This issue of Computer Science and Information Systems, entitled Special Issue on Trends in Software Technologies, is composed of two special sections: Special Section on Advances in Modeling and Languages (with 5 articles) and Special Section on Trends in Software Engineering – Software Processes Improvement, Big Data and Security in Information and Communication Technologies (with 7 articles). We thank all guest editors, authors and reviewers for the great efforts in preparing this issue of ComSIS for publication.

Mirjana Ivanović

Managing Editor
Miloš Radovanović