Elisa Bertino Elena Ferrari Andrea Perego Diego Santi A Constraint-Based Approach for the Authoring of Multi-Topic Multimedia Presentations. 578-581 2005 conf/icmcs/2005 ICME http://doi.ieeecomputersociety.org/10.1109/ICME.2005.1521489 db/conf/icmcs/icme2005.html#BertinoFPS05