Triple

T21316769
Position Surface form Disambiguated ID Type / Status
Subject Prosser Creek Reservoir E525492 entity
Predicate partOf P40 FINISHED
Object Truckee River system — NE NERFINISHED

How this triple was built (2 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: Truckee River system | Statement: [Prosser Creek Reservoir, partOf, Truckee River system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Truckee River system
Context triple: [Prosser Creek Reservoir, partOf, Truckee River system]
  • A. Truckee River chosen
    The Truckee River is a prominent river in the western United States that flows from Lake Tahoe in the Sierra Nevada through Nevada to Pyramid Lake, providing vital water resources and recreational opportunities to the region.
  • B. Yuba River watershed
    The Yuba River watershed is the drainage basin in Northern California that collects and channels water from the Sierra Nevada into the Yuba River system.
  • C. Middle Fork American River
    The Middle Fork American River is a popular whitewater rafting and kayaking destination in California’s Sierra Nevada, known for its scenic canyon, challenging rapids, and historic gold-mining sites.
  • D. Yuba River
    The Yuba River is a major tributary of the Feather River in Northern California, known for its clear waters, historic gold-mining sites, and popular recreation areas in the Sierra Nevada foothills.
  • E. South Fork American River
    The South Fork American River is a major tributary of California’s American River in the Sierra Nevada foothills, renowned for its historical role in the Gold Rush and its popular whitewater rafting runs.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

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_69e0b51ad810819098c12392c8e55f6c completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e75dd0b34481909dd6d37cf8e42144 completed April 21, 2026, 11:21 a.m.
Created at: April 16, 2026, 4:34 p.m.