Triple

T5735406
Position Surface form Disambiguated ID Type / Status
Subject Flatbush Avenue–Brooklyn College E126489 entity
Predicate servedByLine P1293 FINISHED
Object IRT Nostrand Avenue Line 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: IRT Nostrand Avenue Line | Statement: [Flatbush Avenue–Brooklyn College, servedByLine, IRT Nostrand 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 Nostrand Avenue Line
Context triple: [Flatbush Avenue–Brooklyn College, servedByLine, IRT Nostrand Avenue Line]
  • A. Eastern Parkway Line
    The Eastern Parkway Line is a major New York City Subway route in Brooklyn that carries 2, 3, 4, and 5 trains along Eastern Parkway as part of the IRT system.
  • B. 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.
  • C. Queens Boulevard Line
    The Queens Boulevard Line is a major trunk line of the New York City Subway in Queens, carrying multiple services through some of the borough’s busiest residential and commercial corridors.
  • 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. Jerome Avenue Line
    The Jerome Avenue Line is a New York City Subway route in the Bronx, primarily served by the 4 train and running along Jerome Avenue from the Yankee Stadium area toward the northern end of the borough.
  • 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_69c0083082288190b7478cead6b5430a elicitation completed
NER batch_69c025596b5c81909b5626773c91cecb ner completed
NED1 batch_69c0b0ba6ef48190b2219879222ca10c ned_source_triple completed
Created at: March 22, 2026, 3:47 p.m.