Triple

T4969564
Position Surface form Disambiguated ID Type / Status
Subject Brotherhood of Sleeping Car Porters E111613 entity
Predicate affiliation P10 FINISHED
Object American Federation of Labor E6111 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: American Federation of Labor | Statement: [Brotherhood of Sleeping Car Porters, affiliation, American Federation of Labor]

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: American Federation of Labor
Context triple: [Brotherhood of Sleeping Car Porters, affiliation, American Federation of Labor]
  • A. American Federation of Labor chosen
    The American Federation of Labor was a major U.S. national federation of labor unions, founded in 1886, that focused on organizing skilled workers and advocating for practical economic gains through collective bargaining.
  • B. Knights of Labor
    The Knights of Labor was one of the first major national labor organizations in the United States, active in the late 19th century and known for organizing workers across trades to advocate for broad social and economic reforms.
  • C. Congress of Industrial Organizations
    The Congress of Industrial Organizations was a major federation of industrial labor unions in the United States that played a central role in organizing mass-production workers and shaping mid-20th-century labor policy.
  • D. AFL–CIO
    The AFL–CIO is the largest federation of labor unions in the United States, formed by the merger of major labor organizations and representing millions of workers across diverse industries.
  • E. International Association of Machinists
    The International Association of Machinists is a major North American labor union representing machinists and other industrial workers in sectors such as aerospace, transportation, and manufacturing.
  • 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_69bd441a0eb481908050fa4273b19eae elicitation completed
NER batch_69bd721221b88190916feb9b4f049195 ner completed
NED1 batch_69be89fddbb8819084c8c21ee0ce845e ned_source_triple completed
Created at: March 20, 2026, 1:32 p.m.