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A group of people is often required to reach a joint decision and choose a single activity in which they will all participate. Members of such group often interact via online social networks. Group decision making requires knowledge of members’ preferences; however, in many cases the members’ preferences are not fully available. We consider a scenario where preferences are known only partially and...
In the recent years we have seen a significant growth in the usage of online social networks. Common networks like Facebook, Twitter, Pinterest, and Linked In have become popular all over the world. In these networks users write, share, and publish personal information about themselves, their friends, and their workplace. In this study we present a method for the mining of information of an organization...
Online social networking sites have become increasingly popular over the last few years. As a result, new interdisciplinary research directions have emerged in which social network analysis methods are applied to networks containing hundreds millions of users. Unfortunately, links between individuals may be missing due to imperfect acquirement processes or because they are not yet reflected in the...
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