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- Data and Information Modeling using Object Role Modeling (ORM/ORM2) with Enterprise Architect and NORMA
- Enterprise Modeling using Design and Engineering Methodology for Organization (DEMO)
- Business Process Modeling, Management and Work-flows; Petri-Nets
- Collaborative and Group Model Building of Enterprise Systems
- Information Systems Quality and Modeling Process Evaluation
- Information Systems Research Methods and IS Philosophical Foundations
- Data Structures, Design and Analysis of Algorithms and Graph Theory
- Database Technology and Query Optimization, Web-based and Distributed Information Systems
- Data Warehousing, Business Intelligence and Data Mining
- Multi-criteria/Multi-actor Decision Making and Group Negotiation (using, e.g., AHP, PROMETHEE, ELECTRE, etc.)
- Multivariate data analysis using Factor Analysis (FA) and Principal Component Analysis (PCA)
- Structural Equation Modeling (SME) using tools such as AMOS, LISREL, EQS, Mplus, PLS, etc.
- Statistics and Probability Theory
- Numerical Analysis and Scientific Computing, especially problem solvers using hybrid pre-conditioners.
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