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Mobile phones are increasingly able to read auto-id labels, such as barcodes or RFID tags. As virtually all consumer products sold today are equipped with such a label, this opens the possibility for a wide range of novel digital services building on physical products. In this paper, we discuss the problems that arise when such novel applications are deployed, and present a unified system architecture...
The EPC Network is a global RFID data sharing infrastructure based on standards that are built around the Electronic Product Code (EPC), an unambiguous numbering scheme for the designation of physical goods. The authors present the fundamental concepts and applications of the EPC Network, its integration with enterprise systems, and its functionality for data exchange between organizations in the...
The proliferation of radio frequency identification (RFID) systems in application domains such as supply chain management requires an IT infrastructure that provides RFID device and data management and supports application development. In this paper, we discuss these application requirements in detail. We also contend that the characteristics of passive RFID technology introduce constraints that are...
In a large scale distributed system with a large number of sensors interconnected through a wide-area network infrastructure, it is advantageous not to disseminate a query to all available sensors, but only to a subset of the most-relevant ones. We target an application scenario where mobile phones trace users' objects (which are equipped with small identification tags), distribute useful context...
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