Given a set of users’ preferences and items, recommend a subset of the items to each user in order to maximize the number of preferred items. A recommender system (or recommendation system) is a software application that predicts the “rating” or “preference” that a user would give to an item.
Recommender systems are widely used in movies, news, research articles, products, social tags, music, etc. if there is any type of information involved. Recommender systems are utilized in a variety of areas including movies, music, news, books, research articles, search queries, social tags, and products in general. There are also recommender systems for experts/people and collaborative/content filtering techniques used in these systems. The following is a list of the 8 most popular C# Recommender System libraries in 2022.