Book Foreword

Case Studies Are for Communication and Collaboration
Data mining or data analysis in general has become more and more important, since large amounts of data are available and open up new opportunities for enhanced empirical sciences, planning and control, and targeted marketing and information services. Fortunately, theoretically well-based methods of data analysis and their algorithmic implementations are available. Experienced analysts put these programs to good use in a broad variety of applications. However, the successful application of algorithms is an art! There is no mapping from application tasks to algorithms, which could determine the appropriate chain of operators leading from the given data to the desired result of the analysis but there are examples of such processes. Case studies are an easy way of communicating smart application design. This book is about such case studies in the fi eld of data analysis.

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Prof. Dr. Katharina Morik (TU Dortmund, Germany)