Designing a Knowledge Representation Tool for Subject Matter Structuring -- Aligning Experientially Grounded Ontologies using Language Games -- An overview of argumentation frameworks for decision support -- Learning Optimal Bayesian Networks with DAG Graphs -- Combinatorial results on directed hypergraphs for the SAT problem -- Conceptual Graphs for Formally Managing and Discovering Complementary Competences -- Subjective Networks: Perspectives and Challenges -- RDF-SQ: Mixing Parallel and Sequential Computation For Top-down OWL RL Inference -- Bring User Interest to Related Entity Recommendation.