Triple

T12059992
Position Surface form Disambiguated ID Type / Status
Subject Baltimore rail network E287140 entity
Predicate governedBy P46 FINISHED
Object Maryland Transit Administration (for transit components) 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 (for transit components) | Statement: [Baltimore rail network, governedBy, Maryland Transit Administration (for transit components)]

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 (for transit components)
Context triple: [Baltimore rail network, governedBy, Maryland Transit Administration (for transit components)]
  • 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. Mass Transit Administration
    The Mass Transit Administration was the former name of Maryland’s statewide public transportation agency responsible for operating and overseeing transit services.
  • 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. MDTA
    MDTA is a U.S. federal law enacted in 1962 that funded job training programs to help unemployed and underemployed workers gain skills for available jobs.
  • 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_69d6ab4780948190bdb9f7620c2ac27e elicitation completed
NER batch_69d9043dbccc8190bf9da181f826f0d8 ner completed
NED1 batch_69f5f651641c8190bfd1d4d228a36209 ned_source_triple completed
Created at: April 8, 2026, 9:47 p.m.