Triple

T5475440
Position Surface form Disambiguated ID Type / Status
Subject New York City metropolitan area commuter rail network E122940 entity
Predicate hasOperator 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: [New York City metropolitan area commuter rail network, hasOperator, 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: [New York City metropolitan area commuter rail network, hasOperator, 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_69bd46459ff48190823377457bcf7128 elicitation completed
NER batch_69bd923465c88190ad9c1b75b268f7ca ner completed
NED1 batch_69bf489a8f9881908aec81e59ed1e3e4 ned_source_triple completed
Created at: March 20, 2026, 2:09 p.m.