Research and advanced technology for digital libraries proceedings ... [from] International Conference on theory and practice of digital libraries, TPDL 2013, Valletta, Malta, Septemper 22-26, 2013 - Aalberg, Trond; Παπαθεοδώρου, Χρίστος; Dobreva, Milena; Τσάκωνας, Γιάννης; Farrugia, Charles J. (Springer, 2013)