This book is a collection of extended chapters from the selectedpapers that were published in the proceedings of Science and Information (SAI) Conference2015. It contains twenty-one chapters in the field of ComputationalIntelligence, which received highly recommended feedback during SAI Conference2015 review process. During the three-day event 260 scientists, technologydevelopers, young researcher including PhD students, and industrialpractitioners from 56 countries have engaged intensively in presentations,demonstrations, open panel sessions and informal discussions.