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What is this book about? If you're a Java programmer working with XML, you probably already use some of the tools developed by the Apache Software Foundation. This book is a code-intensive guide to the Apache XML tools that are most relevant for Java developers, including Xerces, Xalan, FOP, Cocoon, Axis, and Xindice. Theodore Leung, a founding member of the Apache XML Project, focuses on the unique capabilities of these best-of-breed XML tools. With the help of a sample application, he demonstrates how you can use them in unison to develop professional XML/Java applications for the real world. If you need in-depth information to help you assemble a workable toolbox for developing sophisticated XML-based applications, you'll find it in this volume. What does this book cover? In this book, you will find out about the following: How the Apache XML Project relates to Java programming When you'll need some of Xerces' extra parsing features, like grammar caching How to use Xalan's XSLTC to compile XSLT stylesheets into Java Prerequisites and applications for FOP and Batik Cocoon concepts and development Development techniques and practical usage for Xindice How to develop back-end applications with XML RPC and Axis Applications and concepts for XML Security Who is this book for? This book is written for professional Java developers who have had some exposure to XML and XSLT. To get the most from it, you should be familiar with Java, Java Web development technologies (e.g., servlets), and the command line Java tools.

In 1989 the first edition of this book set out Gittins' pioneering index solution to the multi-armed bandit problem and his subsequent investigation of a wide of sequential resource allocation and stochastic scheduling problems. Since then there has been a remarkable flowering of new insights, generalizations and applications, to which Glazebrook and Weber have made major contributions. This second edition brings the story up to date. There are new chapters on the achievable region approach to stochastic optimization problems, the construction of performance bounds for suboptimal policies, Whittle's restless bandits, and the use of Lagrangian relaxation in the construction and evaluation of index policies. Some of the many varied proofs of the index theorem are discussed along with the insights that they provide. Many contemporary applications are surveyed, and over 150 new references are included. Over the past 40 years the Gittins index has helped theoreticians and practitioners to address a huge variety of problems within chemometrics, economics, engineering, numerical analysis, operational research, probability, statistics and website design. This new edition will be an important resource for others wishing to use this approach.

Power Quality (PQ) indices are a powerful tool for quickly quantifying PQ disturbances. They also serve as the basis for illustrating the negative impact of electrical disturbances on components and for assessing compliance with the required standards and recommendations within a regulating framework. Within these pages lies a comprehensive overview of both the traditional PQ indices in use today and new indices likely to be used in the future. Key features of this book include: a special focus on the metrics for quantifying PQ disturbances; a complete review of methods and indices for assessing disturbance responsibilities between customers and utilities; a survey on PQ objectives around the world, with highlights on the economic aspects of PQ disturbances. Inside, you will find a thorough and well-balanced treatment on theoretical concepts and practical applications, enhanced by examples and exercises of PQ indices computation and use. This is an important resource for academics, students of power quality, reliability and electrical power systems courses, and also for practicing engineers involved in solving PQ problems in the new structures of liberalised energy markets.