Triple

T4775891
Position Surface form Disambiguated ID Type / Status
Subject Broadway Local E106044 entity
Predicate operatedByAgency P17883 FINISHED
Object Metropolitan Transportation Authority E3072 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: Metropolitan Transportation Authority | Statement: [Broadway Local, operatedByAgency, Metropolitan Transportation Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metropolitan Transportation Authority
Context triple: [Broadway Local, operatedByAgency, Metropolitan Transportation Authority]
  • A. Metropolitan Transportation Authority chosen
    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.
  • B. New York City Transit Authority
    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).
  • C. 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.
  • D. Capital District Transportation Authority
    The Capital District Transportation Authority is a public transit agency that operates bus and related transportation services in New York State’s Capital Region, including the Albany metropolitan area.
  • E. Brooklyn–Manhattan Transit Corporation
    The Brooklyn–Manhattan Transit Corporation was a major early 20th-century New York City rapid transit company that operated subways and elevated lines in Brooklyn and Manhattan before being absorbed into the city’s unified transit system.
  • 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: operatedByAgency
Context triple: [Broadway Local, operatedByAgency, Metropolitan Transportation Authority]
  • A. operatedByUnit chosen
    Indicates that an entity (such as a system, device, or facility) is run, controlled, or managed by a specific organizational unit.
  • B. operatedAs
    Indicates that an entity functioned or was used in the capacity, role, or identity of another entity for some period of time.
  • C. operatedByBranch
    Indicates that an entity is run, managed, or controlled by a specific branch of an organization.
  • D. usedByAgency
    Indicates that something (such as a resource, tool, or service) is utilized or employed by an agency.
  • E. implementedByAgency
    Indicates that an action, program, or policy is carried out or executed by a specific agency.
  • 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_69bd43f3074c8190937e7b0a457fe9f1 completed March 20, 2026, 12:56 p.m.
NER Named-entity recognition batch_69bd69237f80819090713ed62653fb75 completed March 20, 2026, 3:34 p.m.
NED1 Entity disambiguation (via context triple) batch_69be6f9b91408190962bfd72962b9008 completed March 21, 2026, 10:14 a.m.
PD Predicate disambiguation batch_69bd622be1388190ab5511b589c878c0 completed March 20, 2026, 3:05 p.m.
Created at: March 20, 2026, 1:21 p.m.