Triple

T5814002
Position Surface form Disambiguated ID Type / Status
Subject Brooklyn Rapid Transit Company E128938 entity
Predicate controlled P4700 FINISHED
Object Brooklyn Union Elevated Railroad E393799 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 Union Elevated Railroad | Statement: [Brooklyn Rapid Transit Company, controlled, Brooklyn Union Elevated Railroad]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Brooklyn Union Elevated Railroad
Context triple: [Brooklyn Rapid Transit Company, controlled, Brooklyn Union Elevated Railroad]
  • A. Brooklyn Elevated Railroad chosen
    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.
  • B. 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.
  • C. Staten Island Railway
    Staten Island Railway is a rapid transit line providing passenger rail service along Staten Island’s east shore in New York City.
  • D. 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.
  • E. Second Avenue–Broadway Express
    The Second Avenue–Broadway Express is a New York City Subway service pattern that operates express via Second Avenue in Manhattan and Broadway in Brooklyn, providing faster travel between the Upper East Side and southern Brooklyn.
  • 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_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_69c09848dd148190aeea1b1d454b8da5 completed March 23, 2026, 1:32 a.m.
Created at: March 22, 2026, 3:52 p.m.