Triple

T15421756
Position Surface form Disambiguated ID Type / Status
Subject Greater Los Angeles hydrologic system E369395 entity
Predicate operatedBy P86 FINISHED
Object Metropolitan Water District of Southern California E427265 NE FINISHED

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: Metropolitan Water District of Southern California
Context triple: [Greater Los Angeles hydrologic system, operatedBy, Metropolitan Water District of Southern California]
  • A. Metropolitan Water District of Southern California chosen
    The Metropolitan Water District of Southern California is a regional wholesale water agency that imports, manages, and distributes water supplies to numerous cities and local water districts across Southern California.
  • B. Los Angeles City Water Company
    Los Angeles City Water Company was a private utility in Los Angeles that managed the city’s early water supply system before municipal control and the rise of the Los Angeles Department of Water and Power.
  • C. Mojave Water Agency
    The Mojave Water Agency is a regional water management and planning agency in Southern California responsible for securing, conserving, and overseeing water resources for communities in the Mojave Desert region.
  • D. Los Angeles Department of Water and Power
    The Los Angeles Department of Water and Power is the largest municipal utility in the United States, providing water and electricity to the City of Los Angeles and overseeing key regional water resources.
  • E. Coachella Valley Water District
    Coachella Valley Water District is a public water agency in Southern California responsible for providing water supply, irrigation, and related services to communities in the Coachella Valley region.
  • 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_69d85a1849f48190bf898068b2806fae elicitation completed
NER batch_69e03ebe7b1081908e6b9e6e128a8d5d ner completed
NED1 batch_69ff21a18c548190b8591776828c1793 ned_source_triple completed
Created at: April 10, 2026, 3:20 a.m.