Triple

T638799
Position Surface form Disambiguated ID Type / Status
Subject Berkshire Hathaway E16684 entity
Predicate owns P347 FINISHED
Object Berkshire Hathaway Energy
Berkshire Hathaway Energy is a major U.S.-based energy company focused on regulated utilities and renewable power generation, operating as a key subsidiary of Warren Buffett’s Berkshire Hathaway conglomerate.
 E79838 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: Berkshire Hathaway Energy | Statement: [Berkshire Hathaway, owns, Berkshire Hathaway Energy]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Berkshire Hathaway Energy
Context triple: [Berkshire Hathaway, owns, Berkshire Hathaway Energy]
  • A. Southern Company
    Southern Company is one of the largest U.S. energy providers, primarily supplying electricity and natural gas across the southeastern United States through its regulated utilities and related businesses.
  • B. Berkshire Hathaway
    Berkshire Hathaway is a multinational conglomerate holding company based in the United States, best known for its diverse portfolio of wholly owned businesses and large equity investments overseen by Warren Buffett.
  • C. Transamerica Corporation
    Transamerica Corporation is a major American financial services company best known for its life insurance, investment, and retirement products and its iconic association with the Transamerica Pyramid in San Francisco.
  • D. PSEG Power
    PSEG Power is a major U.S. energy generation company that operates as the power production subsidiary of Public Service Enterprise Group, supplying electricity through a portfolio of power plants.
  • E. Westinghouse Electric Corporation
    Westinghouse Electric Corporation was a major American manufacturing and broadcasting conglomerate known for its pioneering role in electrical equipment and its ownership of media assets such as NBC.
  • 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: Berkshire Hathaway Energy
Triple: [Berkshire Hathaway, owns, Berkshire Hathaway Energy]
Generated description
Berkshire Hathaway Energy is a major U.S.-based energy company focused on regulated utilities and renewable power generation, operating as a key subsidiary of Warren Buffett’s Berkshire Hathaway conglomerate.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Berkshire Hathaway Energy
Target entity description: Berkshire Hathaway Energy is a major U.S.-based energy company focused on regulated utilities and renewable power generation, operating as a key subsidiary of Warren Buffett’s Berkshire Hathaway conglomerate.
  • A. Southern Company
    Southern Company is one of the largest U.S. energy providers, primarily supplying electricity and natural gas across the southeastern United States through its regulated utilities and related businesses.
  • B. Berkshire Hathaway
    Berkshire Hathaway is a multinational conglomerate holding company based in the United States, best known for its diverse portfolio of wholly owned businesses and large equity investments overseen by Warren Buffett.
  • C. Transamerica Corporation
    Transamerica Corporation is a major American financial services company best known for its life insurance, investment, and retirement products and its iconic association with the Transamerica Pyramid in San Francisco.
  • D. PSEG Power
    PSEG Power is a major U.S. energy generation company that operates as the power production subsidiary of Public Service Enterprise Group, supplying electricity through a portfolio of power plants.
  • E. Westinghouse Electric Corporation
    Westinghouse Electric Corporation was a major American manufacturing and broadcasting conglomerate known for its pioneering role in electrical equipment and its ownership of media assets such as NBC.
  • 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_69a4936be1c88190af56540324b57da7 completed March 1, 2026, 7:28 p.m.
NER Named-entity recognition batch_69a49f00260081909d1a679182e23d10 completed March 1, 2026, 8:18 p.m.
NED1 Entity disambiguation (via context triple) batch_69a574076b30819090f086b42696bb35 completed March 2, 2026, 11:27 a.m.
NEDg Description generation batch_69a5748d5a4c8190b4f8fcbbae972b88 completed March 2, 2026, 11:29 a.m.
NED2 Entity disambiguation (via description) batch_69a574fb37348190b0979dad87e79e53 completed March 2, 2026, 11:31 a.m.
Created at: March 1, 2026, 7:35 p.m.