This study explored the global cyberspace security issues, with the purpose of breaking the stereotype of people’s cognition of cyberspace problems, which reflects the relationship between interdependence and association. Based on the Apriori algorithm in association rules, a total of 181 strong rules were mined from 40 target websites and 56,096 web pages were associated with global cyberspace security. Moreover, this study analyzed support, confidence, promotion, leverage, and reliability to achieve comprehensive coverage of data. A total of 15,661 sites mentioned cyberspace security-related words from the total sample of 22,493 professional websites, accounting for 69.6%, while only 735 sites mentioned cyberspace security-related words from the total sample of 33,603 non-professional sites, accounting for 2%. Due to restrictions of language, the number of samples of target professional websites and non-target websites is limited. Meanwhile, the number of selections of strong rules is not satisfactory. Nowadays, the cores of global cyberspace security issues include internet sovereignty, cyberspace security, cyber attack, cyber crime, data leakage, and data protection.
In the last two decades, an enormous increase in empirical studies from the view of different network layer and from a variety of different networks has been seen. However ICMP traffic of Internet is ignored all along. In view of this, the contribution of this paper aims at filling such a gap in studying self-similarity and heavy-tail in ICMP traffic. Five different type DATA sets are investigated-including WAN data as well as LAN data, and including ICMPv4 data as well as ICMPv6 data. Our central results are the following: Firstly, ICMP packets arrival process is Long-Range Dependent and Self-Similar. Secondly, interarrival time for ICMP packets arrival process is Heavy-Tailed.
Abstract-Online game-based courseware is courseware that optimized combines instructiveness and entertainment. Design and development of practical, lively and effective online game-based courseware is a practical significance to explore in the field of modern education technology. Design Research of Tower of Hanoi Gaming courseware is to design a tower of Hanoi gaming courseware to solve the teaching difficulty of recursive problem in the C language course. The new kind of courseware blend instructional design in the game, which leads to the picturesque understanding of knowledge in the process of the game.
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