fee80e4 completed May 8, 2026, 11:33 p.m.
NEDg Description generation batch_69fe7477270c819094a908a05143619d completed May 8, 2026, 11:40 p.m.
NED2 Entity disambiguation (via description) batch_69fe7542e5948190866991cabdf97f0e completed May 8, 2026, 11:44 p.m.
Created at: April 10, 2026, 2:33 a.m.