@inproceedings{Renda02b, author = "Renda, M. Elena and Straccia, Umberto", title = "A Personalized Collaborative Digital Library Environment", booktitle = "5th International Conference on Asian Digital Libraries (ICADL-02)", publisher = "ACM", address = "Singapore, Republic of Singapore", pages = "262--274", series = LNCS, number = "2555", year = "2002" }