Theory and Practice of Digital Libraries -- TPDL 2013 Selected Workshops - Åukasz Bolikowski, Vittore Casarosa, Paula Goodale, Nikos Houssos, Paolo Manghi, Jochen Schirrwagen; Casarosa, Vittore; Goodale, Paula; Houssos, Nikos; Manghi, Paolo; Schirrwagen, Jochen (Springer International Publishing, 2014)