Aleksandar Stanimirović is Assistant Professor at Faculty of Electronic Engineering, University of Niš. He received a B.S. degree and the M.S. and Ph.D. in Computer Science and Informatics from the Faculty of Electronic Engineering, University of Niš. He has been active in the field of ontologies and semantics for over 10 years. His current research involves the study of data stream real-time processing.  For several years he is working as a part time software engineer at Frame.