Triple

T6343555
Position Surface form Disambiguated ID Type / Status
Subject Church Avenue (IRT Nostrand Avenue Line) E142689 entity
Predicate lineGroup P32740 FINISHED
Object Nostrand Avenue Line local E26624 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: Nostrand Avenue Line local | Statement: [Church Avenue (IRT Nostrand Avenue Line), lineGroup, Nostrand Avenue Line local]

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: Nostrand Avenue Line local
Context triple: [Church Avenue (IRT Nostrand Avenue Line), lineGroup, Nostrand Avenue Line local]
  • A. Broad Street Line local trains
    Broad Street Line local trains are Philadelphia subway services that make all stops along the Broad Street Line, providing frequent local transit through North, Center City, and South Philadelphia.
  • B. BMT Canarsie Line
    The BMT Canarsie Line is a New York City Subway rapid transit line in Brooklyn and Manhattan, best known for being served by the L train and running crosstown under 14th Street.
  • C. Nostrand Avenue Line chosen
    The Nostrand Avenue Line is a New York City Subway route in Brooklyn that branches off the IRT Eastern Parkway Line to serve neighborhoods along Nostrand Avenue, terminating at Flatbush Avenue–Brooklyn College.
  • D. BMT Broadway Line
    The BMT Broadway Line is a major New York City Subway trunk line in Manhattan, carrying N, Q, R, and W trains through Midtown and Lower Manhattan via Broadway.
  • E. BMT Fourth Avenue Line
    The BMT Fourth Avenue Line is a major New York City Subway trunk line in Brooklyn, running beneath Fourth Avenue and serving as a key corridor for multiple services.
  • 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_69c008d5ab108190b346c465696824a9 elicitation completed
NER batch_69c06745b3d88190bcabc2bf5d75555d ner completed
NED1 batch_69c6044051548190bd35bc17b72fab90 ned_source_triple completed
Created at: March 22, 2026, 4:31 p.m.