This book on computer and information science deals with the use of high-speed computing technologies for the storage, retrieval and manipulation of information. Data engineers create and maintain conceptual data warehouses that can perform specific functions with the data stored by an organization. Functions for ensuring data quality are validation, sorting, summarization, aggregation, analysis and classification of computer data. This book elucidates the concepts and innovative models around prospective developments with respect to computer and information science. It presents researches and studies performed by experts across the globe. This book is an essential guide for both academicians and those who wish to pursue this discipline further.