Internet technologies and systems are nowadays the key enablers of digital economy and modern world-wide connected society. This contributed book is a collection of cautiously chosen articles delivered by specialists with significant level of expertise in the domain of Internet technical foundations and its applications.

"Internet technologies and systems are nowadays the key enablers of digital economy and modern world-wide connected society. This contributed book is a collection of cautiously chosen articles delivered by specialists with significant level of expertise in the domain of Internet technical foundations and its applications.The content of the book is divided into three parts:Internet - technical fundamentals and applicationsInformation management systemsInformation security in distributed computer systemsThis book is a reference tool prepared for scientists and other persons involved in designing, implementation and evaluation of internet technologies. Its readers can be found among researchers, teachers and also students of computer science and related disciplines."

Internet - Technical Fundamentals and Applications.- How to Improve Internet?.- Performance Modeling of Selected AQM Mechanisms in TCP/IP Network.- Simulation and Analytical Evaluation of a Slotted Ring Optical Packet Switching Network.- A Multi-tier Path Query Evaluation Engine for Internet Information Systems.- Modeling of Internet 3D Traffic Using Hidden Markov Models.- Usability Testing of the Information Search Agent: Interface Design Issues.- The Use of Natural Language as an Intuitive Semantic Integration System Interface.- Student's Electronic Card: A Secure Internet Database System for University Management Support.- Video Shot Selection and Content-Based Scene Detection for Automatic Classification of TV Sports News.- E-Learning Database Course with Usage of Interactive Database Querying.- On Applications of Wireless Sensor Networks.- Gift Cards Authorization through GSM in a Distributed Trade Network - Case Study.- Remote Access to a Building Management System.- Applying Rough Set Theory to the System of Type 1 Diabetes Prediction.- Information Management Systems.- Outline of the Enterprise Resource Control Systems Architecture.- Implementation of Changes to the System in the Model of Multiple Suppliers vs. the Model of a Single Supplier.- Standardization of Software Size Measurement.- The Role of Automation Tools Supporting the Maintenance of the System Environments.- Why IT Strategy Does Not Suffice?.- The Process Approach to the Projects of the Information Systems.- The Importance of Virtual Community for Enterprise Functioning - The Case Study of P.P.H.U. Jedroch Partnership Company.- Information Security in Distributed Computer Systems.- Quantum Cryptography: Opportunities and Challenges.- Cerberis: High-Speed Encryption with QuantumCryptography.- A Numerical Simulation of Quantum Factorization Success Probability.- Software Flaws as the Problem of Network Security.- Security of Internet Transactions.- Security of Internet Transactions - Results of a Survey.- Ontological Approach to the IT Security Development.- Enhancement of Model of Electronic Voting System.