The authors are responsible for the choice and presentation of facts and for the opinions expressed, which are not necessarily those of the compilers  ...  became a unique platform for discussing political, cultural, educational, ideological, philosophical, social, ethical, technological and other aspects of the activities aimed at supporting and preserving  ...  Acknowledgement We are thankful to the Center for e-Learning Research and Application (Nagaoka University of Technology) and Hideyuki Kanematsu (Suzuka National College of Technology) for providing many  ...