Collaborative Systems OrthogonalityCristian CIUREAAcademy of Economic Studies Bucharest Romania cristian.ciurea@ie.ase.ro Daniel MILODIN Academy of Economic Studies Bucharest Romania daniel.milodin@ase.ro The paper presents definitions of collaborative systems, their classification and the dynamics of collaborative systems. It describes the key concepts of decisions taken in collaborative systems. There are listed main properties and quality characteristics of collaborative systems. It analyzes the application for the assessment of text entities orthogonality within a collaborative system in education, represented by a virtual campus. Keywords: collaborative system, orthogonality, virtual campus, evaluation |