knn.rst

k-NN Collaborative Filtering

LKPY provides user- and item-based classical k-NN collaborative Filtering implementations. These lightly-configurable implementations are intended to capture the behavior of the Java-based LensKit implementations to provide a good upgrade path and enable basic experiments out of the box.

Item-based k-NN

lenskit.algorithms.item_knn

ItemItem

User-based k-NN

lenskit.algorithms.user_knn

UserUser