This volume responds to the need that by describing the rich semantic data model for semistructured data, called Object-Relationship-attribute model for semistructured data (ORA-SS). Focusing on this new model, this book discusses the problems and present solutions to a number of topics, including the extraction scheme, the design of non-redundant storage of semistructured data, and physical database design semsitructured, among others. Semistructured Database Design presents researchers and professionals to research the most complete and up-to-date in this rapidly growing field.