Triple

T2921810
Position Surface form Disambiguated ID Type / Status
Subject Brooklyn–Manhattan Transit Corporation E78743 entity
Predicate divisionOfSystem P14872 FINISHED
Object B Division of the New York City Subway E97262 NE FINISHED

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: B Division of the New York City Subway | Statement: [Brooklyn–Manhattan Transit Corporation, divisionOfSystem, B Division of the New York City Subway]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: B Division of the New York City Subway
Context triple: [Brooklyn–Manhattan Transit Corporation, divisionOfSystem, B Division of the New York City Subway]
  • A. B Division subway cars
    B Division subway cars are the wider, longer New York City Subway rolling stock used on lettered lines, designed for higher-capacity service on the B Division routes.
  • B. BMT Division
    BMT Division is a specialized organizational unit focused on bone marrow transplantation and related hematologic treatments.
  • C. BMT Division chosen
    The BMT Division is a former Brooklyn–Manhattan Transit-operated section of the New York City Subway system, encompassing lines originally built and run by the BMT before unification.
  • D. New York City Subway A line
    The New York City Subway A line is a major rapid transit route in the city’s subway system that runs from upper Manhattan through Brooklyn and Queens, providing express service including a connection to John F. Kennedy International Airport.
  • E. New York City Subway B line
    The New York City Subway B line is an express service in the IND Sixth Avenue Line that runs through Manhattan and Brooklyn, serving major destinations including Yankee Stadium in the Bronx during certain times.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: divisionOfSystem
Context triple: [Brooklyn–Manhattan Transit Corporation, divisionOfSystem, B Division of the New York City Subway]
  • A. divisionTitle
    Indicates the formal name or title assigned to a specific division within a larger organization or structure.
  • B. divisionRenamedFrom
    Indicates that a division currently known by one name was previously known by another specified name.
  • C. divisionOrStructure chosen
    Indicates a relationship where one entity is an internal division, department, or structural subunit that is organizationally contained within another entity.
  • D. divisionRenamedTo
    Indicates that an organizational division has changed its name to a new specified name.
  • E. usesDivisionSystem
    Indicates that one entity organizes or structures something by applying a particular system of division or categorization.
  • F. None of above.

Provenance (4 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_69ad8b0c2ad081909ff87050ae542bb9 completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad97fd89d88190bc7db4b39058ae3a completed March 8, 2026, 3:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69b056344ca48190b4d14dd2c1ac643d completed March 10, 2026, 5:34 p.m.
PD Predicate disambiguation batch_69ad9603ddd88190b8bf91bc7517cc21 completed March 8, 2026, 3:30 p.m.
Created at: March 8, 2026, 2:54 p.m.