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To address the problem of assessing the SQL code automatically in an E-learning system, this paper offers a way to calculate the similarity between SQL codes using the static analysis technology. We use the regular expressions, NFA and DFA technology to analyze the code and then generate the AST of the source code and target code. Based on the ASTs created before, the method proceeds the measuring...
The continuous growth in both commercial and public network traffic with various quality-of-service (QoS) requirements is calling for better service than the Internet's best effort mechanism. One of the challenging issues is to predict the overall behavior of aggregate network traffic. While network traffic characterization has been studied extensively due to its importance in network scheduling and...
Malicious software is one of the most popular security threats of computer networks. It is difficult for traditional solutions to deal with dynamical and variable behaviors against malicious software. Danger model theory is a hypothesis of artificial immune systems. This hypothesis explains what is malicious from the trend of behaviors in a computer system. This paper presented a novel idea that malicious...
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