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The emergence of electronic commerce led to a situation that many companies tend to take advantage of this space, but the main problem with this type of business is to retain customers and build loyalty in them. Ease of access to other companies in case of dissatisfaction allows customers to quickly refer to other competing companies. Therefore, customer satisfaction is very important. Considering...
The increasing volume of information about goods and services has been growing confusion for online buyers in cyberspace and this problem still continues. One of the most important ways to deal with the information overload is using a system called recommender system. The task of a recommender system is to offer the most appropriate and the nearest product to the user's demands and needs. In this...
One of the important tasks in relational data analysis is link prediction which has been successfully applied on many applications such as bioinformatics, information retrieval, etc. The link prediction is defined as predicting the existence or absence of edges between nodes of a network. In this paper, we propose a novel method for link prediction based on Distance Dependent Chinese Restaurant Process...
The Internet influence is increasing in daily life as a developing technology. On the other hand, as the capacity of images, sounds and digital videos develops, the undesirable destructive and illegal copyright techniques increase. Watermarking embeds copyright information in a given media, so that it is not recognizable for human visual system. In this paper, a digital image watermarking algorithm...
Electronic business (E-business) and increasing advances and growth of its risk have resulted in the fact that marketers pay so much attention to the trust, satisfaction and loyalty of customers in order to enhance the income and reduce the competition risk. Many studies have been conducted on the effective factors on trust. But yet no definite method has been suggested to determine the effective...
The increasing complexities in softwares, have reduced the efficiency of the common methods of software testing and urged the necessity to use new and optimal methods to produce test case (TC) to cover high percentage of target plan to find existing errors. Thus, today, the production of TC is considered to be an important aim in software testing methods. Particle Swarm Optimization (PSO) is an intelligent...
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