This volume constitutes the refereed proceedings of the Third IFIP WG 11.2 International Workshop on Information Security Theory and Practice: Smart Devices, Pervasive Systems, and Ubiquitous Networks, WISTP 2009 held in Brussels, Belgium in September 2009.
The 12 revised full papers presented were carefully reviewed and selected from 27 submissions for inclusion in the book; they are organized in topical sections on mobility, attacks and secure implementations, performance and security, and cryptography.

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This book constitutes the thoroughly refereed post-conference proceedings of the 6th International Workshop on Programming Multi-Agent Systems, ProMAS 2008, held in Estoril, Portugal, in May 2008 as an associated event of AAMAS 2008, the 7th International Joint Conference on Autonomous Agents and Multiagent Systems.
The 12 revised full papers presented together with 1 invited lecture address current issues in the areas of agent platforms, environment and interaction, agent programming languages, and analysis of MAS. The papers are organized in topical sections on agent programming languages, multi-agent systems frameworks, as well as agent environments and tools. The volume is concluded with a selection of 6 short papers related to the Agent Contest 2008 that has been organized since 2006 in conjunction with ProMAS.

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This revised and updated text presents the computational and mathematical procedures underlying data collection, image reconstruction, and image display in computerized tomography. New topics: the fast calculation of a ray sum for a digitized picture, the task-oriented comparison of reconstruction algorithm performance, blob basis functions and the linogram method for image reconstruction. Read the rest of this entry