A discussion about the mode of keeping the public security order in construction of new socialist countryside——From the case of Enshi “Security centre family”;

The design idea of "user-centered" makes the designer begin paying more attention to the products user —the side of people, and to design more humanized product has been become the long goal of the designer, but how can the designer really understand the user? Meanwhile, the design process is more and more complicated and the design range is more and more enormous.

The main reason for this is that the strong follow-up effect and the comprehensive functions of Beijing as political center have not been properly realized.

The northern part of China is the political center of Ming Dynasty.

As a province-level administrative area,Ling Nan Xi Dao was set up in order to control non-Han nationality of southwest Guangxi in the late Tang Dynasty,its political center was located in Yong Zhou,and lasted for a short time.

The shift of a political centre in a state power(including national local power)should make a sond judgment to its shifted ownership of the territory.

In order to integrate them tightly for the real application,with two types of algorithm analysis,the commonness and peculiarities between comprehensive evaluation and data mining are reviewed,an algorithm to improve performance of evaluation system using data mining theory is presented,and a user-centered AHP(Analytic Hierarchy Proces.

Finally,a corresponding prototype called user-centered desktop navigation system(UCDN)is developed.