As information filtering services, recommender systems have extremely enriched our daily
life by providing personalized suggestions and facilitating people in decision-making, which …

Aiming at the problem of similarity calculation error caused by the extremely sparse data in
collaborative filtering recommendation algorithm, a collaborative filtering recommendation …

Modern recommendation systems can be broadly divided into two key stages: the ranking
stage, where the system predicts various user engagements (eg, click-through rate, like rate …