Triple

T6211576
Position Surface form Disambiguated ID Type / Status
Subject BMT Sea Beach Line E138881 entity
Predicate connectsTo P845 FINISHED
Object BMT West End Line at Coney Island–Stillwell Avenue E268201 NE FINISHED

How this triple was built (2 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 West End Line at Coney Island–Stillwell Avenue | Statement: [BMT Sea Beach Line, connectsTo, BMT West End Line at Coney Island–Stillwell Avenue]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: BMT West End Line at Coney Island–Stillwell Avenue
Context triple: [BMT Sea Beach Line, connectsTo, BMT West End Line at Coney Island–Stillwell Avenue]
  • A. Brooklyn–Coney Island subway corridor
    The Brooklyn–Coney Island subway corridor is a major rapid transit artery in Brooklyn that connects inland neighborhoods to the Coney Island peninsula via multiple New York City Subway lines.
  • B. BMT West End Line
    The BMT West End Line is a New York City Subway line in Brooklyn that runs primarily along New Utrecht Avenue and serves as part of the modern D train route.
  • C. Coney Island–Stillwell Avenue station chosen
    Coney Island–Stillwell Avenue station is a major New York City Subway terminal in Brooklyn that serves as the primary transit hub for the Coney Island neighborhood.
  • D. BMT Sea Beach Line
    The BMT Sea Beach Line is a New York City Subway line in Brooklyn that runs largely in an open-cut trench and primarily carries the N service between Coney Island and Manhattan.
  • 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)

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_69c008ada364819096c9e92c74d639b5 completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c0628adccc8190b94f5c2c1d5d03f7 completed March 22, 2026, 9:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69c16f5cf41c8190b4efb1dc0a4a0e5e completed March 23, 2026, 4:50 p.m.
Created at: March 22, 2026, 4:21 p.m.