Triple

T16046126
Position Surface form Disambiguated ID Type / Status
Subject Keenleyside Dam E389223 entity
Predicate powerPlantOperator P57981 FINISHED
Object Columbia Power Corporation
Columbia Power Corporation is a British Columbia Crown corporation that develops, owns, and operates hydroelectric power projects in the Columbia River Basin.
E1191280 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: Columbia Power Corporation | Statement: [Keenleyside Dam, powerPlantOperator, Columbia Power Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Columbia Power Corporation
Context triple: [Keenleyside Dam, powerPlantOperator, Columbia Power Corporation]
  • A. 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.
  • 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. Yakama Power
    Yakama Power is a tribally owned utility company that provides electric power services on the Yakama Nation reservation and surrounding areas.
  • D. 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.
  • E. PacifiCorp
    PacifiCorp is a major U.S. electric utility company serving customers across several Western states.
  • 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: Columbia Power Corporation
Triple: [Keenleyside Dam, powerPlantOperator, Columbia Power Corporation]
Generated description
Columbia Power Corporation is a British Columbia Crown corporation that develops, owns, and operates hydroelectric power projects in the Columbia River Basin.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Columbia Power Corporation
Target entity description: Columbia Power Corporation is a British Columbia Crown corporation that develops, owns, and operates hydroelectric power projects in the Columbia River Basin.
  • A. 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.
  • 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. Yakama Power
    Yakama Power is a tribally owned utility company that provides electric power services on the Yakama Nation reservation and surrounding areas.
  • D. 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.
  • E. PacifiCorp
    PacifiCorp is a major U.S. electric utility company serving customers across several Western states.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: powerPlantOperator
Context triple: [Keenleyside Dam, powerPlantOperator, Columbia Power Corporation]
  • A. powerplantRole
    Indicates that one entity serves in a specific functional or operational role relative to a power plant.
  • B. roleInPowerStation chosen
    Indicates that one entity holds a specific functional role or responsibility within the operation or management of a power station.
  • C. powerplant
    Indicates that an entity functions as a facility or installation where energy sources are converted into usable power, typically electricity.
  • D. powerplantFor
    Indicates that one entity functions as the power plant or primary energy source serving another entity.
  • E. powerplantPower
    Indicates that a power plant provides or generates a specified amount of electrical power.
  • 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_69d86dae698881908327ef2d67706cb9 completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e1ff63edb0819092cbb671967bbdcd completed April 17, 2026, 9:37 a.m.
NED1 Entity disambiguation (via context triple) batch_69ffdbdbcf248190b7122d61d857e806 completed May 10, 2026, 1:14 a.m.
NEDg Description generation batch_69ffdcdb551c8190b367407b749314e8 completed May 10, 2026, 1:18 a.m.
NED2 Entity disambiguation (via description) batch_69ffddbfaf088190a644e7898f995c1d completed May 10, 2026, 1:22 a.m.
PD Predicate disambiguation batch_69e1826f34c081908005bb736f1c485d completed April 17, 2026, 12:44 a.m.
Created at: April 10, 2026, 4:56 a.m.