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This paper presents a novel mechanism that enables mobile devices to efficiently participate in Distributed Hash Tables (DHTs). By selectively dropping messages, we can significantly reduce traffic and thus the energy consumption of mobile nodes with only minor performance degradation. The protocol extension preserves compatibility with existing widely used DHT systems. We evaluate the solution by...
The following solution enables the mobile acquisition of sales and return operations on sales stalls and shop-in-shop systems. It takes advantage of the use of mobile devices and wireless communication for data transmission, so there is no need to install large and complex systems in the sales rooms. Thereby all information about sales and returns are available nearly in real-time to the central office...
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.