Triple

T7169877
Position Surface form Disambiguated ID Type / Status
Subject Exelon E167165 entity
Predicate foundedByMergerOf P6637 FINISHED
Object PECO Energy Company
PECO Energy Company is a major electric and natural gas utility based in the Philadelphia region that became one of the predecessor companies forming Exelon.
E648601 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: PECO Energy Company | Statement: [Exelon, foundedByMergerOf, PECO Energy Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: PECO Energy Company
Context triple: [Exelon, foundedByMergerOf, PECO Energy Company]
  • A. PSE&G
    PSE&G (Public Service Electric and Gas Company) is a major regulated utility in New Jersey that provides electric and natural gas service to millions of customers.
  • B. Pepco Holdings
    Pepco Holdings is a regional energy utility company in the Mid-Atlantic United States that distributes electricity and related services to residential, commercial, and governmental customers.
  • C. Constellation Energy
    Constellation Energy is a U.S.-based energy company that generates and supplies electricity, with a significant focus on nuclear power and other low-carbon energy sources.
  • D. Cinergy Corporation
    Cinergy Corporation was a U.S.-based energy company best known in part for its naming rights sponsorship of Cincinnati’s Cinergy Field baseball stadium.
  • E. Exelon
    Exelon is a major American energy company and utility services holding corporation, known for operating one of the largest fleets of nuclear power plants in the United 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: PECO Energy Company
Triple: [Exelon, foundedByMergerOf, PECO Energy Company]
Generated description
PECO Energy Company is a major electric and natural gas utility based in the Philadelphia region that became one of the predecessor companies forming Exelon.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: PECO Energy Company
Target entity description: PECO Energy Company is a major electric and natural gas utility based in the Philadelphia region that became one of the predecessor companies forming Exelon.
  • A. PSE&G
    PSE&G (Public Service Electric and Gas Company) is a major regulated utility in New Jersey that provides electric and natural gas service to millions of customers.
  • B. Pepco Holdings
    Pepco Holdings is a regional energy utility company in the Mid-Atlantic United States that distributes electricity and related services to residential, commercial, and governmental customers.
  • C. Constellation Energy
    Constellation Energy is a U.S.-based energy company that generates and supplies electricity, with a significant focus on nuclear power and other low-carbon energy sources.
  • D. Cinergy Corporation
    Cinergy Corporation was a U.S.-based energy company best known in part for its naming rights sponsorship of Cincinnati’s Cinergy Field baseball stadium.
  • E. Exelon
    Exelon is a major American energy company and utility services holding corporation, known for operating one of the largest fleets of nuclear power plants in the United States.
  • 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_69c68888c10c819095e0383020225758 completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e85d8f208190915f6f4c05988b63 completed March 27, 2026, 8:28 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7bf8766508190945a96f9536135ef completed March 28, 2026, 11:46 a.m.
NEDg Description generation batch_69c7c039bb708190b4ac14e19974774a completed March 28, 2026, 11:49 a.m.
NED2 Entity disambiguation (via description) batch_69c7c123c4b48190a76fb869f7abc553 completed March 28, 2026, 11:53 a.m.
Created at: March 27, 2026, 2:48 p.m.