Triple

T19780249
Position Surface form Disambiguated ID Type / Status
Subject East Bay Municipal Utility District E475111 entity
Predicate operatesFacility P4904 FINISHED
Object Mokelumne Aqueducts — NE NERFINISHED

How this triple was built (3 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: Mokelumne Aqueducts | Statement: [East Bay Municipal Utility District, operatesFacility, Mokelumne Aqueducts]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Mokelumne Aqueducts
Context triple: [East Bay Municipal Utility District, operatesFacility, Mokelumne Aqueducts]
  • A. Los Angeles Aqueduct
    The Los Angeles Aqueduct is a major early-20th-century water conveyance system that transports water from California’s Owens Valley to the city of Los Angeles, profoundly shaping the region’s growth and sparking enduring environmental and political controversies.
  • B. Fannin-McFarland Aqueduct
    Fannin-McFarland Aqueduct is a major water conveyance canal in Arizona that forms part of the Central Arizona Project system delivering Colorado River water to central and southern Arizona.
  • C. Hetch Hetchy Aqueduct
    The Hetch Hetchy Aqueduct is a major water conveyance system that transports drinking water from the Hetch Hetchy Reservoir in Yosemite National Park to the San Francisco Bay Area.
  • D. Colorado River Aqueduct
    The Colorado River Aqueduct is a major water conveyance system that transports Colorado River water across the desert to supply Southern California’s cities and agricultural areas.
  • E. North Bay Aqueduct
    The North Bay Aqueduct is a key water conveyance facility in California that delivers State Water Project supplies to communities in Solano and Napa counties.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Mokelumne Aqueducts
Target entity description: The Mokelumne Aqueducts are a major water conveyance system in California that transports drinking water from the Sierra Nevada foothills to the San Francisco Bay Area.
  • A. Los Angeles Aqueduct
    The Los Angeles Aqueduct is a major early-20th-century water conveyance system that transports water from California’s Owens Valley to the city of Los Angeles, profoundly shaping the region’s growth and sparking enduring environmental and political controversies.
  • B. Fannin-McFarland Aqueduct
    Fannin-McFarland Aqueduct is a major water conveyance canal in Arizona that forms part of the Central Arizona Project system delivering Colorado River water to central and southern Arizona.
  • C. Hetch Hetchy Aqueduct
    The Hetch Hetchy Aqueduct is a major water conveyance system that transports drinking water from the Hetch Hetchy Reservoir in Yosemite National Park to the San Francisco Bay Area.
  • D. Colorado River Aqueduct
    The Colorado River Aqueduct is a major water conveyance system that transports Colorado River water across the desert to supply Southern California’s cities and agricultural areas.
  • E. North Bay Aqueduct
    The North Bay Aqueduct is a key water conveyance facility in California that delivers State Water Project supplies to communities in Solano and Napa counties.
  • F. None of above. chosen

Provenance (2 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_69d8e51a43a08190956bc6df13c91a77 completed April 10, 2026, 11:55 a.m.
NER Named-entity recognition batch_69e65382ff308190832800dd60675f7a completed April 20, 2026, 4:25 p.m.
Created at: April 10, 2026, 1:49 p.m.