In recent years a small number of web-based tools have been proposed to help students learn to write SQL query statements and also to assess students’ SQL writing skills. SQLify ...
The scientific research in the area of computational mechanisms for trust and reputation in virtual societies is a recent discipline oriented to increase the reliability and perfor...
Our research is aimed at a systematic investigation of phenomena in the nexus of culture, technology and learning. The basic premise of our research is that social affordances of t...
The advent of computer-supported collaborative work (CSCW) systems significantly impacts group collaboration. This paper reviews three CSCW systems: Lotus Notes, Xerox DocuShare, ...
In this paper we review the key results about space bounded complexity classes, discuss the central open problems and outline the prominent proof techniques. We show that, for a s...