Triple

T22828879
Position Surface form Disambiguated ID Type / Status
Subject Lake Lahontan E565741 entity
Predicate modernHydrologicRemnant P126532 FINISHED
Object Carson River–Carson Sink system — 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: Carson River–Carson Sink system | Statement: [Lake Lahontan, modernHydrologicRemnant, Carson River–Carson Sink system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Carson River–Carson Sink system
Context triple: [Lake Lahontan, modernHydrologicRemnant, Carson River–Carson Sink system]
  • A. Amargosa River basin
    The Amargosa River basin is an arid watershed in the Mojave Desert known for its intermittent river, unique desert ecosystems, and rare oases supporting specialized wildlife.
  • B. Carson River Canyon
    Carson River Canyon is a scenic river gorge in western Nevada known for its historic association with the Virginia and Truckee Railroad and its dramatic rugged landscapes.
  • C. East Fork Carson River
    The East Fork Carson River is a major tributary of the Carson River in California and Nevada, known for its scenic alpine headwaters, whitewater recreation, and importance to the hydrology of Carson Valley.
  • D. Colusa Basin Drain
    Colusa Basin Drain is an engineered waterway in California that collects agricultural drainage and floodwaters from the Colusa Basin and conveys them toward the Sacramento River.
  • E. Carson Valley
    Carson Valley is a scenic agricultural and residential valley in western Nevada known for its ranching heritage, mountain views, and proximity to the eastern Sierra Nevada.
  • 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: Carson River–Carson Sink system
Target entity description: The Carson River–Carson Sink system is an endorheic river–basin complex in western Nevada where the Carson River terminates in the Carson Sink, forming one of the principal remnants of the prehistoric Lake Lahontan.
  • A. Amargosa River basin
    The Amargosa River basin is an arid watershed in the Mojave Desert known for its intermittent river, unique desert ecosystems, and rare oases supporting specialized wildlife.
  • B. Carson River Canyon
    Carson River Canyon is a scenic river gorge in western Nevada known for its historic association with the Virginia and Truckee Railroad and its dramatic rugged landscapes.
  • C. East Fork Carson River
    The East Fork Carson River is a major tributary of the Carson River in California and Nevada, known for its scenic alpine headwaters, whitewater recreation, and importance to the hydrology of Carson Valley.
  • D. Colusa Basin Drain
    Colusa Basin Drain is an engineered waterway in California that collects agricultural drainage and floodwaters from the Colusa Basin and conveys them toward the Sacramento River.
  • E. Carson Valley
    Carson Valley is a scenic agricultural and residential valley in western Nevada known for its ranching heritage, mountain views, and proximity to the eastern Sierra Nevada.
  • 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_69e24585ab1c81909b2b5065d15805d5 completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f17e2a0e308190941064965346f890 completed April 29, 2026, 3:42 a.m.
Created at: April 17, 2026, 3:34 p.m.