Triple

T19697106
Position Surface form Disambiguated ID Type / Status
Subject Brooklyn–Manhattan Transit Corporation subway network E472987 entity
Predicate hasLine P35 FINISHED
Object BMT Fulton Street Line (elevated) NE NERFINISHED

How this triple was built (3 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: BMT Fulton Street Line (elevated) | Statement: [Brooklyn–Manhattan Transit Corporation subway network, hasLine, BMT Fulton Street Line (elevated)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: BMT Fulton Street Line (elevated)
Context triple: [Brooklyn–Manhattan Transit Corporation subway network, hasLine, BMT Fulton Street Line (elevated)]
  • A. BMT Fifth Avenue Line
    The BMT Fifth Avenue Line was an elevated rapid transit line in Brooklyn, New York City, that once ran above Fifth Avenue and served as part of the Brooklyn–Manhattan Transit Corporation system before its eventual demolition.
  • B. 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.
  • C. 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.
  • D. BMT 63rd Street Line
    The BMT 63rd Street Line is a New York City Subway line in Manhattan that carries B, F, and Q trains through the 63rd Street Tunnel between Queens and the Upper East Side.
  • E. 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.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: BMT Fulton Street Line (elevated)
Target entity description: The BMT Fulton Street Line (elevated) was a former elevated rapid transit line in Brooklyn that predated and was largely replaced by the modern IND Fulton Street subway.
  • A. BMT Fifth Avenue Line
    The BMT Fifth Avenue Line was an elevated rapid transit line in Brooklyn, New York City, that once ran above Fifth Avenue and served as part of the Brooklyn–Manhattan Transit Corporation system before its eventual demolition.
  • B. 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.
  • C. 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.
  • D. BMT 63rd Street Line
    The BMT 63rd Street Line is a New York City Subway line in Manhattan that carries B, F, and Q trains through the 63rd Street Tunnel between Queens and the Upper East Side.
  • E. 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.
  • F. None of above. chosen

Provenance (2 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d8e515bef88190bc30781aea50537a completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e6421527b08190858788265043792d completed April 20, 2026, 3:11 p.m.
Created at: April 10, 2026, 1:46 p.m.