Triple

T5382747
Position Surface form Disambiguated ID Type / Status
Subject Southern Nevada E113127 entity
Predicate contains P35 FINISHED
Object Colorado River (Nevada segment)
The Colorado River (Nevada segment) is the stretch of the Colorado River that flows along and through southern Nevada, including the area impounded by Hoover Dam to form Lake Mead and providing critical water and hydroelectric resources to the region.
E519182 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: Colorado River (Nevada segment) | Statement: [Southern Nevada, contains, Colorado River (Nevada segment)]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Colorado River (Nevada segment)
Context triple: [Southern Nevada, contains, Colorado River (Nevada segment)]
  • A. Reno River
    The Reno River is a watercourse in northern Italy that flows through the Emilia-Romagna region, including the city of Bologna, before joining the Reno basin on its way toward the Adriatic Sea.
  • B. Mojave River
    The Mojave River is an intermittent river in the Mojave Desert of California that mostly flows underground and provides a crucial water source for the region’s arid ecosystems and communities.
  • C. Gunnison River
    The Gunnison River is a major tributary of the Colorado River in western Colorado, known for carving the dramatic Black Canyon and supporting recreation, irrigation, and hydropower in the region.
  • D. Humboldt River
    The Humboldt River is a major river in northern Nevada that flows westward across the Great Basin, serving as an important historical route and water source in an otherwise arid region.
  • E. Owyhee
    Owyhee is a small unincorporated community and census-designated place in northeastern Nevada, located on the Duck Valley Indian Reservation near the Idaho border.
  • 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: Colorado River (Nevada segment)
Triple: [Southern Nevada, contains, Colorado River (Nevada segment)]
Generated description
The Colorado River (Nevada segment) is the stretch of the Colorado River that flows along and through southern Nevada, including the area impounded by Hoover Dam to form Lake Mead and providing critical water and hydroelectric resources to the region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Colorado River (Nevada segment)
Target entity description: The Colorado River (Nevada segment) is the stretch of the Colorado River that flows along and through southern Nevada, including the area impounded by Hoover Dam to form Lake Mead and providing critical water and hydroelectric resources to the region.
  • A. Reno River
    The Reno River is a watercourse in northern Italy that flows through the Emilia-Romagna region, including the city of Bologna, before joining the Reno basin on its way toward the Adriatic Sea.
  • B. Mojave River
    The Mojave River is an intermittent river in the Mojave Desert of California that mostly flows underground and provides a crucial water source for the region’s arid ecosystems and communities.
  • C. Gunnison River
    The Gunnison River is a major tributary of the Colorado River in western Colorado, known for carving the dramatic Black Canyon and supporting recreation, irrigation, and hydropower in the region.
  • D. Humboldt River
    The Humboldt River is a major river in northern Nevada that flows westward across the Great Basin, serving as an important historical route and water source in an otherwise arid region.
  • E. Owyhee
    Owyhee is a small unincorporated community and census-designated place in northeastern Nevada, located on the Duck Valley Indian Reservation near the Idaho border.
  • 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_69bd4436a1988190af18dcff7fd306b4 completed March 20, 2026, 12:57 p.m.
NER Named-entity recognition batch_69bd86d163f88190939638d44fcb24a7 completed March 20, 2026, 5:41 p.m.
NED1 Entity disambiguation (via context triple) batch_69bf3a96fba481909659b13425951068 completed March 22, 2026, 12:40 a.m.
NEDg Description generation batch_69bf3bb122c881909556522c986d6783 completed March 22, 2026, 12:45 a.m.
NED2 Entity disambiguation (via description) batch_69bf3c1ad4d8819093aeb94f62eb1086 completed March 22, 2026, 12:47 a.m.
Created at: March 20, 2026, 2:03 p.m.