Berendt, Bettina, Hotho, Andreas, Mladenic, Dunja, van Someren, Maarten, Spiliopoulou, Myra, Stumme, Gerd ; Berendt, Bettina, Hotho, Andreas, Mladenic, Dunja, van Someren, Maarten, Spiliopoulou, Myra, Stumme, Gerd: A Roadmap for Web Mining: From Web to Semantic Web.. 3209. In: Web Mining: From Web to Semantic Web. Heidelberg : Springer, 2004, S. 1-22