Machine generated contents note: ch. 1 Semantic Enhancement of Electronic Health Records for Decision Support and Interactive Information Visualisation / A. Thompson -- ch. 2 Design and Implementation of a Semantic Dialogue System for Radiologists / Alexander Cavallaro -- ch. 3 Knowledge Maps for Campus IP Networks: From Relational Databases to Relationship-Centric Semantic Models / D. Zeng -- ch. 4 Semantic Web Approaches to the Extraction and Representation of Emotions in Texts / Pablo Gervas -- ch. 5 Dynamic Web of Trust in an Agent Community / Daniel G. Schwartz -- ch. 6 An Approach to Assist Developers to Annotate Web Services with Ontologies / Marcelo Campo.