Berendt, B.; Hotho, A.; Mladenic, D.; van Someren, M.; Spiliopoulou, M. & Stumme, G. (2004), A Roadmap for Web Mining: From Web to Semantic Web., in Bettina Berendt; Andreas Hotho; Dunja Mladenic; Maarten van Someren; Myra Spiliopoulou & Gerd Stumme, ed., 'Web Mining: From Web to Semantic Web' , Springer, Heidelberg , pp. 1-22 .