Triple

T6448649
Position Surface form Disambiguated ID Type / Status
Subject Port Jervis Line E139807 entity
Predicate operator P179 FINISHED
Object Metro-North Railroad E26106 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: Metro-North Railroad | Statement: [Port Jervis Line, operator, Metro-North Railroad]

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: Metro-North Railroad
Context triple: [Port Jervis Line, operator, Metro-North Railroad]
  • A. Metro-North Railroad chosen
    Metro-North Railroad is a major commuter rail service operating in the New York metropolitan area, primarily connecting New York City with its northern suburbs in New York State and Connecticut.
  • B. Metro-North Railroad Hudson Line
    The Metro-North Railroad Hudson Line is a major commuter rail route running along the east bank of the Hudson River, connecting New York City with communities throughout the Hudson Valley.
  • C. Metro-North Railroad Port Jervis Line
    The Metro-North Railroad Port Jervis Line is a commuter rail line in the New York metropolitan area that provides long-distance service between Port Jervis and Hoboken, New Jersey, with connections to New York City.
  • D. Long Island Rail Road
    Long Island Rail Road is a major commuter rail system serving Long Island and parts of New York City, known as one of the busiest and oldest railroads in the United States.
  • E. New York, Westchester and Boston Railway
    The New York, Westchester and Boston Railway was an early 20th-century electric commuter railroad serving the Bronx and Westchester County, later partially incorporated into the New York City Subway system.
  • 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_69c008b301948190a35854e5284dc822 elicitation completed
NER batch_69c069b1a61c81908610264c098d25b0 ner completed
NED1 batch_69c64bcfc7388190877ad702ea44802d ned_source_triple completed
Created at: March 22, 2026, 4:47 p.m.