Leila Weitzel

Learn More
The Web is an important source for people who are seeking healthcare information. Users, who search for health information online, do so without professional guidance. A major problem faced is the possibility that poor information has detrimental effects on health. In this sense, the main goal of this work is to provide a framework that evaluates health web(More)
Social Networks (SN) are created whenever people interact with other people in online social networks, such as Twitter, Google+, Facebook and etc. Twitter is a social networking and micro-blogging service; it creates several new interesting social network structures. In this sense, our main goal is to investigate the power of retweet mechanism. The findings(More)
Opinion mining is a process, used for automatic extraction of knowledge from the opinion of others about some particular topic or problem. Further, opinions are subjective expressions that describe people's viewpoints, perspectives or feelings about entities, events and theirs properties. Detecting subjective expressions is the task of identifying whether a(More)
  • 1