Triple

T13883540
Position Surface form Disambiguated ID Type / Status
Subject Marni Nixon E333777 entity
Predicate birthName P65 FINISHED
Object Margaret Nixon McEathron
Margaret Nixon McEathron, better known as Marni Nixon, was an American soprano and "ghost singer" famed for dubbing the singing voices of leading actresses in classic Hollywood musicals.
 E1072330 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: Margaret Nixon McEathron | Statement: [Marni Nixon, birthName, Margaret Nixon McEathron]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Margaret Nixon McEathron
Context triple: [Marni Nixon, birthName, Margaret Nixon McEathron]
  • A. Patricia Haines
    Patricia Haines was a British actress known for her television and film roles in the 1950s and 1960s.
  • B. Mary Lea Johnson
    Mary Lea Johnson was an American heiress, philanthropist, and Broadway producer, known for her work in theater and for being a member of the Johnson & Johnson family.
  • C. Eileen Harris Norton
    Eileen Harris Norton is a philanthropist and arts patron known for supporting contemporary artists and cultural institutions.
  • D. Nancy Gore Everett
    Nancy Gore Everett was the wife of physicist Hugh Everett III and a member of the prominent Gore family, known for her connections to both scientific and political circles.
  • E. Beverly Agnew
    Beverly Agnew was the wife of American physicist and former Los Alamos Laboratory director Harold Agnew.
  • 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: Margaret Nixon McEathron
Triple: [Marni Nixon, birthName, Margaret Nixon McEathron]
Generated description
Margaret Nixon McEathron, better known as Marni Nixon, was an American soprano and "ghost singer" famed for dubbing the singing voices of leading actresses in classic Hollywood musicals.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Margaret Nixon McEathron
Target entity description: Margaret Nixon McEathron, better known as Marni Nixon, was an American soprano and "ghost singer" famed for dubbing the singing voices of leading actresses in classic Hollywood musicals.
  • A. Patricia Haines
    Patricia Haines was a British actress known for her television and film roles in the 1950s and 1960s.
  • B. Mary Lea Johnson
    Mary Lea Johnson was an American heiress, philanthropist, and Broadway producer, known for her work in theater and for being a member of the Johnson & Johnson family.
  • C. Eileen Harris Norton
    Eileen Harris Norton is a philanthropist and arts patron known for supporting contemporary artists and cultural institutions.
  • D. Nancy Gore Everett
    Nancy Gore Everett was the wife of physicist Hugh Everett III and a member of the prominent Gore family, known for her connections to both scientific and political circles.
  • E. Beverly Agnew
    Beverly Agnew was the wife of American physicist and former Los Alamos Laboratory director Harold Agnew.
  • 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_69d81c5dd2d48190b7a5fc1e009de936 completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de0bea4d248190bcbcea9ea875c5f9 completed April 14, 2026, 9:42 a.m.
NED1 Entity disambiguation (via context triple) batch_69fba1bdb1a08190abaf4d9ceb04525a completed May 6, 2026, 8:17 p.m.
NEDg Description generation batch_69fba785e17c819081d09f7891914665 completed May 6, 2026, 8:41 p.m.
NED2 Entity disambiguation (via description) batch_69fba82ca04c8190863932895fa8212a completed May 6, 2026, 8:44 p.m.
Created at: April 9, 2026, 10:15 p.m.