Triple

T6914607
Position Surface form Disambiguated ID Type / Status
Subject William Lewis Herndon Arthur E160018 entity
Predicate hasRelative P367 FINISHED
Object Mary McElroy
Mary McElroy was the sister and unofficial White House hostess of U.S. President Chester A. Arthur, known for managing social functions during his administration.
 E659711 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Mary McElroy | Statement: [William Lewis Herndon Arthur, hasRelative, Mary McElroy]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mary McElroy
Context triple: [William Lewis Herndon Arthur, hasRelative, Mary McElroy]
  • A. Margaret O'Leary
    Margaret O'Leary is an Irish-born American nurse and educator known for her contributions to nursing practice and education in the United States.
  • B. Margaret McGrath
    Margaret McGrath was an American philanthropist and the first wife of U.S. Vice President Nelson A. Rockefeller.
  • C. Mary Mulhern
    Mary Mulhern was an American actress best known for her brief Hollywood career in the silent film era and her marriage to actor Jack Pickford.
  • D. Maureen Monaghan
    Maureen Monaghan is the mother of English actor Dominic Monaghan, known for his roles in "The Lord of the Rings" film trilogy and the television series "Lost."
  • E. Mary O'Leary
    Mary O'Leary is a notable individual distinguished enough to be specifically recognized as a prominent bearer of the O'Leary surname.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mary McElroy
Target entity description: Mary McElroy was the sister and unofficial White House hostess of U.S. President Chester A. Arthur, known for managing social functions during his administration.
  • A. Margaret O'Leary
    Margaret O'Leary is an Irish-born American nurse and educator known for her contributions to nursing practice and education in the United States.
  • B. Margaret McGrath
    Margaret McGrath was an American philanthropist and the first wife of U.S. Vice President Nelson A. Rockefeller.
  • C. Mary Mulhern
    Mary Mulhern was an American actress best known for her brief Hollywood career in the silent film era and her marriage to actor Jack Pickford.
  • D. Maureen Monaghan
    Maureen Monaghan is the mother of English actor Dominic Monaghan, known for his roles in "The Lord of the Rings" film trilogy and the television series "Lost."
  • E. Mary O'Leary
    Mary O'Leary is a notable individual distinguished enough to be specifically recognized as a prominent bearer of the O'Leary surname.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Mary McElroy
Triple: [William Lewis Herndon Arthur, hasRelative, Mary McElroy]
Generated description
Mary McElroy was the sister and unofficial White House hostess of U.S. President Chester A. Arthur, known for managing social functions during his administration.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69c6883ab1008190a07129ff06f625d9 elicitation completed
NER batch_69c6d9dda4108190a79a7841b0658a4d ner completed
NED1 batch_69c8029da4688190ae479d3f791aa1c2 ned_source_triple completed
NED2 batch_69c803da5e2c819098814b16d14cf837 ned_description completed
NEDg batch_69c80362bcb88190ad8c42f520d7dd56 nedg completed
Created at: March 27, 2026, 2:26 p.m.