The importance of semantics has been recognized in different areas of data and information management, including better access, exchange, interoperability, integration, and analysis of data. Semantics of data is about associating meaning to data, understanding what data represents, and improving the value of data. Ubiquitous and Pervasive Knowledge and Learning Management: Semantics, Social Networking and New Media to Their Full Potential presents an alternative view to ubiquitous and pervasive knowledge, architectural frameworks, and methodological issues, and introduces some of the major techniques and tools developed in the domain of ontology building, analysis, and semantic Web. Ubiquitous and Pervasive Knowledge and Learning Management: Semantics, Social Networking and New Media to Their Full Potential contributes to the revolutionary domain of semantic Web and information systems in the following aspects: vision, methodologies, tools, and applications.