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An ever-increasing number of today's mobile applications take advantage of location-based services (LBS) in order to proactively notify mobile users about location-dependent content or to execute location-dependent actions once the user enters or leaves a dedicated zone. The proactive LBS are thereby responsible to track the user's position energy-efficiently in the background and to continuously...
Mobile cloud computing is a powerful technology for supporting the growing demand of mobile applications. Unfortunately, existing mobile cloud service architectures are imperfect since mobile devices are not considered as the available resources. In this paper, a general framework is proposed that regarding mobile devices as resources by introducing proxy. Differs from other architectures, this framework...
Using electronic transaction instead of manual ones is an easy way to facilitate business process automation. A cost effective option of introducing electronic transactions in public systems with high number of users is applying contactless cards and the related contactless infrastructure. The spreading of Near Field Communication (NFC) compatible mobile devices made relatively easy the implementation...
In the environment of Mobile Ad-hoc Networks (MANETs), devices can collaborate under the service-oriented architecture (SOA). However, as MANETs are infrastructure-less, devices may move randomly and join and leave the network at any time which leads to a permanently changing topology of the network. What adds to the unpredictability of the network is the limited resource of the nodes, including battery...
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