The Revista de Informática Teórica e Aplicada - RITA is edited under the responsibility of the Institute of Informatics of the Federal University of Rio Grande do Sul - UFRGS, Brazil. The journal publishes works that show state of the art and trends of the area of Informatics and its applications, also serving as a forum for discussions of projects under development in universities and research centers, as well as their results and application perspectives. The Journal also serves as a vehicle for the dissemination of selected works in events through Special Sections. Its scope is the Ibero-Latin American community, with accepted in Portuguese, Spanish and English.The journal offers immediate free access to its content, following the principle of providing free scientific knowledge to the public providing greater global democratization of knowledge.