The present treatise spread in 79 contributions from the experts covers the following topics; Data Mining and Information Retrieval; Information Processing and Pattern Recognition; Software Engineering; Web Services; Networks and Optimization; Algorithms; Soft Computing; Bio and Medical Informatics; Prof. L.M. Patnaik is the Vice Chancellor of Defence Institute of Advanced Technology, Pune, India. He has been a Professor since 1986 with the Department of Computer Science and Automation, Indian Institute of Science, Bangalore. K.R. Venugopal is serving as the Principal and Dean of Engineering at University Visvesvaraya College of Engineering, Bangalore University, Bangalore.