Liu, Jian-Guo; Zhou, Tao; Che, Hong-An; Wang, Bing-Hong; … - In: Physica A: Statistical Mechanics and its Applications 389 (2010) 4, pp. 881-886
In this paper, we introduce a modified collaborative filtering (MCF) algorithm, which has remarkably higher accuracy than the standard collaborative filtering. In the MCF, instead of the cosine similarity index, the user–user correlations are obtained by a diffusion process. Furthermore, by...
