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

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: Urban Transportation Development Corporation | Statement: [UTDC light rail vehicles, developer, Urban Transportation Development Corporation]
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)

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_69bd445edb3881909b93b34d260717fc completed March 20, 2026, 12:58 p.m.
NER Named-entity recognition batch_69bd792936d48190825da8826448c1da completed March 20, 2026, 4:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69bed933abd88190981cb16189685b8f completed March 21, 2026, 5:45 p.m.
Created at: March 20, 2026, 1:44 p.m.