Distributed Collaborative Modeling Support System for UML diagrams

The dramatic growth of e-commerce and the reliance of organizations’ success on quality of their Web systems have required the need for building high quality Web-based applications with minimum time and effort. Therefore, Web application’s quality measurements and metrics are becoming increasingly important. Although many quality metric models for Webbased applications have been proposed, they introduced a set of (relatively) ambiguous guidelines and rules and were not validated theoretically and empirically. We propose a Time-Quality metric model for Web-based systems quality measurement that: