Constitutes the refereed proceedings of 10 international workshops and papers of the OTM Academy Doctoral Consortium held as part of OTM 2007 in Vilamoura, Portugal, in November 2007. This book presents 126 revised full papers that were reviewed and selected from a total of 241 submissions to the workshops.

Posters of the 2007 DOA (Distributed Objects and Applications) International Conference.- Posters of the 2007 ODBASE (Ontologies, Databases, and Applications of Semantics) International Conference.- Posters of the 2007 GADA (Grid Computing, High Performance and Distributed Applications) International Conference.- Posters of the 2007 IS (Information Security) International Conference.- Workshop on Agents, Web Services and Ontologies Merging (AweSOMe).- Workshop on Context Aware Mobile Systems (CAMS).- Doctoral Consortium.- Workshop on Mobile and Networking Technologies for Social Applications (MONET).- Workshop on Ontology Content and Evaluation in Enterprise (OntoContent).- Workshop on Object-Role Modeling (ORM).