Triple

T1685013
Position Surface form Disambiguated ID Type / Status
Subject BMT Jamaica Line E36422 entity
Predicate formerOperator P179 FINISHED
Object Brooklyn Rapid Transit Company E128938 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: Brooklyn Rapid Transit Company | Statement: [BMT Jamaica Line, formerOperator, Brooklyn Rapid Transit Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Brooklyn Rapid Transit Company
Context triple: [BMT Jamaica Line, formerOperator, Brooklyn Rapid Transit Company]
  • A. Brooklyn Rapid Transit Company chosen
    The Brooklyn Rapid Transit Company was a major early 20th-century transit operator in New York City that controlled and integrated many of Brooklyn’s elevated and streetcar lines before becoming part of the city’s unified subway system.
  • B. Interborough Rapid Transit Company
    The Interborough Rapid Transit Company was the private operator that built and ran New York City's first subway lines in the early 20th century before they were incorporated into the modern NYC Subway system.
  • C. Brooklyn–Manhattan Transit Corporation
    The Brooklyn–Manhattan Transit Corporation was a major early 20th-century New York City rapid transit company that operated subways and elevated lines in Brooklyn and Manhattan before being absorbed into the city’s unified transit system.
  • D. Staten Island Rapid Transit Operating Authority
    The Staten Island Rapid Transit Operating Authority is a public agency of the Metropolitan Transportation Authority responsible for managing and overseeing Staten Island’s railway transit services.
  • E. New York City Transit Authority
    The New York City Transit Authority is the public agency responsible for operating most of New York City's subway and bus system as part of the Metropolitan Transportation Authority (MTA).
  • 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_69a886151508819084fa7f1ce6e05577 completed March 4, 2026, 7:20 p.m.
NER Named-entity recognition batch_69aa627da0688190bfb5316079bc589a completed March 6, 2026, 5:13 a.m.
NED1 Entity disambiguation (via context triple) batch_69af8336f98c8190949c0145d2d31a8f completed March 10, 2026, 2:34 a.m.
Created at: March 4, 2026, 7:29 p.m.