@inbook{idea04,
   author = "Y. Manolopoulos and M. Morzy and T. Morzy and A. Nanopoulos and M. Wojciechowski and M. Zakrzewicz",
   title = "Indexing Techniques for Web Access Logs",
   editor = "D. Taniar and W. Rahayu",
   booktitle = "Web Information Systems",
   publisher = "Idea-Group Publishing",
   year = "2004",
   pages = "305--334",
}