Introduction to Intelligent Decision Support Systems.- Intelligent Decision Support Systems -- Passive House Model for Quantitative and Qualitative Analyses and its Intelligent System -- Biometric and Intelligent Self-Assessment of Student Progress System -- Web-based Biometric Computer Mouse Advisory System to Analyze a User's Emotions and Work Productivity -- Student Progress Assessment with the Help of an Intelligent Pupil Analysis System -- Recommender System to Analyze Student's Academic Performance.