???????????????

????2.????K-means????????????????????

????1).д????N??????X=(x1?? ... xN)?????k???k_means??????????????;

????2).????K-means????????????;

????3).??Kmeans???????????Expectation-Maximization(EM)?????????????衣

????4).??α???????????MPI????HADOOP??Kmeans????????

????????????http://blog.csdn.net/luoweifu/article/details/12685169??

????10??13??????2014У??????з???????

?????.?????

????1.???????????洢????????????Σ?????????????????????????Ч???

????2.???????????????α??????ζ???????е??

????3.????TCP??UDPЭ???????????HTTP?????????о?HTTP???????????????????????

??????.??????????

????1.??????????????????? char *reverse_str(char *str)???????????????

????2.??????????????(1??(2??3)??(4??(5??6)??7))????????(1??2??3??4??5??6??7)???????????????????????????(c/c++)

????3.???C???????htonl(??long?????????????)??????????????????

??????.???????

??????????????????????C?????????????????

????1.??ζ?????????

????2.??δ??????????????

????3.????????????

????????????http://blog.csdn.net/cocoarannie/article/details/12691025??