Triple

T13740407
Position Surface form Disambiguated ID Type / Status
Subject Central Electricity Generating Board E330070 entity
Predicate replacedBy P101 FINISHED
Object PowerGen
PowerGen was a major UK electricity generation company formed during the privatization of the electricity industry, becoming one of the country's principal power producers.
 E1057709 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: PowerGen | Statement: [Central Electricity Generating Board, replacedBy, PowerGen]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: PowerGen
Context triple: [Central Electricity Generating Board, replacedBy, PowerGen]
  • A. 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.
  • B. PowerSecure
    PowerSecure is an energy solutions company specializing in distributed energy infrastructure, microgrids, and utility services, operating as a subsidiary of Southern Company.
  • 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. 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.
  • E. Kelsey Generating Station
    Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
  • 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: PowerGen
Triple: [Central Electricity Generating Board, replacedBy, PowerGen]
Generated description
PowerGen was a major UK electricity generation company formed during the privatization of the electricity industry, becoming one of the country's principal power producers.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: PowerGen
Target entity description: PowerGen was a major UK electricity generation company formed during the privatization of the electricity industry, becoming one of the country's principal power producers.
  • A. 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.
  • B. PowerSecure
    PowerSecure is an energy solutions company specializing in distributed energy infrastructure, microgrids, and utility services, operating as a subsidiary of Southern Company.
  • 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. 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.
  • E. Kelsey Generating Station
    Kelsey Generating Station is a hydroelectric power plant located on the Nelson River in northern Manitoba, Canada, that generates electricity for the provincial grid.
  • 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_69d80772315881908f980cae40d91664 completed April 9, 2026, 8:09 p.m.
NER Named-entity recognition batch_69de0206a4b88190a60914e2b43e54f9 completed April 14, 2026, 8:59 a.m.
NED1 Entity disambiguation (via context triple) batch_69f79d6bce9881909209231f6dfcf9bf completed May 3, 2026, 7:09 p.m.
NEDg Description generation batch_69f79e7869648190ab0157bd0480b219 completed May 3, 2026, 7:14 p.m.
NED2 Entity disambiguation (via description) batch_69f79f7216b08190800165d46172222c completed May 3, 2026, 7:18 p.m.
Created at: April 9, 2026, 9:55 p.m.