Triple

T2905378
Position Surface form Disambiguated ID Type / Status
Subject Catawba River E62748 entity
Predicate managedBy P86 FINISHED
Object Duke Energy (hydropower operations)
Duke Energy (hydropower operations) is the division of Duke Energy responsible for operating and maintaining hydroelectric facilities and related water resources, including dams and reservoirs, to generate renewable electricity.
 E310751 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: Duke Energy (hydropower operations) | Statement: [Catawba River, managedBy, Duke Energy (hydropower operations)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Duke Energy (hydropower operations)
Context triple: [Catawba River, managedBy, Duke Energy (hydropower operations)]
  • A. Duke Power Company
    Duke Power Company is a U.S. electric utility company historically known for its involvement in the landmark employment discrimination case Griggs v. Duke Power Co.
  • B. 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.
  • C. Southeastern Power Administration
    The Southeastern Power Administration is a U.S. federal agency that markets and delivers hydroelectric power generated at federally owned dams to public bodies and rural electric cooperatives in the southeastern United States.
  • D. Mississippi Power
    Mississippi Power is a regional electric utility company serving customers in parts of Mississippi as part of the Southern Company family of energy providers.
  • E. 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.
  • 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: Duke Energy (hydropower operations)
Triple: [Catawba River, managedBy, Duke Energy (hydropower operations)]
Generated description
Duke Energy (hydropower operations) is the division of Duke Energy responsible for operating and maintaining hydroelectric facilities and related water resources, including dams and reservoirs, to generate renewable electricity.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Duke Energy (hydropower operations)
Target entity description: Duke Energy (hydropower operations) is the division of Duke Energy responsible for operating and maintaining hydroelectric facilities and related water resources, including dams and reservoirs, to generate renewable electricity.
  • A. Duke Power Company
    Duke Power Company is a U.S. electric utility company historically known for its involvement in the landmark employment discrimination case Griggs v. Duke Power Co.
  • B. 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.
  • C. Southeastern Power Administration
    The Southeastern Power Administration is a U.S. federal agency that markets and delivers hydroelectric power generated at federally owned dams to public bodies and rural electric cooperatives in the southeastern United States.
  • D. Mississippi Power
    Mississippi Power is a regional electric utility company serving customers in parts of Mississippi as part of the Southern Company family of energy providers.
  • E. 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.
  • 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_69ab4c3e070c8190b78d3d2c005876dd completed March 6, 2026, 9:50 p.m.
NER Named-entity recognition batch_69abe0cee7988190875665145c3cd605 completed March 7, 2026, 8:24 a.m.
NED1 Entity disambiguation (via context triple) batch_69b0560e0cac819097ddc2702e4479f5 completed March 10, 2026, 5:34 p.m.
NEDg Description generation batch_69b062e280448190a494b6d3c119de7f completed March 10, 2026, 6:28 p.m.
NED2 Entity disambiguation (via description) batch_69b0633ee82c8190822a4b25a936add9 completed March 10, 2026, 6:30 p.m.
Created at: March 6, 2026, 10:11 p.m.