Triple

T17222076
Position Surface form Disambiguated ID Type / Status
Subject Union Square East E418009 entity
Predicate nearbySubwayLine P33788 FINISHED
Object IRT Lexington Avenue Line E23112 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: IRT Lexington Avenue Line | Statement: [Union Square East, nearbySubwayLine, IRT Lexington Avenue Line]

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: IRT Lexington Avenue Line
Context triple: [Union Square East, nearbySubwayLine, IRT Lexington Avenue Line]
  • A. IRT Lexington Avenue Line at Grand Central–42nd Street
    The IRT Lexington Avenue Line at Grand Central–42nd Street is a major New York City Subway station complex on Manhattan’s East Side, serving the 4, 5, and 6 trains and providing access to Grand Central Terminal and multiple connecting lines.
  • B. IRT Lexington Avenue Line – Jerome Avenue Local
    The IRT Lexington Avenue Line – Jerome Avenue Local is a New York City Subway local service that runs along the Lexington Avenue Line in Manhattan and the Jerome Avenue Line in the Bronx.
  • C. Lenox Avenue Line
    The Lenox Avenue Line is a major New York City Subway route in Harlem, Manhattan, primarily served by IRT trains running beneath Lenox Avenue.
  • D. New York City Subway R line
    The New York City Subway R line is a local service in the B Division that primarily runs along the Broadway Line in Manhattan and Fourth Avenue Line in Brooklyn, connecting Queens to southern Brooklyn.
  • E. Lexington Avenue Line chosen
    The Lexington Avenue Line is a major New York City Subway route in Manhattan that carries the 4, 5, and 6 trains and is one of the system’s busiest and most important north–south corridors.
  • 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_69d886d779488190b131369541c04e7d elicitation completed
NER batch_69e42dde78f881908b03105fa0298ae2 ner completed
NED1 batch_6a016757985881909b5711eb1f206cd7 ned_source_triple completed
Created at: April 10, 2026, 5:38 a.m.