Daniel Gayo-Avello is an Associate Professor at the Department of Computer Science in the University of Oviedo. His main area of interest is Web Mining with a focus on social media. He has published in venues such as Communications of the ACM, IEEE Internet Computing, and IEEE Multimedia. He co-edited a special issue of Internet Research on the predictive power of social media, and contributed a chapter on Political Opinion to the book Twitter: A Digital Socioscope.