Data sparseness brings significant challenges to the research of recommender systems. It becomes more severe for neighborhood-based collaborative filtering.We introduce the trust relation computing of
A low-power high-linearity Analog frontend(AFE) composed by a Digital-to-analog converter(DAC) and a Low-pass filter(LPF) is proposed in this paper for Zig Bee
The task of real-time microblog filtering is to decide if the subsequently posted tweets are relevant to a given query representing special information needs. The filters based on the retrieval model