Triple

T5487175
Position Surface form Disambiguated ID Type / Status
Subject Truckee River Operating Agreement E123610 entity
Predicate geographicScope P82 FINISHED
Object 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.
E522788 NE FINISHED

How this triple was built (4 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 portion of Truckee River Basin | Statement: [Truckee River Operating Agreement, geographicScope, California portion of Truckee River Basin]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: California portion of Truckee River Basin
Context triple: [Truckee River Operating Agreement, geographicScope, California portion of Truckee River Basin]
  • A. San Joaquin River Basin
    The San Joaquin River Basin is a major watershed in California’s Central Valley that drains the San Joaquin River and its tributaries, supporting extensive agriculture, ecosystems, and communities.
  • B. Sacramento River Basin
    The Sacramento River Basin is a major watershed in Northern California that drains the Sacramento River and its tributaries, supporting extensive agriculture, ecosystems, and water supply for the region.
  • C. Truckee River
    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.
  • D. Kaweah River watershed
    The Kaweah River watershed is a mountainous drainage basin in California’s southern Sierra Nevada that channels snowmelt and rainfall through steep canyons and forests before flowing into the San Joaquin Valley.
  • E. San Francisco River basin
    The San Francisco River basin is a watershed in Bogotá that drains the slopes of the Eastern Hills and channels water through part of the city’s urban area.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: California portion of Truckee River Basin
Triple: [Truckee River Operating Agreement, geographicScope, California portion of Truckee River Basin]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: California portion of Truckee River Basin
Target entity description: 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.
  • A. San Joaquin River Basin
    The San Joaquin River Basin is a major watershed in California’s Central Valley that drains the San Joaquin River and its tributaries, supporting extensive agriculture, ecosystems, and communities.
  • B. Sacramento River Basin
    The Sacramento River Basin is a major watershed in Northern California that drains the Sacramento River and its tributaries, supporting extensive agriculture, ecosystems, and water supply for the region.
  • C. Truckee River
    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.
  • D. Kaweah River watershed
    The Kaweah River watershed is a mountainous drainage basin in California’s southern Sierra Nevada that channels snowmelt and rainfall through steep canyons and forests before flowing into the San Joaquin Valley.
  • E. San Francisco River basin
    The San Francisco River basin is a watershed in Bogotá that drains the slopes of the Eastern Hills and channels water through part of the city’s urban area.
  • F. None of above. chosen

Provenance (5 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_69bd464a2d908190869324ce176779c8 completed March 20, 2026, 1:06 p.m.
NER Named-entity recognition batch_69bd92639b3481908845c280d334117f completed March 20, 2026, 6:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf48aa12708190add69c5fd51d161d completed March 22, 2026, 1:40 a.m.
NEDg Description generation batch_69bf4a2b6c508190ad13f6d9823ad747 completed March 22, 2026, 1:47 a.m.
NED2 Entity disambiguation (via description) batch_69bf4a87d1fc8190a0e0e75d6f9cd766 completed March 22, 2026, 1:48 a.m.
Created at: March 20, 2026, 2:10 p.m.