Triple

T6658021
Position Surface form Disambiguated ID Type / Status
Subject BMT Astoria Line E151396 entity
Predicate formerOperator P179 FINISHED
Object Brooklyn–Manhattan Transit Corporation E278718 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–Manhattan Transit Corporation | Statement: [BMT Astoria Line, formerOperator, Brooklyn–Manhattan Transit Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Brooklyn–Manhattan Transit Corporation
Context triple: [BMT Astoria Line, formerOperator, Brooklyn–Manhattan Transit Corporation]
  • A. Brooklyn–Manhattan Transit Corporation chosen
    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.
  • 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 Rapid Transit Company
    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.
  • D. Brooklyn & Queens Transit Corporation
    The Brooklyn & Queens Transit Corporation was a New York City streetcar operator that ran extensive trolley services in the boroughs of Brooklyn and Queens during the first half of the 20th century.
  • 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_69c687f5fac48190a09e4838d9c6b45d completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6b06f3da88190b17649f44ee93fd1 completed March 27, 2026, 4:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7128c4eac81909ebfe47d8d1ffe9b completed March 27, 2026, 11:28 p.m.
Created at: March 27, 2026, 2:01 p.m.