Triple

T1180096
Position Surface form Disambiguated ID Type / Status
Subject Pelham Line E25114 entity
Predicate maintenanceAuthority P26299 FINISHED
Object New York City Transit Authority Department of Subways E190754 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: New York City Transit Authority Department of Subways | Statement: [Pelham Line, maintenanceAuthority, New York City Transit Authority Department of Subways]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: New York City Transit Authority Department of Subways
Context triple: [Pelham Line, maintenanceAuthority, New York City Transit Authority Department of Subways]
  • A. New York City Transit Authority chosen
    The New York City Transit Authority is the public agency responsible for operating most of New York City's subway and bus system as part of the Metropolitan Transportation Authority (MTA).
  • B. 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.
  • C. 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.
  • D. 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.
  • 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: maintenanceAuthority
Context triple: [Pelham Line, maintenanceAuthority, New York City Transit Authority Department of Subways]
  • A. maintenance
    Indicates that an entity performs, requires, or is involved in upkeep, repair, or preservation activities for another entity or system.
  • B. operatingAuthority
    Indicates that an entity has the official power, permission, or jurisdiction to operate, manage, or control another entity or activity.
  • C. uniformAuthority
    Indicates that an authority or governing body applies rules, standards, or control consistently and uniformly across all relevant entities or situations.
  • D. constructionAuthority
    Indicates that an entity has the official power or responsibility to oversee, approve, or manage construction-related activities for another entity or project.
  • E. usesAuthorityOf
    Indicates that one entity exercises power, rights, or influence derived from or on behalf of another entity’s authority.
  • 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_69a494267b4c819088c97a59182bf56a completed March 1, 2026, 7:31 p.m.
NER Named-entity recognition batch_69a4bd53e4b48190abb2167f8074a6bc completed March 1, 2026, 10:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69add1a06d7c8190b6c38ff6d18a4542 completed March 8, 2026, 7:44 p.m.
PD Predicate disambiguation batch_69a4bb5844348190b01ac6506906ba3b completed March 1, 2026, 10:19 p.m.
PDg Predicate description generation batch_69a4bd52177081908c5cec8e731b836e completed March 1, 2026, 10:27 p.m.
Created at: March 1, 2026, 7:45 p.m.