Triple

T13776217
Position Surface form Disambiguated ID Type / Status
Subject Colorado River Aqueduct E331013 entity
Predicate operator P179 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: [Colorado River Aqueduct, operator, 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. Contra Costa Water District
    Contra Costa Water District is a public water agency in California that supplies drinking and irrigation water to communities in and around Contra Costa County.
  • 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_69d81c583b0081909e408a17db517a21 elicitation completed
NER batch_69de0238bdbc8190a946e6e5431632a5 ner completed
NED1 batch_69f7b07460c081908b3836a3ec382961 ned_source_triple completed
Created at: April 9, 2026, 10:10 p.m.