This book introduces you to several concepts of data mining and their practical implementation. It is written for the students of Indian Universities. You can also use this book as a self-study guide to learn data mining technologies. The book is suitable for a wide range of audiences and provides illustrations, tables, algorithms, and examples to understand the concepts and theories of data mining. In addition, this book consists of real-life case studies for implementing data mining in several fields. This book starts with the basic concept of data mining and covers advanced topics in data mining such as text, web and special data mining and also discusses implementing data mining concepts in real-life situations using various software such as SQL Server 2000, Poly Analyst, Sinope Summarizer and click Tracks.