BIOENGINEER

Projection-based KNN variants improve sentiment classification on small datasets

A computational study of six sentiment-analysis datasets found that OPIKNN and FOPIKNN improved average accuracy and macro F1 ...
BIOENGINEER

Cached Neighborhood Evidence Gives kNN Classifiers a Fairer, Faster Way to Handle Rare Classes

A new classifier called CABLE-kNN caches local neighborhood evidence during training and neutralizes class priors, beating ordinary kNN on imbalanced binary datasets while accelerating prediction by ...