Associate Professor in the Department of Computer Science at the University of Chile, She has worked as a researcher at the Yahoo! Research Lab in Santiago, and later joined the academic team of the University of Chile. She is one of the leaders of the PRISMA research project of the Department of Computer Science of the University of Chile. Her work on time-dependent credibility in microblog platforms, published in the World Wide Web Conference and in the journal Internet Research, has been covered by leading scientific media such as Scientific American Magazine, The Wall Street Journal, and Slate Magazine, among others. Bárbara is part of the program committees of the conferences SIGIR, ECIR, CIKM and Grace Hopper Celebration of Women in Computing in Chile. His areas of interest are web data mining, online analysis of social networks and information retrieval from the web.