Push technology as a proactive type of information acquisition method of communication, it has an effective way to achieve personalized information services. However, the effect of push technology is general in personalized service practice. Push technology still not resolved its two historical problems, which are user reasonable classification and update user interest. Facing these problems, this paper proposed a new method called information of three-dimensional concrete, and based on this new method, with reasonable mathematical methods, the authors proposed reasonable interest of users upd...
