The present book 1 provides a rigorous treatment and coherent presentation of the consolidated results of the authors' work, over the past four years, on the employment of logic programming as a representational and reasoning tool. It comes out of a background of a world-wide research effort for at least the past six years on the...

You are holding the proceedings of the 8th International Workshop on the Economics of Grids, Clouds, Systems, and Services. This workshop brings together the research and practitioner communities active in the area of economics and computer science to address the emerging interest in infrastructure, platform, and software services....

It was a real pleasure to have taken part in organizing the 10th International Conference on Cryptography and Network Security (CANS 2011). It was held during December 10–12, 2011, at the International Asia Pacific Convention Center in Sanya, on the subtropical island of Hainan (China). CANS 2011 was sponsored by the National...

With the release of the iPad and the iOS 5, this latest release comes packed with some great new features and improvements to the various frameworks and contains over 1,500 new APIs. You will learn how to integrate iCloud storage and how to go about using the Facebook and the OpenGraph APIs, as well as applying the various image and...

With every successive release of iOS and its related hardware products, Apple and journalists the world over spout hyperbolic statements about “revolutionary” features, “insanely great” devices, and “unbelievable” sales. The numbers don’t disappoint, with hundreds of millions of iOS devices having...