04:00
2026-07-22
machinebrief.com
machine-learning
A Classifier That Teaches Itself: Self-Improving, Frozen-gate Training (SIFT) for Dynamic Document Classification
Researchers present SIFT (Self-Improving, Frozen-gate Training), a dynamic classifier service that uses a cheap CPU-bound pipeline with a SPLADE sparse encoder and LightGBM head, escalating low-confid…