Web services based on the eXtensible Markup Language (XML), the Simple Object Access Protocol (SOAP), and related standards, and deployed in Service-Oriented Architectures (SOA), are the key to Web-based interoperability for applications within and across organizations. It is crucial that the security of services and their interactions with...

Concepts like ubiquitous computing and ambient intelligence that exploit increasingly interconnected networks and mobility put new requirements on data management. An important element in the connected world is that data will be accessible anytime anywhere. This also has its downside in that it becomes easier to get unauthorized data...

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...

This book presents information on how to analyze risks to your networks and the steps needed to select and deploy the appropriate countermeasures to reduce your exposure to physical and network threats. It also imparts the skills and knowledge needed to identify and counter some fundamental security risks and requirements, inlcuding Internet...