LNCS journal Transactions on Rough Sets is devoted to the entire spectrum of rough sets related issues, from logical and mathematical foundations, through all aspects of rough set theory and applications, such as data mining, knowledge discovery, and intelligent information processing, to relations between rough sets and approaches Another uncertainty, vagueness, and incompleteness, such as fuzzy sets and evidence theory. This book, which is the eighth volume of transactions on rough Sets series, contains a broad spectrum of contributions to the theory and application of rough sets.