Triple

T21213946
Position Surface form Disambiguated ID Type / Status
Subject California portion of Truckee River Basin E522788 entity
Predicate borderCrossingPoint P4105 FINISHED
Object California–Nevada state line near Truckee River — 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: California–Nevada state line near Truckee River | Statement: [California portion of Truckee River Basin, borderCrossingPoint, California–Nevada state line near Truckee River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: California–Nevada state line near Truckee River
Context triple: [California portion of Truckee River Basin, borderCrossingPoint, California–Nevada state line near Truckee River]
  • A. California–Nevada state line at South Lake Tahoe
    The California–Nevada state line at South Lake Tahoe is a major interstate boundary in the Lake Tahoe region, marking the transition between the resort city of South Lake Tahoe in California and the casino-centered community of Stateline in Nevada.
  • B. California portion of Truckee River Basin
    The California portion of the Truckee River Basin is the upstream segment of the Truckee River watershed located within California, encompassing Lake Tahoe’s outflow and surrounding tributaries before the river crosses into Nevada.
  • C. California–Nevada border chosen
    The California–Nevada border is the state line in the western United States that divides California from Nevada, running through diverse landscapes including the Sierra Nevada and the Lake Tahoe region.
  • D. Nevada–Utah state line
    The Nevada–Utah state line is the boundary separating the U.S. states of Nevada and Utah, running through remote desert landscapes and near notable features such as the Bonneville Salt Flats.
  • E. Oregon–California border
    The Oregon–California border is the state line separating Oregon and California in the western United States, running from the Pacific coast inland across diverse terrain including mountains, forests, and river valleys.
  • 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_69e0b511ed84819099b449b4a111085c completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69e7347088488190aa764b3f4bbac44d completed April 21, 2026, 8:25 a.m.
Created at: April 16, 2026, 3:39 p.m.