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Three new species of genus Chlaenius Bonelli subgenus Lithochlaenius Kryzhanovskij are described from China: Chlaenius chuanqianensis Liu & Liang, sp. n. (type locality: Xishui, Guizhou Province), Chlaenius linwensini Liu & Liang, sp. n. (type locality: Fujian Province), and Chlaenius propeagilis Liu & Kavanaugh, sp. n. (type locality: Gaoligongshan, Yunnan(More)
—Mobile cloud computing is a promising technique that shifts the data and computing service modules from individual devices to a geographically distributed cloud service architecture. A general mobile cloud computing system is comprised of multiple cloud domains, and each domain manages a portion of the cloud system resources, such as the Central Processing(More)
—Mobile cloud is a machine-to-machine service model, where a mobile device can use the cloud for searching, data mining, and multimedia processing. To protect the processed data, are performed in the cloud. In general, we can classify cloud security services in two categories: Critical Security (CS) service and Normal Security (NS) service. CS service(More)
In a quasi-synchronous frequency-hopping multiple-access system, relative time delay between different users within a zone around the origin can be allowed. Therefore, frequency-hopping sequence (FHS) sets with low-hit-zone (LHZ) have attracted great interest of many related scholars. Moreover, on account of the limited synchronous time or hardware(More)