This book presents current investigations in the field of mathematical modeling and simulation to support the development of intelligent information systems in domains such as ecology and geology, manufacturing, project management, and safety of distributed information systems.

Chapter 1: Geo information technology of data processing in the forestry industry on the example of a system.- Chapter 2: Classification of Radioactivity Levels in the Regions of the World Ocean Using Compartment Modelling.- Chapter 3: Discrimination of Lithological Types of the Runovshchyna Area for Alpha and Beta Activity.- Chapter 4: Pollution Spread Model in the Cascade of Ponds in the Protected Areas.- Chapter 5: Using Mathematical, Experimental and Statistical Modeling for Predicting of the Lubricant Layer Thickness in Tribosystems.- Chapter 6: Simulation of Working Process of the Electronic Brake System of the Heavy Vehicle.- Chapter 7: Defining Pre-Emergency and Emergency Modes of Semiconductor Converters.- Chapter 8: . Generalized Method for Switching Processes Calculating in High Frequency Pulse Converters of Electricity.- Chapter 9: Identification of traffic abnormalities based on the estimation of stationary parameters and detailing the wavelet function.- Chapter 10: Development of Model for Load Impacts to the Database.