Triple

T8334248
Position Surface form Disambiguated ID Type / Status
Subject Nexstar Media Group E195147 entity
Predicate foundedBy P104 FINISHED
Object Perry A. Sook
Perry A. Sook is an American media executive best known as the founder and longtime leader of Nexstar Media Group, one of the largest local television and media companies in the United States.
E893341 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: Perry A. Sook | Statement: [Nexstar Media Group, foundedBy, Perry A. Sook]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Perry A. Sook
Context triple: [Nexstar Media Group, foundedBy, Perry A. Sook]
  • A. Ronald L. Vaughn
    Ronald L. Vaughn is an American academic administrator best known for leading the University of Tampa through significant growth and development as its long-serving president.
  • B. Alan M. Garber
    Alan M. Garber is an American physician-economist and academic leader known for his work in health policy and for serving in top administrative roles at Harvard University.
  • C. Bradford M. Durfee
    Bradford M. Durfee was a prominent local industrialist and philanthropist from Fall River, Massachusetts, for whom Durfee Hall was named in recognition of his contributions to the community.
  • D. Arden L. Bement Jr.
    Arden L. Bement Jr. is an American engineer and public servant best known for leading major U.S. science and engineering agencies, including serving as director of the National Science Foundation.
  • E. Parks P. Goff
    Parks P. Goff was an American politician who served as a member of the Mississippi House of Representatives in the early 20th century.
  • 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: Perry A. Sook
Triple: [Nexstar Media Group, foundedBy, Perry A. Sook]
Generated description
Perry A. Sook is an American media executive best known as the founder and longtime leader of Nexstar Media Group, one of the largest local television and media companies in the United States.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Perry A. Sook
Target entity description: Perry A. Sook is an American media executive best known as the founder and longtime leader of Nexstar Media Group, one of the largest local television and media companies in the United States.
  • A. Ronald L. Vaughn
    Ronald L. Vaughn is an American academic administrator best known for leading the University of Tampa through significant growth and development as its long-serving president.
  • B. Alan M. Garber
    Alan M. Garber is an American physician-economist and academic leader known for his work in health policy and for serving in top administrative roles at Harvard University.
  • C. Bradford M. Durfee
    Bradford M. Durfee was a prominent local industrialist and philanthropist from Fall River, Massachusetts, for whom Durfee Hall was named in recognition of his contributions to the community.
  • D. Arden L. Bement Jr.
    Arden L. Bement Jr. is an American engineer and public servant best known for leading major U.S. science and engineering agencies, including serving as director of the National Science Foundation.
  • E. Parks P. Goff
    Parks P. Goff was an American politician who served as a member of the Mississippi House of Representatives in the early 20th century.
  • 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_69ca82e87f2c8190bdb71ee29dfc642d completed March 30, 2026, 2:04 p.m.
NER Named-entity recognition batch_69cb7fbe61f481909cde8ab2c42f89fc completed March 31, 2026, 8:03 a.m.
NED1 Entity disambiguation (via context triple) batch_69e215ac56248190a75ad5ceb8152d5a completed April 17, 2026, 11:12 a.m.
NEDg Description generation batch_69e21d860d288190855ffbe60df50df9 completed April 17, 2026, 11:46 a.m.
NED2 Entity disambiguation (via description) batch_69e21f09be508190a7c497a7680cb59e completed April 17, 2026, 11:52 a.m.
Created at: March 30, 2026, 5:57 p.m.