The Contribution of Knowledge Sharing to Organizational Performance and Decision Making: A Literature Review -- Multicriteria Decision Aid Method for Knowledge Sharing -- A Collaborative Spatial Decision Support System for the Capacitated Vehicle Routing Problem on a Tabletop Display -- Trust and Understanding in Face-to-Face and Online Negotiations -- Discovering Characteristics that Affect Process Control Flow -- Study on Temporal Change of Social Context: In the case of Bicycle Riding Issue in Japan -- Matrix Representation of a Basic Hierarchical Graph Model for Conflict Resolution -- Timing and Decision Making.