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Following aircraft accident, reconstruction and splice of wreckage is an important aspect for the survey work. By splicing the wreckage, we can find the most serious damage position and determine the attitude, speed of the aircraft, and so on. It provides effective technical support to accident investigation. However, wreckage splice is very difficult and needs large of time and funds. With development...
At present analyzing mass data in network by data mining technology in order to detect intrusion has become focus of anomaly detection research. In order to improve quality of intrusion detection, an improved anomaly detection algorithm is proposed in this paper. Firstly the training data set is converted to the standard unit features metric space, then the improved algorithm is used to divide the...
Traditional access control based on user or role is difficult to coincide with the actual management mode. In this paper RBAC technologies were introduced. Design and implementation of authority management components were discussed according to RBAC model and theory. The authority management components were implemented in way of Struts+Spring+Hibernate framework. In end of this paper system test was...
Grid computing is a new arising technology which gets computer from different locations to work together with various data resources. Because of its high capability, grid has contributed to a plenty of areas. When computing for a special objective, typically a series of algorithms are needed. As conventional algorithm bases were built for just specific areas, a multifunctional grid-algorithm-base...
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