Methodological Foundations of the Digital Economy.- Methodology and technology of control systems development.- Principles of mathematical models constructing based on the text or qualitative data of social systems.- On the possibility of an event prediction with limited initial statistical data.- Theoretical and Applied Aspects of Orthogonal Coding in Computer Networks Technologies.- Big Data in investigating and preventing crimes.- Data analysis of the socio-economic factors' influence on the state of crime.- The remote approach of distribution of objects withdrawn from circulation.- Implementation of the law enforcement function of the state in the field of countering crimes committed using the Internet.- Determination of the main directions of counteraction to e-commerce crimes, committed with the use of online stores.