Triple

T2572424
Position Surface form Disambiguated ID Type / Status
Subject UTDC ICTS Mark I vehicles E57693 entity
Predicate developedBy 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 ICTS Mark I vehicles, developedBy, 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 ICTS Mark I vehicles, developedBy, 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. 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.
  • C. BC Rapid Transit Company
    BC Rapid Transit Company is the public agency responsible for operating and managing metro and light rail transit services in the Metro Vancouver region of British Columbia, Canada.
  • D. Light Rail Transit Authority
    The Light Rail Transit Authority is a Philippine government agency responsible for developing, operating, and maintaining key urban light rail transit lines in Metro Manila.
  • E. Transit Services Bureau
    Transit Services Bureau is a specialized division of the Los Angeles County Sheriff's Department responsible for providing law enforcement and security services on the county’s public transit systems.
  • 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_69ab4a51410081908501dcf8bad9adc4 completed March 6, 2026, 9:42 p.m.
NER Named-entity recognition batch_69abd3853c848190970e8a2da16d726d completed March 7, 2026, 7:28 a.m.
NED1 Entity disambiguation (via context triple) batch_69af83aefb00819095a6ab26f9bb61d9 completed March 10, 2026, 2:36 a.m.
Created at: March 6, 2026, 9:48 p.m.