Triple

T15892402
Position Surface form Disambiguated ID Type / Status
Subject New York City Subway N line E385358 entity
Predicate parentOrganization P254 FINISHED
Object Metropolitan Transportation Authority E3072 NE FINISHED

How this triple was built (2 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: [New York City Subway N line, parentOrganization, Metropolitan Transportation Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Metropolitan Transportation Authority
Context triple: [New York City Subway N line, parentOrganization, 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. Bay Metropolitan Transportation Authority
    Bay Metropolitan Transportation Authority is a public transit agency in Michigan that operates bus and related transportation services in the Bay County area.
  • C. 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).
  • D. 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.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d86da5b800819083a31be937d738b0 completed April 10, 2026, 3:25 a.m.
NER Named-entity recognition batch_69e1561f515081908ba4e68e1347a881 completed April 16, 2026, 9:35 p.m.
NED1 Entity disambiguation (via context triple) batch_69ffb5a1b1548190a8579cebf9e71121 completed May 9, 2026, 10:30 p.m.
Created at: April 10, 2026, 4:51 a.m.