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Advances in hardware development enable the creation of tiny and inexpensive sensor network devices which are widely disseminated in our daily life, and take a significant role in developing ubiquitous sensor networks (USNs). As the architecture of the sensor networks becomes to rely on the applications more heavily, we believe that it is considerably important to come up with USN middleware which...
Radiofrequency identification (RFID) technology has been adopted in various supply chain management applications because of its fast and low-cost ability to identify items uniquely. In this paper, we consider the integration of a wireless sensor network (WSN) with RFID to provide item-level inventory monitoring in retail stores. First, we present a basic formulation for RFID-based item-level inventory...
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