Introduction

Although data mining techniques have improved during the past decade, advances have also taken place in building data mining tools based on a variety of techniques for numerous applications. These application areas include marketing and sales, healthcare, medical, financial, E-commerce, multimedia and, more recently, security. Data mining has evolved from multiple technologies, including data management, data warehousing, machine learning, and statistical reasoning; one of the major challenges in the development of data mining tools is to eliminate false positives and false negatives.