This book contains extended and revised versions of a set of selected papers from two workshops organized by the Euro Working Group on Decision Support Systems (EWG-DSS), which were held in Thessaloniki, Greece, and Rome, Italy, in May and July 2013.

A Decision Support Framework for Crisis Management.- Spatio-Temporal Decision Support System for Natural Crisis Management with TweetComP1.- Near Real-Time Decision Support for Disaster Management: Hurricane Sandy.- A Web-Based Decision Support System for the Multiple Capacitated Facility Location Problem.- A Web-Based Decision Support Platform for Multidimensional Modeling of Complex Engineering Systems.- Purchase Decision Processes in the Internet Age.- Supporting Business Process Exception Management by Dynamically Building Processes Using the BEM Framework.- An Agent Architecture for Concurrent Bilateral Negotiations.- Integrating Environmental Policies into Business Strategy: The Problem Structuring Stage in a Framework for Decision Support.- A Web-Based Decision Support System for Supply Chain Operations Management Towards an Integrated Framework.- Decision Making for a Risk-Averse Dual-Channel Supply Chain with Customer Returns.- Scaling Issues in Additive Multicriteria Portfolio Analysis.- A New Fuzzy Multi-criteria Decision Making Approach: Extended Hierarchical Fuzzy Axiomatic Design Approach with Risk Factors.- A DSS for Resolving Evaluation of Criteria by Interactive Flexible Elicitation Procedure.- Robustness Analysis in Multicriteria Disaggregation - Aggregation Approaches for Group Decision Making.