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The availability of large volumes of Semantic Web data has created the potential of discovering vast amounts of knowledge. Semantic relation discovery is a fundamental technology in analytical domains, such as business intelligence and homeland security. Because of the decentralized and distributed nature of Semantic Web development, semantic data tend to be created and stored independently in different...
Interference has been proven to have an effect on the performance in wireless mesh networks (WMN). Using multichannels can improve the performance of WMNs by reducing interference influence. In this paper, we study how to design a robust WMN for a set of mesh nodes, each with Q Networking Interface Cards (NICs) and pre-defined connection requests. Our scheme aims to construct an interference-aware...
Wireless Mesh Networks represent a promising technology to provide wireless Internet connectivity over a large community. This new technology not only allows a fast, easy and inexpensive network deployment, but also enables many new applications including community-scale peer-based communication or sharing of network resources and services. In this work, we propose an effective publish/subscribe communication...
Due to the rapid development of mobile computing technology and social network service, mobile social network emerges as a new network paradigm, which significantly facilitates the communication and resource sharing between mobile clients/users that are socially interconnected. However, the functionality and security of such networks would be potentially undermined without an effective trust management...
Mobile ad hoc social networks are self-configuring social networks that connect users using mobile devices, such as laptops, PDAs, and cellular phones. These social networks facilitate users to form virtual communities of similar interests or commonalities. This paper proposes a concrete, generalized, and novel framework to develop a fully functional mobile ad hoc social network. The proposed framework...
Snapshot is usually applied in p2p network topology analysis. In this paper, we develop the topology crawler software to probe the PPLive application. Based on the measured trace, we characterize the PPLive topology with metrics including degree distribution, clustering coefficient, network diameter, characteristic path length, connectivity matrix and reciprocity coefficient. In additional, we also...
With the rapid growth of semantic Web, more and more semantic Web data are generated and widely used. Efficient search and management of the semantic Web data is becoming a very important issue. In this paper, we present semantic Web data indexing scheme over a fully decentralized P2P network. Ontological knowledge is decomposed into atomic elements and then indexed with a distributed hash table (DHT)...
With the rapid growth of grid computing, more and more data are generated and stored across the grid. To fully utilize the data, efficient data search and query answering mechanism is becoming a very important issue. However, the heterogeneity and sheer amount of data poses issues that current technology cannot cope with efficiently. In this paper, we propose novel techniques that can greatly reduce...
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