Triple

T4944515
Position Surface form Disambiguated ID Type / Status
Subject Metro SubwayLink E111014 entity
Predicate operator P179 FINISHED
Object Maryland Transit Administration E20363 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Maryland Transit Administration | Statement: [Metro SubwayLink, operator, Maryland Transit Administration]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Maryland Transit Administration
Context triple: [Metro SubwayLink, operator, Maryland Transit Administration]
  • A. Maryland Transit Administration chosen
    The Maryland Transit Administration is the state agency responsible for operating and overseeing public transportation services in Maryland, including bus, rail, and commuter transit systems.
  • B. Maryland Transportation Authority
    The Maryland Transportation Authority is the state agency responsible for financing, operating, and maintaining Maryland’s toll roads, bridges, and tunnels.
  • C. Washington Metropolitan Area Transit Authority
    The Washington Metropolitan Area Transit Authority is the agency that manages public transportation services, including Metrorail and Metrobus, in the Washington, D.C. metropolitan region.
  • D. Capital Area Transit
    Capital Area Transit was the former name of Raleigh, North Carolina’s primary public bus system, now known as GoRaleigh.
  • E. Manchester Transit Authority
    Manchester Transit Authority is the primary public bus and paratransit service provider for the city of Manchester, New Hampshire and surrounding areas.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69bd441721cc819085c7e33fe0876818 elicitation completed
NER batch_69bd70a8e5388190882831d7828441d3 ner completed
NED1 batch_69be77c6566c8190b0c76c05b9d82053 ned_source_triple completed
Created at: March 20, 2026, 1:31 p.m.