The ImpressionRank of a web page (or, more generally, of a web site) is the number of times users viewed the page while browsing search results. ImpressionRank captures the visibi...
This paper describes how to generate compositions of semantic Web services using social trust information from user ratings of the services. We present a taxonomy of features, suc...
Web users are spending more of their time and creative energies within online social networking systems. While many of these networks allow users to export their personal data or ...
Social media sites (e.g., Flickr, YouTube, and Facebook) are a popular distribution outlet for users looking to share their experiences and interests on the Web. These sites host ...
We present a framework for automatically summarizing social group activity over time. The problem is important in understanding large scale online social networks, which have dive...