Triple

T21670459
Position Surface form Disambiguated ID Type / Status
Subject Nevada–Arizona border E534829 entity
Predicate containsRiverSegment P165 FINISHED
Object Colorado River between Lake Mead and Lake Mohave — 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: Colorado River between Lake Mead and Lake Mohave | Statement: [Nevada–Arizona border, containsRiverSegment, Colorado River between Lake Mead and Lake Mohave]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Colorado River between Lake Mead and Lake Mohave
Context triple: [Nevada–Arizona border, containsRiverSegment, Colorado River between Lake Mead and Lake Mohave]
  • A. Colorado River near present-day Needles, California
    The Colorado River near present-day Needles, California is a key crossing point in the Mojave Desert that historically served as a vital water source and gateway for Indigenous peoples, explorers, and overland travel routes.
  • B. Colorado River (Nevada segment) chosen
    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.
  • C. Colorado River
    The Colorado River is a major waterway of the southwestern United States and northern Mexico, renowned for carving the Grand Canyon and serving as a crucial water source for arid regions and Indigenous communities.
  • D. Colorado River
    The Colorado River in Argentina is a major watercourse in the south-central part of the country that flows eastward from the Andes to the Atlantic Ocean, forming part of the boundary of Buenos Aires Province and supporting regional agriculture and irrigation.
  • E. Colorado River valley
    The Colorado River valley is a broad, scenic corridor carved by the Colorado River, known for its dramatic canyons, fertile floodplains, and vital role in the arid landscapes of the American West.
  • 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_69e0c46898008190aa618a4af55bd1ee completed April 16, 2026, 11:13 a.m.
NER Named-entity recognition batch_69ef8a0a9b4481909477245d53f99cb0 completed April 27, 2026, 4:08 p.m.
Created at: April 16, 2026, 6:37 p.m.