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Recent years, low-cost computers are sold, and are introduced many also such computers in educational fields. Since a significant improvement in performance of such computers, updating the equipment is performed frequently. In Japan, solar photovoltaic is widely used, and the solar panels are installed to the roof of the ordinary houses. About 20 years later, solar panels will become the industrial...
Ambient intelligence (AmI) deals with a new world of ubiquitous computing devices, where physical environments interact intelligently and unobtrusively with people. AmI environments can be diverse, such as homes, offices, meeting rooms, schools, hospitals, control centers, vehicles, tourist attractions, stores, sports facilities, and music devices. In this paper, we present the design and implementation...
Due to the opportunities provided by the Internet, people are taking advantage of e-learning courses and enormous research efforts have been dedicated to the development of e-learning systems. So far, many e-learning systems are proposed and used practically. However, in these systems the e-learning completion rate is low. One of the reasons is the low study desire and motivation. In this work, we...
Existing CAPTCHA methods are able to be read by computers owing to the development of technologies. We proposed a CAPTCHA method with amodal Completion in order to prevent computers from reading CAPTCHA. We also applied aftereffects and colors for the method to enhance visibility. However, our method was completely able to be read by computers with deep learning. However, we were able to discover...
Hands-on ethical hacking and network defense has become an essential component in teaching cybersecurity. However, without understanding vulnerabilities in a computer system, it would be difficult to conduct successful network defense in order to prevent intruders in the real world. Therefore, teaching ethical hacking and vulnerability scanning is a key element to the success of cybersecurity curriculum...
Millions of people play online computer games every day. Massive Multiplay Online (MMO) Games suffer a great problem: Developing new content for games (especially for Role Play Games-RPG) is an highly expensive and time consuming task. On the other hand, Players usually complain of static and repetitive contents of games and a rapid decrease of their interest in the games is evident after main patches...
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