The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
This paper proposes a novel middleware for service selection in mobile ad-hoc networks with a particular focus on scenarios immediately and subsequently afterwards an emergency. The proposed middleware, operating on a mobile user’s hand-held device and collecting the user’s contexts through machine-to-machine connectivity, has three major contributions as compared to the current literature. The middleware,...
The evolution of mobile technologies allows the emerging of ubiquitous systems, able to anticipate user needs and to seamlessly adapt to context changes. These systems present the problem of dynamic adaptation in a highly distributed, heterogeneous and volatile environment, since it may be difficult to collect and process context information from distributed unknown sources. In order to facilitate...
Location-aware smart phones support various location-based services (LBSs): users query the LBS server and learn on the fly about their surroundings. However, such queries give away private information, enabling the LBS to identify and track users. We address this problem by proposing the first, to the best of our knowledge, user-collaborative privacy preserving approach for LBSs. Our solution, MobiCrowd,...
This paper describes a cost-effective infrastructure and implementation for creating dynamic, scalable context-aware networks for collaboration and interaction amongst multiple parties. The infrastructure combines auto-detection and network presence sensing, hybrid peer-to-peer and client-server architectures, autonomous connection negotiation, and real-time web-based interactivity to provide a rich...
The paper describes a model for an Ad-hoc Distributed Multi-player Turn-based Game which operates over the IMS Platform utilizing IMS service capabilities. The paper defines a model, wherein Server-based functionalities of the Turn-based games are distributed across all the Nodes involved in the game thus eliminating need for a Server & de-centralizing the System. A Node is an IMS Device with...
A challenge in the convergence of heterogeneous networks is how to combine the ubiquitous resources and provide the diversified individual services. By this, the vision of adaptive and context-aware service provision becomes possible and offers new opportunities for pervasive computing. In this paper, we describe an approach that addresses the convergence of wireless personal area and wide area networks...
Social networking service for mobile devices is presented and evaluated. The operating principle of the service is inspired by human-like cumulative gossiping. The usage of the service is browser based and implementation utilises standard ad hoc communication between smartphones. The cumulative gossiping protocol is built on the service level and on top of the existing ad hoc communication method...
The pervasive computing world in which the context-aware applications are aimed at is constituted of multiple network environments, e.g. ad hoc, mobile and fixed. There exist specialized Context Management Systems (CMSs) addressing context management needs of every network environment and the existence of a single CMS catering all the network environments does not seem to be plausible. Placing CMS...
This paper is focused in a mobile ad hoc network, where, the nodes can be in/out of it at any time. Furthermore, the interaction of processes running on different nodes result in the creation of new tasks, named as coordinated tasks. The execution of these new tasks requires the on-line reconfiguration of the nodes. Such reconfiguration involves the scheduling of new processes. In this work, this...
In this paper we introduce a novel scenario for environmental sensing based on the combination of simple and cheap RFID-based sensors and mobile devices like mobile phones with integrated RFID readers. We envision a system that exploits the availability of these devices to cooperatively read sensors installed in the environment, and transmit the data to a server infrastructure. To achieve quality...
Evolving device capabilities and network technologies make the seamless combination of personal area and wide area networks capable and desirable to exploit advantages of each of the environments. By this, the vision of adaptive and context-aware service provision becomes possible and offers new opportunities for pervasive computing. In this paper, we describe an approach that addresses the convergence...
In this paper we present a context-aware data sharing service over MANet to enable spontaneous collaboration between mobile workers. Context information is used to adapt services and applications to user situation as well as working groups situation. The paper first presents the data sharing system. It then describes the context awareness service. We explain how data sharing uses context information...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.