KNN Algorithms

Basic Similarity Measure

State-of-the-art Similarity Measure

Effective Missing Value Prediction

Online Recommender System

• Slope One Predictor
• Tendency Based CF
• Incremental Approach for Collaborative Filtering in Streaming Scenarios (ECIR 2018)

Matrix Factorization

Diversity in Recommendation

Content based Filtering

Attacks on Recommender System