Triple

T22840632
Position Surface form Disambiguated ID Type / Status
Subject The Staircase E566068 entity
Predicate mainCharacter P1183 FINISHED
Object Kathleen Peterson
Kathleen Peterson was an American woman whose mysterious 2001 death became the focus of the true-crime documentary series "The Staircase," centering on the trial of her husband, Michael Peterson.
 E1558152 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: Kathleen Peterson | Statement: [The Staircase, mainCharacter, Kathleen Peterson]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Kathleen Peterson
Context triple: [The Staircase, mainCharacter, Kathleen Peterson]
  • A. Virginia Marie Peterson
    Virginia Marie Peterson was the wife of renowned American naturalist and field guide author Roger Tory Peterson.
  • B. Sally Peterson
    Sally Peterson is known as the spouse of American investment banker and former U.S. Secretary of Commerce Peter G. Peterson.
  • C. Linda Jean Peterson
    Linda Jean Peterson is best known as the wife of Nobel Prize–winning theoretical physicist Kip Thorne.
  • D. Mary Beth Johnson
    Mary Beth Johnson is known as the wife of American Western film actor Charles Starrett.
  • E. Christa Miller
    Christa Miller is an American actress best known for her comedic television roles, including prominent parts on series like Scrubs and Cougar Town.
  • 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: Kathleen Peterson
Triple: [The Staircase, mainCharacter, Kathleen Peterson]
Generated description
Kathleen Peterson was an American woman whose mysterious 2001 death became the focus of the true-crime documentary series "The Staircase," centering on the trial of her husband, Michael Peterson.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Kathleen Peterson
Target entity description: Kathleen Peterson was an American woman whose mysterious 2001 death became the focus of the true-crime documentary series "The Staircase," centering on the trial of her husband, Michael Peterson.
  • A. Virginia Marie Peterson
    Virginia Marie Peterson was the wife of renowned American naturalist and field guide author Roger Tory Peterson.
  • B. Sally Peterson
    Sally Peterson is known as the spouse of American investment banker and former U.S. Secretary of Commerce Peter G. Peterson.
  • C. Linda Jean Peterson
    Linda Jean Peterson is best known as the wife of Nobel Prize–winning theoretical physicist Kip Thorne.
  • D. Mary Beth Johnson
    Mary Beth Johnson is known as the wife of American Western film actor Charles Starrett.
  • E. Christa Miller
    Christa Miller is an American actress best known for her comedic television roles, including prominent parts on series like Scrubs and Cougar Town.
  • 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_69e245869e188190a196584f36e682da completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f17e83fa48819084568264ef45c833 completed April 29, 2026, 3:44 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0bae8262ec8190b1d9c37a7bc9f6c5 completed May 19, 2026, 12:27 a.m.
NEDg Description generation batch_6a0baf39c42c8190a6401ab150b80039 completed May 19, 2026, 12:30 a.m.
NED2 Entity disambiguation (via description) batch_6a0bafce9cf48190a826f713e095e3be completed May 19, 2026, 12:33 a.m.
Created at: April 17, 2026, 3:35 p.m.