The subject matter discloses a method for exploring the most relevant data items, or pieces of information from data sources of various forms and sizes, using the accumulated formalized and clustered behavior of previous users combined with an effective analysis and learning system. According to some embodiments, users are presented with data items that may interest them and are encouraged to rank these data items in order to improve the system's suggestions. The system may also pose the user a selection of questions, meant to further discern the user's preferences.