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Society has grown increasingly reliant on technologies that allow the reproduction of both physical and abstract entities. The ease with which content can be copied has brought widespread benefits, however in many cases these benefits are also contingent on a suitable counter balance of content protection, allowing the process of copying to be restricted in certain circumstances. Dissemination of...
One of the exigent problems in wireless sensor networks is the recognition of network boundary and the detection of holes within the network. In this paper, we propose an algorithm in which every node in the network self-detects whether it is a boundary node or an inner node by utilizing the available connectivity information and making no assumptions about the location awareness. The algorithm is...
Environmental sensing is seen as key to understanding the physical processes that affect our lives. The collection of such data is used to enhance the decision making processes of governments, organizations and society as a whole in their future interactions with the planet. In order to be able to generate a global picture of the effects a physical phenomenon may have it is necessary to generate a...
The operation of a network of sensing devices on a global scale requires an architecture to support efficient node registration and querying across billions, if not trillions of nodes. Whilst our work to date has concentrated on the development of a worldwide sensor Web framework, a global data collection network architecture could also be applied to any effort involving data retrieval from geographically...
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