An M/MMGI/1/K queuing model is developed for the analysis of IEEE 802.11 DCF using RTS/CTS. Results are based on arbitrary contention conditions, namely, collision probabilities, ...
Caching is a standard solution to the problem of insufcient bandwidth caused by the rapid increase of information circulation across the Internet. Cache consistency mechanisms are...
Taking the temporal dimension into account in searching, i.e., using time of content creation as part of the search condition, is now gaining increasingly interest. However, in the...
Abstract. MPEG-4 supports dynamic scene composition through various interactions such as adding/removing/replacing objects and changing object’s properties. MPEG-4 content can ex...
Abstract. We present a model for complex documents possibly consisting of a hierarchically structured set of images or texts. Documents are represented both at the form level (as s...
Carlo Meghini, Fabrizio Sebastiani, Umberto Stracc...