Triple

T13864567
Position Surface form Disambiguated ID Type / Status
Subject BMT Franklin Avenue Line E333287 entity
Predicate isPartOf P10 FINISHED
Object Brooklyn–Manhattan Transit (BMT) lines
The Brooklyn–Manhattan Transit (BMT) lines were a major division of New York City's early subway system, originally operated by the BMT company and now forming part of the modern B Division of the NYC Subway.
E1086353 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: Brooklyn–Manhattan Transit (BMT) lines | Statement: [BMT Franklin Avenue Line, isPartOf, Brooklyn–Manhattan Transit (BMT) lines]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brooklyn–Manhattan Transit (BMT) lines
Context triple: [BMT Franklin Avenue Line, isPartOf, Brooklyn–Manhattan Transit (BMT) lines]
  • A. Brooklyn IRT lines
    The Brooklyn IRT lines are a group of New York City Subway routes in Brooklyn that were originally built and operated by the Interborough Rapid Transit Company as part of its early rapid transit network.
  • 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 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.
  • E. 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.
  • 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: Brooklyn–Manhattan Transit (BMT) lines
Triple: [BMT Franklin Avenue Line, isPartOf, Brooklyn–Manhattan Transit (BMT) lines]
Generated description
The Brooklyn–Manhattan Transit (BMT) lines were a major division of New York City's early subway system, originally operated by the BMT company and now forming part of the modern B Division of the NYC Subway.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Brooklyn–Manhattan Transit (BMT) lines
Target entity description: The Brooklyn–Manhattan Transit (BMT) lines were a major division of New York City's early subway system, originally operated by the BMT company and now forming part of the modern B Division of the NYC Subway.
  • A. Brooklyn IRT lines
    The Brooklyn IRT lines are a group of New York City Subway routes in Brooklyn that were originally built and operated by the Interborough Rapid Transit Company as part of its early rapid transit network.
  • 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 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.
  • E. 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.
  • 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_69d81c5ced9c8190b0e9bcc6effe5959 completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de05c30d9c81908217d41a3b4aaf85 completed April 14, 2026, 9:15 a.m.
NED1 Entity disambiguation (via context triple) batch_69fd192b5e508190b2d385657f9e358f completed May 7, 2026, 10:58 p.m.
NEDg Description generation batch_69fd1d0485bc8190a9cecca630f995db completed May 7, 2026, 11:15 p.m.
NED2 Entity disambiguation (via description) batch_69fd1dedc3dc8190a2f5868a4a30ba1b completed May 7, 2026, 11:19 p.m.
Created at: April 9, 2026, 10:14 p.m.