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Density peak (DP) based clustering algorithm is a recently proposed clustering approach and has been shown to be with great potential. This algorithm is based on the simple assumption that cluster centers have high local density and they are relatively far from each other. This observation is used to isolate cluster centers from other data. By making use of the density relationship among neighboring...
Cache prefetching is a highly effective technique for improving I/O performance of disk array. A semantic-aware cache prefetching mechanism is designed to improve cache hit rate of disk array. The mechanism can identify some important properties of each block on the disk, and utilize that information to determine whether the block is live or dead. The allocation status (live or dead) of block is a...
With the development of economic globalization, more attention has been paid to cross-cultural study of consumption behavior. Mobile data services speed up the development in China after the issuance of 3G licenses. Impact of different cultural backgrounds on the consumption behavior of mobile data services must be considered when comparing their developments in China with those in other countries...
The telecommunications policy and industry development in China have attracted sizable interests. However, there is a lack of empirical studies to evaluate the effect of China's telecommunications reform and restructure. In line with most scholars opinions, we believe that telecommunications restructure in China began in 1994 and has become ldquovery dramatic and far-reachingrdquo since 1998. We treat...
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