Aspect-Oriented Ontology Development.- Similarity-based Retrieval and Automatic Adaptation of Semantic Workflows.- Development of knowledge-based systems which use Bayesian networks.- Knowledge Acquisition during Software Development: Modeling with anti-patterns.- Knowledge Engineering of System Refinement.- Using the Event-B Formal Method and the Rodin framework for Verification the Knowledge Base of an Rule-Based Expert System.- Knowledge Engineering for Distributed Case-Based Reasoning Systems.- Knowledge engineering for decision support on diagnosis and maintenance in the aircraft domain.- OntoMaven - Maven-based Ontology Development and Management of Distributed Ontology Repositories.- References.