Triple

T851576
Position Surface form Disambiguated ID Type / Status
Subject N train E18396 entity
Predicate serviceIntroducedBy P513 FINISHED
Object Brooklyn–Manhattan Transit Corporation E128938 NE FINISHED

How this triple was built (3 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: [N train, serviceIntroducedBy, Brooklyn–Manhattan Transit Corporation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Brooklyn–Manhattan Transit Corporation
Context triple: [N train, serviceIntroducedBy, Brooklyn–Manhattan Transit Corporation]
  • A. 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.
  • B. 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.
  • C. Metropolitan Transportation Authority
    The Metropolitan Transportation Authority is the public agency responsible for operating and overseeing much of the mass transit and commuter rail systems in the New York City metropolitan area.
  • D. 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.
  • E. Metropolitan Transit Authority
    The Metropolitan Transit Authority was a former public agency that operated and managed mass transit services in the Boston metropolitan area before being succeeded by the MBTA.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: serviceIntroducedBy
Context triple: [N train, serviceIntroducedBy, Brooklyn–Manhattan Transit Corporation]
  • A. serviceIntroduced
    Indicates that a particular service has been launched, made available, or brought into operation at a certain time or context.
  • B. servedByService
    Indicates that something is provided, handled, or fulfilled by a particular service.
  • C. introduced chosen
    Indicates that one entity caused another entity to become known, presented, or brought into use for the first time to a person, group, or context.
  • D. introducedAfter
    Indicates that one entity was introduced at a later time or stage than another entity.
  • E. serviceLabel
    Indicates that a label or descriptive tag is assigned to a service to identify or categorize it.
  • F. None of above.

Provenance (4 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_69a4938b04208190b82e1df6b572c548 completed March 1, 2026, 7:29 p.m.
NER Named-entity recognition batch_69a4ac22de288190913714d41e5a8e12 completed March 1, 2026, 9:14 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac8f62a0c481909186e09aa914a029 completed March 7, 2026, 8:49 p.m.
PD Predicate disambiguation batch_69a4aa81ef348190b067f817574e9efe completed March 1, 2026, 9:07 p.m.
Created at: March 1, 2026, 7:38 p.m.