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In recent years, the number of web services has proliferated; consequently the number of web services that offer the same services have been increased. The differences between same web services are quality parameters. Quality of service in web services consists of various non-functional factors such as execution cost, execution time, availability, successful execution rate, and security. Also clients...
The continued growth of Email usage, which is naturally followed by an increase in unsolicited emails so called spams, motivates research in spam filtering area. In the context of spam filtering systems, addressing the evolving nature of spams, which leads to obsolete the related models, has been always a challenge. In this paper an adaptive spam filtering system based on language model is proposed...
The problem of spam detection is a crucial task in the web information retrieval systems. The dynamic nature of information resources as well as the continuous changes in the information demands of the users makes the task of web spam detection a challenging topic. So far many different methods from researchers with different backgrounds have been proposed to tackle with spam web pages problem. In...
Today most managing network security systems, especially Intrusion Detection System (IDS), play a significant role in computer societies and due to the evolution of threats, the use of traditional crisp methods are not efficient. It is also clear that high level conceptual modeling eases the complex attack detection process. This paper proposes a new approach in which the benefits of both fuzzy and...
As e-commerce sales continue to grow, the associated online fraud remains an attractive source of revenue for fraudsters. These fraudulent activities impose a considerable financial loss to merchants, making online fraud detection a necessity. The problem of fraud detection is concerned with not only capturing the fraudulent activities, but also capturing them as quickly as possible. This timeliness...
Risks include the factors that might adversely affect project outcomes. Risk analysis includes the processes concerned with identifying, analyzing and developing security strategy and plans for the factors. Although currently there are known methodologies such as (CCTA Risk Analysis and Management Method (CRAMM) or Consultative, Objective and Bi-functional Risk Analysis (COBRA) and so on) for Risk...
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