Techniques and Metrics For Improving Website Structure. - Eleni Christopoulou; John D. Garofalakis; Christos Makris 001; Yannis Panagis; Athanasios Psaras-Chatzigeorgiou; Evangelos Sakkopoulos; Athanasios K. Tsakalidis (J. Web Eng., 2003)