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— Wireless communication technologies enable communication among different devices that are within a certain radius. Although, this radius is definite, communication when using wireless communication technologies is more flexible than when using wireline approach. This paper presents results from a measurement study where we measured energy consumption of(More)
In this article we propose a novel approach, enabled by software agents, in mobile service provisioning process: energy-efficient collaborative downloading. The main idea is that mobile users, represented with their agents and corresponding profiles, interested in the same content download some parts directly from a service server and others afterwards(More)
Recent technical advancements in computing devices and communication networks, combined with changes in the way people use Information and Communication Technology (ICT) systems, have transformed the ICT industry. In this paper, we present the Collaborative Urban Computing (CUC) paradigm which supports serendipitous cooperation between a set of users(More)
Today, telecom operators face a threefold challenge: a social challenge dealing with the evolution of the consumer lifestyle, a technological challenge dealing with ever changing ICT trends and a business challenge dealing with the need for innovative business models. This paper introduces an idea of group-oriented services, a special type of personalized(More)
It has been estimated that by the end of 2020 there will be 50 billion connected devices in Machine-to-Machine (M2M) networks. Such projections should encourage us to deal with the corresponding problems in heterogeneous M2M systems. First of all, devices can communicate through different access technologies (e.g. wireline, 2G/3G, WiFi, Bluetooth) and their(More)