Triple

T18557279
Position Surface form Disambiguated ID Type / Status
Subject Metropolitan Government of Nashville and Davidson County E453536 entity
Predicate hasAgency P3933 FINISHED
Object Metropolitan Transit Authority (Nashville MTA) — NE NERFINISHED

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 Transit Authority (Nashville MTA) | Statement: [Metropolitan Government of Nashville and Davidson County, hasAgency, Metropolitan Transit Authority (Nashville MTA)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metropolitan Transit Authority (Nashville MTA)
Context triple: [Metropolitan Government of Nashville and Davidson County, hasAgency, Metropolitan Transit Authority (Nashville MTA)]
  • A. Memphis Area Transit Authority
    The Memphis Area Transit Authority is the public transportation agency that operates bus and rail services throughout the Memphis, Tennessee metropolitan area.
  • B. Chattanooga Area Regional Transportation Authority
    The Chattanooga Area Regional Transportation Authority is the public transit agency serving Chattanooga, Tennessee and its surrounding region, operating bus and related transportation services for local residents and visitors.
  • C. Knoxville Area Transit
    Knoxville Area Transit is the public transportation system serving Knoxville, Tennessee, operating local bus routes and related transit services throughout the city.
  • D. Metropolitan Nashville Airport Authority
    The Metropolitan Nashville Airport Authority is the public agency responsible for managing and overseeing Nashville’s airport system, including Nashville International Airport.
  • 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. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Metropolitan Transit Authority (Nashville MTA)
Target entity description: The Metropolitan Transit Authority (Nashville MTA) is the public transportation agency that operates bus and related transit services throughout Nashville and Davidson County, Tennessee.
  • A. Memphis Area Transit Authority
    The Memphis Area Transit Authority is the public transportation agency that operates bus and rail services throughout the Memphis, Tennessee metropolitan area.
  • B. Chattanooga Area Regional Transportation Authority
    The Chattanooga Area Regional Transportation Authority is the public transit agency serving Chattanooga, Tennessee and its surrounding region, operating bus and related transportation services for local residents and visitors.
  • C. Knoxville Area Transit
    Knoxville Area Transit is the public transportation system serving Knoxville, Tennessee, operating local bus routes and related transit services throughout the city.
  • D. Metropolitan Nashville Airport Authority
    The Metropolitan Nashville Airport Authority is the public agency responsible for managing and overseeing Nashville’s airport system, including Nashville International Airport.
  • 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. chosen

Provenance (2 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_69d8d388b0c881908e610a1c45b52640 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e53808028c8190825630525d84a29b completed April 19, 2026, 8:16 p.m.
Created at: April 10, 2026, 11:40 a.m.