Triple

T5814003
Position Surface form Disambiguated ID Type / Status
Subject Brooklyn Rapid Transit Company E128938 entity
Predicate controlled P4700 FINISHED
Object Brooklyn Heights Railroad
The Brooklyn Heights Railroad was a historic streetcar company that operated trolley lines in Brooklyn, New York, during the late 19th and early 20th centuries.
E551333 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 Heights Railroad | Statement: [Brooklyn Rapid Transit Company, controlled, Brooklyn Heights Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brooklyn Heights Railroad
Context triple: [Brooklyn Rapid Transit Company, controlled, Brooklyn Heights Railroad]
  • A. Brooklyn, Flatbush and Coney Island Railway
    The Brooklyn, Flatbush and Coney Island Railway was a 19th-century steam railroad in Brooklyn that evolved into part of today’s New York City Subway system.
  • B. Brooklyn Elevated Railroad
    The Brooklyn Elevated Railroad was a late 19th- and early 20th-century elevated railway company in Brooklyn, New York City, that operated several rapid transit lines before being absorbed into the city’s unified transit system.
  • C. Hudson and Manhattan Railroad
    The Hudson and Manhattan Railroad was an early 20th-century rapid transit system that operated tunnels and trains between Manhattan and New Jersey, forming the core of what is now the PATH system.
  • D. New York and Harlem Railroad
    The New York and Harlem Railroad was one of the earliest rail lines in New York State, forming a key part of the region’s 19th-century transportation network and later becoming a cornerstone of Cornelius Vanderbilt’s railroad empire.
  • E. New York Connecting Railroad
    The New York Connecting Railroad is a freight and passenger rail line in New York City that links the Long Island Rail Road and the Northeast Corridor, notably via the Hell Gate Bridge between Queens and the Bronx.
  • 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 Heights Railroad
Triple: [Brooklyn Rapid Transit Company, controlled, Brooklyn Heights Railroad]
Generated description
The Brooklyn Heights Railroad was a historic streetcar company that operated trolley lines in Brooklyn, New York, during the late 19th and early 20th centuries.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Brooklyn Heights Railroad
Target entity description: The Brooklyn Heights Railroad was a historic streetcar company that operated trolley lines in Brooklyn, New York, during the late 19th and early 20th centuries.
  • A. Brooklyn, Flatbush and Coney Island Railway
    The Brooklyn, Flatbush and Coney Island Railway was a 19th-century steam railroad in Brooklyn that evolved into part of today’s New York City Subway system.
  • B. Brooklyn Elevated Railroad
    The Brooklyn Elevated Railroad was a late 19th- and early 20th-century elevated railway company in Brooklyn, New York City, that operated several rapid transit lines before being absorbed into the city’s unified transit system.
  • C. Hudson and Manhattan Railroad
    The Hudson and Manhattan Railroad was an early 20th-century rapid transit system that operated tunnels and trains between Manhattan and New Jersey, forming the core of what is now the PATH system.
  • D. New York and Harlem Railroad
    The New York and Harlem Railroad was one of the earliest rail lines in New York State, forming a key part of the region’s 19th-century transportation network and later becoming a cornerstone of Cornelius Vanderbilt’s railroad empire.
  • E. New York Connecting Railroad
    The New York Connecting Railroad is a freight and passenger rail line in New York City that links the Long Island Rail Road and the Northeast Corridor, notably via the Hell Gate Bridge between Queens and the Bronx.
  • 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_69c0a185cc78819098c0f04e7ebfb3c4 completed March 23, 2026, 2:12 a.m.
NEDg Description generation batch_69c0a2463cb08190aa5976ebd62c30d6 completed March 23, 2026, 2:15 a.m.
NED2 Entity disambiguation (via description) batch_69c0a2afcef88190a77c8089a1b85393 completed March 23, 2026, 2:17 a.m.
Created at: March 22, 2026, 3:52 p.m.