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This paper via compares data de-duplication with other data storage methods, analyses characteristics of data de-duplication and applies the technology to data backup and recovery. Highlights special process of asynchronous backup and recovery based on data de-duplication. Data de-duplication can reduce backup volume, then save users data storage space, and cut the cost of storage, asynchronous backup...
Continuous auditing is an increasingly important topic in today's audit environment. This paper reviews online auditing research in China from the perspective of audit cost control. First, we introduce the concept of informationization environment on audit cost control. Then, we review the positive and negative cost effects of implementing online auditing in China. Finally, the importance of online...
As the virus has been spread without restriction, there needs an effective method to detect the virus. After analyzing the current detection methods of the virus, one method, which is on the basis of jump state, is proposed to analyze the malice behavior. From four aspects, such as the element definition, the simple regulation, the formalized description and the mapping-relation description, the formalized...
Current many information retrieval methods are based on purely keywords for representing the user needs. One of the main problems with this method is that it does not formally capture the explicit meaning of a keywords query, and ignores the documents that may be different in content but related with them. To improve the precision of the information retrieval, this paper proposes a hybrid method for...
At present there are many methods that could deal well with frontal view face recognition when there is sufficient number of representative training samples. There into, subspace learning method such as principal component analysis (PCA), independent component analysis (ICA), linear discriminant analysis (LDA) are a very hot research topic in this field. However, in some face recognition system, the...
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