Triple

T16973901
Position Surface form Disambiguated ID Type / Status
Subject Horace Gray E411757 entity
Predicate appointedBy P257 FINISHED
Object Chester A. Arthur E16994 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: Chester A. Arthur | Statement: [Horace Gray, appointedBy, Chester A. Arthur]

Disambiguation candidates (1 decision)

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: Chester A. Arthur
Context triple: [Horace Gray, appointedBy, Chester A. Arthur]
  • A. Chester A. Arthur chosen
    Chester A. Arthur was the 21st president of the United States, best known for his civil service reforms and leadership during the Gilded Age.
  • B. Chester Alan Arthur II
    Chester Alan Arthur II was the son of U.S. President Chester A. Arthur, known as a Gilded Age socialite and avid sportsman who moved in prominent New York and European circles.
  • C. Chester Arthur Burnett
    Chester Arthur Burnett, better known as Howlin' Wolf, was a seminal American blues singer, guitarist, and harmonica player whose powerful voice and recordings profoundly influenced rock and blues music.
  • D. Wilbur Hayes
    Wilbur Hayes was a baseball team owner best known for his role in leading the Negro League’s Cleveland Buckeyes franchise.
  • E. Rutherford B. Hayes
    Rutherford B. Hayes was the 19th president of the United States, known for overseeing the end of Reconstruction and the controversial 1876 election that marked a key moment in the Gilded Age.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d886ca8f348190812768ea8d5055ce elicitation completed
NER batch_69e3d0af06688190a77682aa297cd27e ner completed
NED1 batch_6a00d4738fbc819099e8281ebc777091 ned_source_triple completed
Created at: April 10, 2026, 5:31 a.m.