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Under the premise of fully analyzing the security requirements and security threats of mobile payment, the analysis of secure mobile payment based on SET protocol in the WAP environment has been made, then, this paper points out its various flaws exist in the transaction process. Meanwhile, making improvements on the basis of the original Mobile Payment based on SET protocol, then proposed Mobile...
Delegation mechanism is an important technology for improving flexibility of access control in synthetic application systems, all these system are typically multi-sector and multiuser systems and where all the entities and their relationships are quite complex. Based on RBDMO and RDM2000, we propose a user-to-user delegation called three-dimensional role-based delegation model (RBDM3D) that is practically...
Identification of unknown words in Chinese word segmentation have to face one of a number of problems, to solve this problem effectively will be able to improve the efficiency of Chinese word segmentation. In this regard, this paper describes an overview of the professional search engine, and a detailed analysis of the film to the characteristics of Chinese word segmentation and presentation of the...
As for personalized information service needs of the growing vertical search engine technology in the field of multi-media resources to play a role search. In this paper, in-depth analysis of existing multimedia search engine based on multi-media resources for the existing deficiencies in the areas of search, to propose a multi-media resources for the vertical search, has a certain value and personalization...
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