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People are more likely to have a common topic together, whereas gathering the people to form into the group also can create more value. Service network is the society that has different layers, where people are belongs to different kinds of interests and hobbies, therefore, group mode is very suitable for services network conditions. It is easy to form variant crowds of people and motivate common...
In e-commerce, online product reviews significantly influence the purchase decisions of buyers and the marketing strategies employed by vendors. However, the abundance of reviews and their uneven quality make distinguishing between useful and useless reviews difficult for potential customers, thereby diminishing the benefits of online review systems. To address this problem, we develop a semi-supervised...
The development of social network has increased the importance of social recommendation. However, social recommender systems have only recently been given research attention. Social relationships between users, especially trust relationships, can facilitate the design of social recommender systems. Such systems are based on the idea that users linked by a social network tend to share similar interests...
To solve the trust issue caused by malicious users in e-commerce, we propose a trust calculation model based on social network. Through analysing the trust features, social network is introduced into this trust model to get information from the most trusted source according to the subjectivity and the compositionality feature of trust to improve the buyers' situation of asymmetric information in electronic...
Social network can be generally defined as a group of individuals who are connected by a set of relationships. A key characteristic of social networks is their continual change. However, the bulk of the analysis methods developed and popularized in the field of computer were static in that all information about the time that social interactions take place is discarded. Although recently there is some...
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