This book covers the basics of semantic web technologies and indexing languages and describes
their contribution to improve methods of formal knowledge representation and reasoning. The
methodologies included combine the specifics of indexing languages Web representation
languages and intersystem relations and explain their contribution to search functionalities
in information retrieval scenarios. An example oriented discussion considering aspects of
conceptual and semantic interoperability in processes of subject querying and knowledge
exploration is provided. The book is relevant to information scientists knowledge workers and
indexers. It provides a suitable combination of theoretical foundations and practical
applications.