användarobjektmatriser
Användarobjektmatriser, often translated as user-item matrices, are a fundamental concept in recommender systems and collaborative filtering. They are a data structure used to represent the interactions between users and items. In its simplest form, a user-item matrix is a two-dimensional array where rows represent users and columns represent items. The cells within the matrix contain a value indicating the relationship between a specific user and a specific item.
This value can take various forms depending on the type of interaction being modeled. It could be
The primary purpose of a user-item matrix is to facilitate the discovery of patterns and relationships. By