Author: Zixiao Ren

Motivation No doubt that everyone has the experience of shopping online nowadays, especially during the pandemic. There are nearly 2 million small and medium businesses worldwide selling on Amazon and over 4,000 items sold on Amazon per minute on average. However, although online shopping has brought a lot of convenience to our lives, it is […]

Introduction Sina Weibo is one of the most popular blogging services in China. The total user number of Sina Weibo now reaches 582 million this year. Factors affecting user activities have received significant attention from the research communities. Why is this important? Learning how user activities are affected could help the application provide more precise […]