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In data stream management systems (DSMSs), data do not appear in the form of persistent relations, but rather arrives in multiple, continuous, rapid, time-varying streams. Achieving a good performance in these systems is still the main challenge. Minimizing run-time memory usage and response time are the most important performance issues. Choosing a better scheduling algorithm implies a better performance...
Wireless technology and its beneficial applications encourage users to use PDA, laptop, cell phone, etc to access data anytime and anywhere. In mobile database systems as a distributed system extra problems such as location dependent queries, validity of results are mooted. Semantic cache is of the best solutions proposed for query processing in which data and its semantic description are cached in...
Advances in wireless communication technologies and appearance of powerful portable computers, have led to the emergence of the mobile computing paradigm in which access to information resources is an ever-growing demand. Also, the mobile world has an abundance of options for shrinking databases for use on small devices such as PDAs. Different classes of mobile applications can be distinguished depending...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.