Cooperative Decision Making: A Methodology Based on Collective Preferences Aggregation -- Enhancing Collaborative Decision-Making Processes Using a Web-Based Application: A Case Study of a UK Precision Engineering SME -- Assessing Mergers and Budget Constraint in Multiple-Unit ICT Procurements - The Cooperation/Competition Dilemma -- Are Procurement Auctions Good for Society and for Buyers? -- Exploring the Effect of Bidding Mechanisms in Online Penny Auction -- Using Biddings and Motivations in Multi-unit Assignments -- Knowledge Based Decision Support Systems: A Survey on Technologies and Application Domains -- On the Use of Cognitive Maps to Identify Meaning Variance -- A Framework for Optimising Inventory Level of Global Critical Knowledge to Support Group Decision Making -- Dynamic MCDM for Multi Group Decision Making -- Kapuer: A Decision Support System for Protecting Privacy -- An MCDM Approach to Group Processes Using Choquet Integration -- Spatial Multi Criteria Decision Analysis Based Assessment of Land Value in Abu Dhabi, UAE -- Rank Ordering Methods for Multi-criteria Decisions -- Defining Preferences and Reference Points – A Multiple Criteria Decision Making Experiment -- Bipolar Approach Applied to Group Decision Making Problems -- Adapting Agent’s Interactions in Dynamic Contexts -- Interaction Protocols Adaptation for Negotiation in Opened Multi-agent Systems -- Modeling Negotiation as Social Interaction for ENS Design: The PROSPER Approach -- SAW-Based Rankings vs. Intrinsic Evaluations of the Negotiation Offers – An Experimental Study -- Making Sense of Intransitivity, Incompleteness and Discontinuity of Preferences -- Preference Elicitation for Group Decisions -- On Developing a Web-Based Time Preference Elicitation Engine: Implications for E - Negotiations -- Using Value Ranges to Reduce User Effort in Preference Elicitation -- Conflict Analysis between Environment Protection and Economic Development Based on GM-DEA Theory -- Analysis of Data from a Corporate Prediction Market -- An Integrated Decision Support System Framework for Strategic Planning in Higher Education Institutions -- On Facilitating Group Decision Making Processes with VIP Analysis -- The Network Perspective of Supply Chain Risks to Support Group Decision Making in Fast Moving Consumer Goods in Middle East Region -- A Distributed Decision Making and Propagation Approach for Trust-Based Service Discovery in Social Networks -- Semantic Web Tools and Decision-Making.