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People-centric participatory sensing empowers people to collect and share sensor data using mobile devices across many applications. These people-centric services utilize a client-server architecture to provide meaningful information to different participating people. In this paper we present the COSN framework that provides people-centric services without relying on an infrastructure and dedicated...
The application-oriented IoT is an integration of various kinds of technologies, rapidly developing in the globe. To ensure the quality its practical use, it is necessary to research its QoS architecture. We summarize QoS requirements through analysis of characteristic of IoT application service, transmission network, perception in this paper. Then we propose a QoS architecture based on IoT layered...
The problem of integrating the ad hoc networks and especially the Wireless Sensor Networks (WSN) with the Internet has attracted significant research and implementation efforts so far. Admittedly, not all of them have been widely adopted and established as prevalent standards or solutions in this technical area. In this paper we survey the proposed interconnection models and the relevant architectures...
Recent advances in mobile, wireless, and sensor technologies provide new possibilities for supporting learning activities that can be spatially distributed and incorporate different physical and environmental sensory data. In this paper, we present our technical efforts in relation to the design and implementation of mobile and web applications that integrate sensory data used to support inquiry-based...
The objective of this invited talk is to present selected visions of ubiquitous computing and ambient communication based on the notion of the disappearing computer and to reflect on the resulting challenges for designing experiences in future smart environments. Our approach places the human at the centre of our design considerations and is based on exploiting the affordances of real objects by augmenting...
In this paper, we present a new technique to improve the reliability of H-tree SRAM memories. This technique deals with the SRAM power-bus monitoring by using built-in current sensor (BICS) circuits that detect abnormal current dissipation in the memory power-bus. This abnormal current is the result of a single-event upset (SEU) in the memory and it is generated during the inversion of the state of...
An ageing population is now the leading healthcare concern of many countries in the world. Aged patients need more healthcare efforts as they present more cases of chronic illnesses involving higher healthcare costs. e-Health systems based on modern information technology are expected to play a role in alleviating this problem. Fortunately, there have been dramatic advances in healthcare technology...
Information privacy is usually concerned with the confidentiality of personally identifiable information (PII), such as electronic medical records. Nowadays, Web services are used to support different applications which may contain PII, such as healthcare applications. Thus, the information access control mechanism for Web services must be embedded into privacy-enhancing technologies. Further as application...
Huge interest and demand on information superhighway have pressed various telecommunications research fronts and lead to a new form of future Internet consisting of wired and wireless segments where resource-constrained devices such as palm pilots and sensors may become integral parts of the Internet rather than access-only platforms. One of the key design problems is the security in such heterogeneous...
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