Giorgos B. Stamou Jacco van Ossenbruggen Jeff Z. Pan Guus Schreiber 86-90 2006 13 IEEE Multim. 1 https://doi.org/10.1109/MMUL.2006.15 http://doi.ieeecomputersociety.org/10.1109/MMUL.2006.15 db/journals/ieeemm/ieeemm13.html#StamouOPS06