Zoltán Kmetty, PhD, is a postdoc at the Hungarian Academy of Sciences Centre for Social Sciences; and a senior lecturer at the Eötvös Loránd University Faculty of Social Sciences. Ha has diverse research interest including political sociology, network studies and suicide research. He is an expert of methodology, survey design and quantitative analysis. . The last 3 years he started to deal with Big Data analysis and text mining more intensively. His postdoc position at HAS CSS-Recens research group is also strongly linked to CSS and text mining. He has published several papers in high quality international journals like Social Networks (IF: 2.5), Journal of European Public Policy (IF:2.9) Crisis (IF: 2.1) and East European Journal of Politics and Societies (IF: 0.8).