Triple

T21073969
Position Surface form Disambiguated ID Type / Status
Subject Colorado River (Nevada segment) E519182 entity
Predicate waterSourceFor P4102 FINISHED
Object Southern Nevada Water Authority — 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: Southern Nevada Water Authority | Statement: [Colorado River (Nevada segment), waterSourceFor, Southern Nevada Water Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Southern Nevada Water Authority
Context triple: [Colorado River (Nevada segment), waterSourceFor, Southern Nevada Water Authority]
  • A. Truckee Meadows Water Authority
    Truckee Meadows Water Authority is a public water utility that manages and delivers drinking water to the Truckee Meadows region around Reno, Nevada.
  • B. Nevada Division of Water Resources
    The Nevada Division of Water Resources is the state agency responsible for managing, allocating, and overseeing the use of Nevada’s water resources, including rivers, groundwater, and water rights administration.
  • 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. 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.
  • E. Truckee-Carson Irrigation District
    The Truckee-Carson Irrigation District is a water management agency in western Nevada that operates and maintains irrigation and drainage systems, primarily serving agricultural lands in the Truckee and Carson River basins.
  • 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: Southern Nevada Water Authority
Target entity description: The Southern Nevada Water Authority is a regional agency that manages and delivers drinking water to the Las Vegas Valley and surrounding communities, overseeing conservation, infrastructure, and long-term water resource planning.
  • A. Truckee Meadows Water Authority
    Truckee Meadows Water Authority is a public water utility that manages and delivers drinking water to the Truckee Meadows region around Reno, Nevada.
  • B. Nevada Division of Water Resources
    The Nevada Division of Water Resources is the state agency responsible for managing, allocating, and overseeing the use of Nevada’s water resources, including rivers, groundwater, and water rights administration.
  • 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. 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.
  • E. Truckee-Carson Irrigation District
    The Truckee-Carson Irrigation District is a water management agency in western Nevada that operates and maintains irrigation and drainage systems, primarily serving agricultural lands in the Truckee and Carson River basins.
  • 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_69e0b506e59c8190849b71ed07929215 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e702d491a08190a9f5f28c0b72d38c completed April 21, 2026, 4:53 a.m.
Created at: April 16, 2026, 2:48 p.m.