This book brings together research articles by active practitioners and leading researchers reporting new advances in the field of knowledge discovery. An overview of the field, saw the problems and challenges involved followed by coverage of the latest trends in data mining. Section II presents an important application of sophisticated data mining techniques in the domain of unconventional and complex, such as life sciences, worldwide web, image databases, cyber security and sensor networks. With a good balance of introductory material on the knowledge discovery process, advanced issues and the means of state-of-the-art and technique, this book will be useful for students at Masters and PhD degree in Computer Science, as well as practitioners in the field.