Triple

T3437112
Position Surface form Disambiguated ID Type / Status
Subject 3 train E72479 entity
Predicate operatorParent P179 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: [3 train, operatorParent, Metropolitan Transportation Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Metropolitan Transportation Authority
Context triple: [3 train, operatorParent, 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: operatorParent
Context triple: [3 train, operatorParent, Metropolitan Transportation Authority]
  • A. operator chosen
    Indicates that one entity functions as the operator (controller or handler) of another entity, such as a system, device, or process.
  • B. otherOperator
    Indicates a relationship where one operator is distinguished from, or serves as an alternative to, another operator within the same context or system.
  • C. operationOf
    Indicates that one entity is the function, activity, or process carried out by another entity (such as a system, device, or organization).
  • D. parentService
    Indicates that one service functions as the higher-level or owning service in relation to another, which depends on or is derived from it.
  • E. operatorSymbol
    Indicates the symbolic notation used to represent an operator in an expression or formal system.
  • 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_69ad85af50288190a854b76653deee6f completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adb9f4398c8190a75822068308037b completed March 8, 2026, 6:03 p.m.
NED1 Entity disambiguation (via context triple) batch_69b35458a1248190b11e6756dfc318b7 completed March 13, 2026, 12:03 a.m.
PD Predicate disambiguation batch_69adae00ad588190bef24373b58a2e1a completed March 8, 2026, 5:12 p.m.
Created at: March 8, 2026, 3:16 p.m.