More security or more freedom? A comparative analysis of the equilibrium in European democratic regimes -- Trials of Characterizations of Anti-manipulation Method -- Pairwise Voting Rules in Restricted Domains: The Disappearance and Persistence of Some Monotonicity Paradoxes -- Group Decision Making Based on Constructing a Short List -- A note on equal treatment and symmetry of values -- Decision-driven Model for Building IoT Architecture in Environmental Engineering -- The equity crowdfunding and family firms - a fuzzy linguistic approach -- Some propositions of approaches for measuring indirect control power of firms and mutual connections in corporate shareholding structures -- Some Strategic Decision Problems in Networks -- An IoT Virtual eLearning Space.