Triple

T5164293
Position Surface form Disambiguated ID Type / Status
Subject UTDC light rail vehicles E116512 entity
Predicate developer P73 FINISHED
Object Urban Transportation Development Corporation E280560 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: Urban Transportation Development Corporation | Statement: [UTDC light rail vehicles, developer, Urban Transportation Development Corporation]

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: Urban Transportation Development Corporation
Context triple: [UTDC light rail vehicles, developer, Urban Transportation Development Corporation]
  • A. Urban Transportation Development Corporation chosen
    Urban Transportation Development Corporation was a Canadian government-owned company that specialized in designing and manufacturing advanced urban transit systems, including automated light rail vehicles.
  • B. Triangle Transit Authority
    Triangle Transit Authority was the former name of GoTriangle, the regional public transit agency serving North Carolina’s Research Triangle area.
  • C. Urban Transport Division
    The Urban Transport Division is a specialized unit under India’s Ministry of Housing and Urban Affairs responsible for planning, policy, and coordination of urban mobility and public transport systems in the country.
  • D. Grant Transit Authority
    Grant Transit Authority is a public transportation agency that operates bus and transit services in and around Moses Lake and other communities in Grant County, Washington.
  • E. Metro Rail Transit Corporation
    Metro Rail Transit Corporation is a private consortium in the Philippines that financed, built, and initially operated Manila’s MRT Line 3 under a public–private partnership.
  • 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_69bd445edb3881909b93b34d260717fc elicitation completed
NER batch_69bd792936d48190825da8826448c1da ner completed
NED1 batch_69bed933abd88190981cb16189685b8f ned_source_triple completed
Created at: March 20, 2026, 1:44 p.m.