Triple

T21923364
Position Surface form Disambiguated ID Type / Status
Subject Dual Subway Contracts E541376 entity
Predicate hasPart P35 FINISHED
Object Contract with Brooklyn Rapid Transit Company
The Contract with Brooklyn Rapid Transit Company was a major early-20th-century agreement that helped establish and expand New York City's rapid transit system as part of the broader Dual Subway Contracts.
E1508968 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: Contract with Brooklyn Rapid Transit Company | Statement: [Dual Subway Contracts, hasPart, Contract with Brooklyn Rapid Transit Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Contract with Brooklyn Rapid Transit Company
Context triple: [Dual Subway Contracts, hasPart, Contract with Brooklyn Rapid Transit Company]
  • A. Brooklyn streetcar system
    The Brooklyn streetcar system was an extensive network of electric streetcar lines that once provided primary public transit service throughout Brooklyn, New York City, before being largely replaced by buses and subways in the mid-20th century.
  • B. Board of Transportation of the City of New York
    The Board of Transportation of the City of New York was the municipal agency responsible for planning, building, and operating New York City's early publicly owned subway and transit lines before they were unified under later authorities.
  • C. Brooklyn streetcar
    The Brooklyn streetcar is a preserved historic trolley car from Brooklyn, New York, now operated as part of San Francisco’s vintage streetcar fleet.
  • D. Coney Island and Brooklyn Railroad
    The Coney Island and Brooklyn Railroad was a historic streetcar and rapid transit line in Brooklyn, New York, that played a key role in connecting urban neighborhoods with the Coney Island amusement area in the late 19th and early 20th centuries.
  • 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: Contract with Brooklyn Rapid Transit Company
Triple: [Dual Subway Contracts, hasPart, Contract with Brooklyn Rapid Transit Company]
Generated description
The Contract with Brooklyn Rapid Transit Company was a major early-20th-century agreement that helped establish and expand New York City's rapid transit system as part of the broader Dual Subway Contracts.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Contract with Brooklyn Rapid Transit Company
Target entity description: The Contract with Brooklyn Rapid Transit Company was a major early-20th-century agreement that helped establish and expand New York City's rapid transit system as part of the broader Dual Subway Contracts.
  • A. Brooklyn streetcar system
    The Brooklyn streetcar system was an extensive network of electric streetcar lines that once provided primary public transit service throughout Brooklyn, New York City, before being largely replaced by buses and subways in the mid-20th century.
  • B. Board of Transportation of the City of New York
    The Board of Transportation of the City of New York was the municipal agency responsible for planning, building, and operating New York City's early publicly owned subway and transit lines before they were unified under later authorities.
  • C. Brooklyn streetcar
    The Brooklyn streetcar is a preserved historic trolley car from Brooklyn, New York, now operated as part of San Francisco’s vintage streetcar fleet.
  • D. Coney Island and Brooklyn Railroad
    The Coney Island and Brooklyn Railroad was a historic streetcar and rapid transit line in Brooklyn, New York, that played a key role in connecting urban neighborhoods with the Coney Island amusement area in the late 19th and early 20th centuries.
  • 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

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_69e0c47d74488190a15119108794a307 completed April 16, 2026, 11:14 a.m.
NER Named-entity recognition batch_69f1233d096c8190af0d7cd21879c91b completed April 28, 2026, 9:14 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a60dd9e8481909565b76b275fe84a completed May 18, 2026, 12:44 a.m.
NEDg Description generation batch_6a0a618e55c4819099ab070410e4f1a9 completed May 18, 2026, 12:47 a.m.
NED2 Entity disambiguation (via description) batch_6a0a621fe47081908575a17b9895395a completed May 18, 2026, 12:49 a.m.
Created at: April 16, 2026, 7:45 p.m.