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This book constitutes the refereed proceedings of the ACM/IFIP/USENIX 12th International Middleware Conference, held in Lisbon, Portugal, in December 2011. The 22 revised full papers presented together with 2 industry papers and an invited paper were carefully reviewed and selected from 125 submissions. The papers are organized in topical sections on social networks, storage and performance management, green computing and resource management, notification and streaming, replication and caching, security and interoperability, and run-time (re)configuration and inspection.
Engineering & Applied Sciences --- Electrical & Computer Engineering --- Telecommunications --- Computer Science --- Information Technology --- Computer Science (Hardware & Networks) --- Computer science. --- Computer communication systems. --- Software engineering. --- Information storage and retrieval. --- Computers and civilization. --- Management information systems. --- Computer Science. --- Computer Communication Networks. --- Information Systems Applications (incl. Internet). --- Software Engineering. --- Information Storage and Retrieval. --- Management of Computing and Information Systems. --- Computers and Society. --- Computer-based information systems --- EIS (Information systems) --- Executive information systems --- MIS (Information systems) --- Sociotechnical systems --- Information resources management --- Management --- Civilization and computers --- Civilization --- Computer software engineering --- Engineering --- Communication systems, Computer --- Computer communication systems --- Data networks, Computer --- ECNs (Electronic communication networks) --- Electronic communication networks --- Networks, Computer --- Teleprocessing networks --- Data transmission systems --- Digital communications --- Electronic systems --- Information networks --- Telecommunication --- Cyberinfrastructure --- Electronic data processing --- Network computers --- Informatics --- Science --- Communication systems --- Distributed processing --- Information storage and retrieva. --- Information Systems. --- Information storage and retrieval systems. --- Automatic data storage --- Automatic information retrieval --- Automation in documentation --- Data processing systems --- Data storage and retrieval systems --- Discovery systems, Information --- Information discovery systems --- Information processing systems --- Information retrieval systems --- Machine data storage and retrieval --- Mechanized information storage and retrieval systems --- Computer systems --- Electronic information resources --- Data libraries --- Digital libraries --- Information organization --- Information retrieval --- Middleware --- Application software. --- Application computer programs --- Application computer software --- Applications software --- Apps (Computer software) --- Computer software
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This open access book provides insights into the novel Locally Refined B-spline (LR B-spline) surface format, which is suited for representing terrain and seabed data in a compact way. It provides an alternative to the well know raster and triangulated surface representations. An LR B-spline surface has an overall smooth behavior and allows the modeling of local details with only a limited growth in data volume. In regions where many data points belong to the same smooth area, LR B-splines allow a very lean representation of the shape by locally adapting the resolution of the spline space to the size and local shape variations of the region. The iterative method can be modified to improve the accuracy in particular domains of a point cloud. The use of statistical information criterion can help determining the optimal threshold, the number of iterations to perform as well as some parameters of the underlying mathematical functions (degree of the splines, parameter representation). The resulting surfaces are well suited for analysis and computing secondary information such as contour curves and minimum and maximum points. Also deformation analysis are potential applications of fitting point clouds with LR B-splines.
Information technology: general issues --- Geography --- Numerical analysis --- Mathematical & statistical software --- Surface Modeling --- Optimum Point Cloud Approximation --- Akaike Information Criterion --- LR B-Splines --- Contour Curves Determination --- Deformation Analysis --- Bathymetry data
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Lutte biologique --- Biological control --- Zone tropicale --- Tropical zones --- Caraïbes --- Caribbean --- Petites Antilles --- Lesser Antilles --- Agricultural pests --- Invertebrate pests --- Insect pests --- Caribbean Area --- Congresses --- Pests --- Inra --- Cta
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