A Multi-level Hierarchical Approach for Configuring Business Processes -- Profiling simulation performance: The example of the German toll system -- Analysis of Content of Posts and Comments in Evolving Social Groups -- Generation of Hierarchical Business Process Models from Attribute Relationship Diagrams -- Nonlinear Time Structures and Nonlinear Time Ontology for Description of Economic Phenomena -- Business Intelligence and Analytics in Organizations -- Low-frequency Signal Reconstruction and Abrupt Change Detection in Non-Stationary Time Series by Enhanced Moving Trend Based Filters -- The Assessment of the EPQ Parameter for Detecting H-Index Manipulation and the Analysis of Scientific Publications -- Fuzzy Multi-attribute Evaluation of Investments -- Theory of digital data processing in the ICT -- The opportunities and challenges connected with implementation of the Big Data concept.