Information Sciences and Technologies Bulletin of the ACM Slovakia June 2010 Volume 2, Number 1 D. Mihályi M. Forgáè M. Rychlý P. Vojtek J. Ïud’ák Duality Between Formal Description of Program Construction and Program Behaviour Method of Combined Dynamic Modification of Programs and Languages Formal-based Component Model with Support of Mobile Architecture Contribution to Relational Classification with Homophily Assumption The Contribution to Industrial Communication Standards 1 6 13 26 34 Special Section on Early Aspects R. Chitchyan, S. Zschaler Editorial to Special Section on Early Aspects continued on back cover 42