The subject Semantic Web still remains more of a grand vision than an established reality. Foundations of the Semantic Web: XML, RDF, & Ontology presents overall vision of the future for the new Web. The aim of the text is to provide a solid treatment of the current state-of-the-art for the technologies involved. This book is well-organized and takes readers through the technologies and ideas underlying the Semantic Web. The book proceeds from a broad-spectrum discussion of the Semantic Web and progresses through various technologies such as XML, XML Schema, XPath, RDF, RDF Schema frameworks, Ontology, and then delivers current applications and potential future developments. The sequence builds in line with Tim Berner - Lee's layer cake diagram and explains concepts clearly. Each chapter ends with interesting exercises and Further Readings section that lists advance reference pointers.