“…Do, Gatica-Perez [11] mine user pattern using mobile phone app usage, including mobile Web usage on mobile phone.Zheng V W, Cao B, Zheng Y, et [12] mined useful knowledge from many users' GPS trajectories based on their partial location and activity annotations to provide targeted collaborative location and activity recommendations for each user.Huang K, Zhang C, Ma X, et [13] use a variety of contextual information, such as last used App, time, location, and the user profile, to predict the user's App whether will be open. Pinyapong S, Kato T. [14] proposed the relationship between 3 factors which are time, place and purpose. In consequence, they have summarized the basic rules to analyze essential data and algorithms to query processing.…”