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In this paper, we describe a framework for GPS/INS based Portable Positioning System. The framework includes two main components: receiving terminal and monitoring center. In the receiving terminal, the digital compass and the GPS modules are both connected with an I/O interface in a FPGA to provide an integrated positioning solution. This integrated positioning algorithm can solve the problems arising...
Web application has become one of the main network applications. The security in web application systems is very important. In this paper we present a method for tracking suspicious users based on web data analysis. Based on a browser/server model, internet flow data are stored in the server and outliers considered as the suspicious users are detected with web data analysis. The behaviors of these...
The widespread networks in campus provide students with rich resources, but they also provide unhealthy information which may have negative effects on students. Filtering systems have been developed to prevent web users from unhealthy web contents. However, the false positive and false negative rates of those tools are still high and thus need to be improved. In this paper, we propose an Internet...
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