Due to the security and scalability features of hybrid cloud architecture, it can better meet diverse requirements users for services. And a reasonable resource allocation solution is key adequately utilize cloud. However, most previous studies have not comprehensively optimized performance task scheduling, even ignoring conflicts between its privacy other requirements. Based on above problems,...

efficient and on-time maintenance plays a crucial role inreducing cost and increasing the market share of an industrial unit. preventivemaintenance is a broad term that encompasses a set of activitiesaimed at improving the overall reliability and availability of a systembefore machinery breakdown. the previous studies have addressed thescheduling of preventive maintenance. these studies have co...