This book constitutes the refereed proceedings of the 7th International Conference on Fundamental Approaches to Software Engineering, FASE 2004, held in Barcelona, Spain, in March/April 2004. The 22 revised full papers and 4 tool presentation papers presented together with an invited paper and the abstract of another invited talk were carefully reviewed and selected from a total of 98 submissions. The papers are organized in topical sections on objects and aspects, smart cards, components, security and web services, modeling and requirements, testing, and model checking and analysis.

This book constitutes the proceedings of the 41st International Conference on Current Trends in Theory and Practice of Computer Science held in Pec pod Sn kou, Czech Republic, during January 24-29, 2015. The book features 8 invited talks and 42 regular papers which were carefully reviewed and selected from 101 submissions. The papers are organized in topical sections named: foundations of computer science; software and Web engineering; data, information, and knowledge engineering; and cryptography, security, and verification."