Triple

T6211578
Position Surface form Disambiguated ID Type / Status
Subject BMT Sea Beach Line E138881 entity
Predicate connectsTo P845 FINISHED
Object BMT Brighton Line at Coney Island–Stillwell Avenue
BMT Brighton Line at Coney Island–Stillwell Avenue is a New York City Subway terminal complex in Brooklyn where the Brighton Line and several other lines converge at the large Coney Island–Stillwell Avenue station.
E580955 NE FINISHED

How this triple was built (4 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 Brighton Line at Coney Island–Stillwell Avenue | Statement: [BMT Sea Beach Line, connectsTo, BMT Brighton Line at Coney Island–Stillwell Avenue]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: BMT Brighton Line at Coney Island–Stillwell Avenue
Context triple: [BMT Sea Beach Line, connectsTo, BMT Brighton Line at Coney Island–Stillwell Avenue]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. BMT Myrtle Avenue Line
    The BMT Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens that primarily carries the M train along an elevated route.
  • E. BMT Nassau Street Line
    The BMT Nassau Street Line is a New York City Subway line in Lower Manhattan that primarily carries J and Z trains through the Financial District.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: BMT Brighton Line at Coney Island–Stillwell Avenue
Triple: [BMT Sea Beach Line, connectsTo, BMT Brighton Line at Coney Island–Stillwell Avenue]
Generated description
BMT Brighton Line at Coney Island–Stillwell Avenue is a New York City Subway terminal complex in Brooklyn where the Brighton Line and several other lines converge at the large Coney Island–Stillwell Avenue station.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: BMT Brighton Line at Coney Island–Stillwell Avenue
Target entity description: BMT Brighton Line at Coney Island–Stillwell Avenue is a New York City Subway terminal complex in Brooklyn where the Brighton Line and several other lines converge at the large Coney Island–Stillwell Avenue station.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. BMT Myrtle Avenue Line
    The BMT Myrtle Avenue Line is a New York City Subway line in Brooklyn and Queens that primarily carries the M train along an elevated route.
  • E. BMT Nassau Street Line
    The BMT Nassau Street Line is a New York City Subway line in Lower Manhattan that primarily carries J and Z trains through the Financial District.
  • F. None of above. chosen

Provenance (5 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_69c243e2d82c8190bacc282589d28b78 completed March 24, 2026, 7:57 a.m.
NEDg Description generation batch_69c4fb66b8e8819090524d1ef12688a7 completed March 26, 2026, 9:24 a.m.
NED2 Entity disambiguation (via description) batch_69c4fc3065bc81908d95fbd3d4655c76 completed March 26, 2026, 9:28 a.m.
Created at: March 22, 2026, 4:21 p.m.