Triple

T22015604
Position Surface form Disambiguated ID Type / Status
Subject E. V. Spence Reservoir E543700 entity
Predicate operator P179 FINISHED
Object Upper Colorado River 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: Upper Colorado River Authority | Statement: [E. V. Spence Reservoir, operator, Upper Colorado River Authority]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Upper Colorado River Authority
Context triple: [E. V. Spence Reservoir, operator, Upper Colorado River Authority]
  • A. Lower Colorado River Authority
    The Lower Colorado River Authority is a Texas-based public utility and conservation agency that manages water resources, generates and transmits electricity, and oversees flood control and environmental stewardship along the lower Colorado River basin.
  • B. Colorado River Commission
    The Colorado River Commission was an interstate body formed in the early 20th century to represent basin states and negotiate the allocation and management of the Colorado River’s waters.
  • C. Northern Colorado Water Conservancy District
    The Northern Colorado Water Conservancy District is a public water agency that manages and delivers Colorado-Big Thompson Project water supplies to municipalities, industries, and agricultural users across northeastern Colorado.
  • D. Meewasin Valley Authority
    Meewasin Valley Authority is a conservation and development agency responsible for protecting, managing, and enhancing the river valley and natural spaces in and around Saskatoon, Saskatchewan.
  • E. Southeastern Colorado Water Conservancy District
    The Southeastern Colorado Water Conservancy District is a regional public agency responsible for developing, managing, and distributing water resources to support municipal, industrial, and agricultural needs in southeastern Colorado.
  • 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: Upper Colorado River Authority
Target entity description: The Upper Colorado River Authority is a regional water management agency in Texas responsible for conserving, developing, and managing surface water resources within the upper Colorado River basin.
  • A. Lower Colorado River Authority
    The Lower Colorado River Authority is a Texas-based public utility and conservation agency that manages water resources, generates and transmits electricity, and oversees flood control and environmental stewardship along the lower Colorado River basin.
  • B. Colorado River Commission
    The Colorado River Commission was an interstate body formed in the early 20th century to represent basin states and negotiate the allocation and management of the Colorado River’s waters.
  • C. Northern Colorado Water Conservancy District
    The Northern Colorado Water Conservancy District is a public water agency that manages and delivers Colorado-Big Thompson Project water supplies to municipalities, industries, and agricultural users across northeastern Colorado.
  • D. Meewasin Valley Authority
    Meewasin Valley Authority is a conservation and development agency responsible for protecting, managing, and enhancing the river valley and natural spaces in and around Saskatoon, Saskatchewan.
  • E. Southeastern Colorado Water Conservancy District
    The Southeastern Colorado Water Conservancy District is a regional public agency responsible for developing, managing, and distributing water resources to support municipal, industrial, and agricultural needs in southeastern Colorado.
  • 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_69e11e2db934819095556760c7d85e4d completed April 16, 2026, 5:36 p.m.
NER Named-entity recognition batch_69f127a774548190bcd98dc28f2d2c5f completed April 28, 2026, 9:33 p.m.
Created at: April 16, 2026, 8:22 p.m.