Service Science, Management, and Engineering:

Chapter 5

Recommendation Algorithms for Implicit Information

Xinxin Bai*, Jinlong Wu^†, Haifeng Wang*, Meng Zhang*, Jun Zhang*, Yuhu Fu*, Xiaoguang Rui*, Wenjun Yin* and Jin Dong*

^*IBM Research – China, Beijing, China

^†IBM Research – China, Beijing, China and Peking University, Beijing, China

5.1 Introduction

With the rapid development of data storage technology and further product or service (called item uniformly in this chapter) diversification, many types of enterprises, such as e-commerce and retail enterprises, have been accumulating more and ...