Triple

T5723187
Position Surface form Disambiguated ID Type / Status
Subject Dual Contracts E126196 entity
Predicate appliesToTransportationSystem P15902 FINISHED
Object Brooklyn Rapid Transit Company lines
The Brooklyn Rapid Transit Company lines were an early 20th-century network of elevated and subway rail lines in Brooklyn and parts of New York City that later became a core component of the modern NYC Subway system.
E128938 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 Rapid Transit Company lines | Statement: [Dual Contracts, appliesToTransportationSystem, Brooklyn Rapid Transit Company lines]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brooklyn Rapid Transit Company lines
Context triple: [Dual Contracts, appliesToTransportationSystem, Brooklyn Rapid Transit Company 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. Brooklyn–Manhattan Transit Corporation subway network
    The Brooklyn–Manhattan Transit Corporation subway network was a major early 20th-century rapid transit system in New York City that operated extensive lines in Brooklyn and Manhattan before being incorporated into today’s NYC Subway.
  • C. BMT lines
    BMT lines are a group of New York City Subway routes that originated with the former Brooklyn–Manhattan Transit Corporation and primarily serve Brooklyn and Manhattan.
  • D. Brooklyn, Flatbush and Coney Island line
    The Brooklyn, Flatbush and Coney Island line was an early surface and elevated railway in Brooklyn that evolved into what is now known as the BMT Brighton Line of the New York City Subway.
  • E. 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.
  • 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 Rapid Transit Company lines
Triple: [Dual Contracts, appliesToTransportationSystem, Brooklyn Rapid Transit Company lines]
Generated description
The Brooklyn Rapid Transit Company lines were an early 20th-century network of elevated and subway rail lines in Brooklyn and parts of New York City that later became a core component of the modern NYC Subway system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Brooklyn Rapid Transit Company lines
Target entity description: The Brooklyn Rapid Transit Company lines were an early 20th-century network of elevated and subway rail lines in Brooklyn and parts of New York City that later became a core component of the modern NYC Subway system.
  • 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. Brooklyn–Manhattan Transit Corporation subway network
    The Brooklyn–Manhattan Transit Corporation subway network was a major early 20th-century rapid transit system in New York City that operated extensive lines in Brooklyn and Manhattan before being incorporated into today’s NYC Subway.
  • C. BMT lines
    BMT lines are a group of New York City Subway routes that originated with the former Brooklyn–Manhattan Transit Corporation and primarily serve Brooklyn and Manhattan.
  • D. Brooklyn, Flatbush and Coney Island line
    The Brooklyn, Flatbush and Coney Island line was an early surface and elevated railway in Brooklyn that evolved into what is now known as the BMT Brighton Line of the New York City Subway.
  • E. 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.
  • F. None of above.

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_69c0082f723881908ce8bb13a0c0f8b7 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c0335cf55c8190937a8657406ac4a2 completed March 22, 2026, 6:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69c05a80aefc8190b6ea35ab405ea502 completed March 22, 2026, 9:09 p.m.
NEDg Description generation batch_69c05c7663388190ab491144149532a4 completed March 22, 2026, 9:17 p.m.
NED2 Entity disambiguation (via description) batch_69c05d2ef9488190ac0111cb6a94b1d0 completed March 22, 2026, 9:20 p.m.
Created at: March 22, 2026, 3:46 p.m.