Triple

T1109593
Position Surface form Disambiguated ID Type / Status
Subject Mary Jo Kopechne E25562 entity
Predicate hasMother P1909 FINISHED
Object Gwen Kopechne
Gwen Kopechne was the mother of Mary Jo Kopechne, the young political campaign worker who died in the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
E160317 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: Gwen Kopechne | Statement: [Mary Jo Kopechne, hasMother, Gwen Kopechne]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Gwen Kopechne
Context triple: [Mary Jo Kopechne, hasMother, Gwen Kopechne]
  • A. Jessica Szohr
    Jessica Szohr is an American actress best known for her role as Vanessa Abrams on the television series "Gossip Girl" and later as a main cast member on the sci-fi comedy-drama "The Orville."
  • B. Gwen Bagni
    Gwen Bagni was an American screenwriter known for her work in mid-20th-century film and television, including adaptations of historical and biographical stories.
  • C. Sasha Czack
    Sasha Czack is an American photographer, director, and actress best known as the first wife of actor Sylvester Stallone.
  • D. Elizabeth Roboz
    Elizabeth Roboz was a Hungarian-American neurobiologist and biochemist known for her research on brain chemistry and her marriage to Hans Albert Einstein, the son of Albert Einstein.
  • E. Lana Peters
    Lana Peters was the American name of Svetlana Alliluyeva, the daughter of Soviet leader Joseph Stalin who later defected to the West and became a writer.
  • 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: Gwen Kopechne
Triple: [Mary Jo Kopechne, hasMother, Gwen Kopechne]
Generated description
Gwen Kopechne was the mother of Mary Jo Kopechne, the young political campaign worker who died in the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Gwen Kopechne
Target entity description: Gwen Kopechne was the mother of Mary Jo Kopechne, the young political campaign worker who died in the 1969 Chappaquiddick incident involving Senator Ted Kennedy.
  • A. Jessica Szohr
    Jessica Szohr is an American actress best known for her role as Vanessa Abrams on the television series "Gossip Girl" and later as a main cast member on the sci-fi comedy-drama "The Orville."
  • B. Gwen Bagni
    Gwen Bagni was an American screenwriter known for her work in mid-20th-century film and television, including adaptations of historical and biographical stories.
  • C. Sasha Czack
    Sasha Czack is an American photographer, director, and actress best known as the first wife of actor Sylvester Stallone.
  • D. Elizabeth Roboz
    Elizabeth Roboz was a Hungarian-American neurobiologist and biochemist known for her research on brain chemistry and her marriage to Hans Albert Einstein, the son of Albert Einstein.
  • E. Lana Peters
    Lana Peters was the American name of Svetlana Alliluyeva, the daughter of Soviet leader Joseph Stalin who later defected to the West and became a writer.
  • 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_69a49428d4448190b3b36991ceae87ce completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4ba045fd88190982e1c6278fb9ca3 completed March 1, 2026, 10:13 p.m.
NED1 Entity disambiguation (via context triple) batch_69acde0311d88190a3cd04c7e00253e2 completed March 8, 2026, 2:25 a.m.
NEDg Description generation batch_69acdfabfd3c8190960d8621b49284a8 completed March 8, 2026, 2:32 a.m.
NED2 Entity disambiguation (via description) batch_69ace0ea9d1c8190a73ed43b0a7bbd2f completed March 8, 2026, 2:37 a.m.
Created at: March 1, 2026, 7:43 p.m.