Triple

T21363049
Position Surface form Disambiguated ID Type / Status
Subject Plumas National Forest E526832 entity
Predicate containsFeature P182 FINISHED
Object Middle Fork Feather River Wild and Scenic 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: Middle Fork Feather River Wild and Scenic River | Statement: [Plumas National Forest, containsFeature, Middle Fork Feather River Wild and Scenic River]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Middle Fork Feather River Wild and Scenic River
Context triple: [Plumas National Forest, containsFeature, Middle Fork Feather River Wild and Scenic River]
  • A. Middle Fork Feather River chosen
    The Middle Fork Feather River is a major tributary of California’s Feather River system, flowing through the northern Sierra Nevada and contributing significant water and scenic canyon landscapes before reaching Lake Oroville.
  • B. Feather River headwaters
    The Feather River headwaters are the high-elevation source streams and wetlands in the mountains of Northern California that feed the Feather River, an important tributary of the Sacramento River and key component of the state’s water supply.
  • C. North Fork Feather River
    The North Fork Feather River is a major tributary of California’s Feather River, flowing through the northern Sierra Nevada and supporting regional hydroelectric power, recreation, and wildlife habitat.
  • D. South Fork Feather River
    The South Fork Feather River is a major tributary of the Feather River in Northern California, flowing through the Sierra Nevada and contributing significantly to regional water storage and hydroelectric power.
  • E. Feather River watershed
    The Feather River watershed is a major river basin in the northern Sierra Nevada of California that supplies water, hydroelectric power, and habitat to a wide region and forms a key part of the Sacramento River system.
  • 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_69e0b51d8a308190b09113b3b3f9bc15 completed April 16, 2026, 10:08 a.m.
NER Named-entity recognition batch_69ee5bae5eb88190be6d9ff4dc03d52b completed April 26, 2026, 6:38 p.m.
Created at: April 16, 2026, 5:08 p.m.