I. Theory and methodology.- On measurable multiattribute value functions based on finite-order independence of structural difference.- Preference separability and value functions.- Two-person finite games with messages on the nature choices.- A methodological approach to comparing parametric characterizations of efficient solutions.- On scalarizing method in vector optimization.- Multicriterial duality, examples and advances.- Concepts of efficiency and fuzzy aggregation rules.- Multiregional economic policy-modelling.- Interactive methods for multi-objective integer linear programming.- Interactive decision making for multiobjective linear programming problems with fuzzy parameters.- Multiobjective decisions for growth processes of time series.- Interactive decision analysis and simulation of dynamic systems.- Pattern formation by natural selection with applications to decision support.- Rank preservation and propagation of fuzziness in pairwise-comparison methods for multi-criteria decision analysis.- Learning in decision making.- Interactive decision analysis for strategic management.- Multi-objective decision analysis — the right objectives?.- II. Interaction principles and computational aspects.- Man-machine dialogue interfaces in decision support systems.- Solving discrete multiple criteria problems by using visual interaction.- Advanced computer applications for large-scale systems analysis.- On an expert system for the design of chemical process systems.- The object-oriented problem solving environment ARK-concept and first experience.- An interactive (optimization-based) decision support system for multi-criteria (nonconcave) control problems.- Toward the consolidation of interactive multiple objective programming procedures.- The interactive multiobjectivepackage IMPROME with application to strategic planning of carbochemical industry.- III. Applications.- Experiences with interactive multi-objective linear programming methods in energy planning.- Decision-support model system for long-term water management in open-pit lignite mining areas.- An approach for integrated energy-economy decision analysis: The case of Austria.- Natural gas trade in Europe and interactive decision analysis.- An application of satisficing trade-off method to a blending problem of industrial materials.- Multiobjective systems analysis for impact evaluation of the Hokuriku Shinkansen (Super-express railroad).- A queueing theoretic model for planning diagnosis systems in hospitals.- Decision support model for pest management: a preliminary report.- Decision support for development strategy in the area of interaction of the industrial and agricultural sectors.- List of Participants.