The International Workshop on "Human Interaction with Machines" is the sixth in a successful series of workshops that were established by Shanghai Jiao Tong University and Technische Universitat Berlin. The goal of those workshops is to bring together researchers from both universities in order to present research results to an international community. The series of workshops started in 1990 with the International Workshop on "Artificial Intelligence" and was continued with the International Workshop on "Advanced Software Technology" in 1994. Both workshops have been hosted by Shanghai Jiaotong University. In 1998 the third wo- shop took place in Berlin. This International Workshop on "Communi- tion Based Systems" was essentially based on results from the Graduiertenkolleg on Communication Based Systems that was funded by the German Research Society (DFG) from 1991 to 2000. The fourth Int- national Workshop on "Robotics and its Applications" was held in Sha- hai in 2000. The fifth International Workshop on "The Internet Challenge: Technology and Applications" was hosted by TU Berlin in 2002.