Triple

T5814017
Position Surface form Disambiguated ID Type / Status
Subject Brooklyn Rapid Transit Company E128938 entity
Predicate operatedLine P848 FINISHED
Object Canarsie Line
The Canarsie Line is a New York City Subway route, now designated as the L train, running primarily through Brooklyn and into Manhattan.
 E546606 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: Canarsie Line | Statement: [Brooklyn Rapid Transit Company, operatedLine, Canarsie Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Canarsie Line
Context triple: [Brooklyn Rapid Transit Company, operatedLine, Canarsie Line]
  • A. Canarsie
    Canarsie is a residential neighborhood in southeastern Brooklyn, New York City, known for its diverse community, waterfront areas, and history as a former hub of the Canarsie Native American tribe.
  • B. Broad Street (BMT Nassau Street Line)
    Broad Street is a New York City Subway station in Lower Manhattan serving the BMT Nassau Street Line, primarily used by J and Z trains.
  • C. Fulton Street Line
    The Fulton Street Line is a major New York City Subway corridor in Brooklyn and Manhattan that carries IND services such as the A and C trains along Fulton Street.
  • D. Lenox Avenue Line
    The Lenox Avenue Line is a major New York City Subway route in Harlem, Manhattan, primarily served by IRT trains running beneath Lenox Avenue.
  • E. Flatbush
    Flatbush is a diverse, historically Caribbean-American neighborhood in central Brooklyn, New York City, known for its vibrant culture and Victorian-era residential streets.
  • 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: Canarsie Line
Triple: [Brooklyn Rapid Transit Company, operatedLine, Canarsie Line]
Generated description
The Canarsie Line is a New York City Subway route, now designated as the L train, running primarily through Brooklyn and into Manhattan.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Canarsie Line
Target entity description: The Canarsie Line is a New York City Subway route, now designated as the L train, running primarily through Brooklyn and into Manhattan.
  • A. Canarsie
    Canarsie is a residential neighborhood in southeastern Brooklyn, New York City, known for its diverse community, waterfront areas, and history as a former hub of the Canarsie Native American tribe.
  • B. Broad Street (BMT Nassau Street Line)
    Broad Street is a New York City Subway station in Lower Manhattan serving the BMT Nassau Street Line, primarily used by J and Z trains.
  • C. Fulton Street Line
    The Fulton Street Line is a major New York City Subway corridor in Brooklyn and Manhattan that carries IND services such as the A and C trains along Fulton Street.
  • D. Lenox Avenue Line
    The Lenox Avenue Line is a major New York City Subway route in Harlem, Manhattan, primarily served by IRT trains running beneath Lenox Avenue.
  • E. Flatbush
    Flatbush is a diverse, historically Caribbean-American neighborhood in central Brooklyn, New York City, known for its vibrant culture and Victorian-era residential streets.
  • 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_69c0084788848190bcf71f6bc5d71597 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c03361c79081908baf872821e79983 completed March 22, 2026, 6:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69c09848dd148190aeea1b1d454b8da5 completed March 23, 2026, 1:32 a.m.
NEDg Description generation batch_69c098bbc9248190820ca3e66026ae4b completed March 23, 2026, 1:34 a.m.
NED2 Entity disambiguation (via description) batch_69c09943deec819085992c4e44050a34 completed March 23, 2026, 1:37 a.m.
Created at: March 22, 2026, 3:52 p.m.