SITA'13 is the eighth International Conference on Intelligent Systems: Theories and Applications. It is a major international scientific event organized with the objective of bringing together researchers and industry professionals sharing the Intelligent Systems passion. SITA'13 will present the latest research works dealing with emerging theories and applications of intelligent Systems. Emphasis will be particularly laid on the contribution of these new theories in solving the complex problems that many scientific and industrial communities encounter. SITA'13 will be held at Ecole Mohammadia d'Ingenieurs, Mohammed V University, Agdal, Rabat, Morocco on May 8th and 9th 2013. It is the eighth in the series of previous editions that have been held since 2001