Say you are looking for information about a particular person. A search engine returns many pages for that person's name but which pages are about the person you care about, ...
Characterizing the relationship that exists between a person's social group and his/her personal behavior has been a long standing goal of social network analysts. In this pa...
Influential people have an important role in the process of information diffusion. However, there are several ways to be influential, for example, to be the most popular or the...
Today, a number of algorithms exist for constructing tag hierarchies from social tagging data. While these algorithms were designed with ontological goals in mind, we know very li...
Social network services have become a viable source of information for users. In Twitter, information deemed important by the community propagates through retweets. Studying the c...