Center for methodology and informatics (CMI), established in 1992, integrates research fields of social science methodology an social informatics. The main research topics of CMI are methods for network analysis, measuring social networks, measuring information society phenomena, mathematical models in social sciences, online community research and research of children on the internet. CMI is internationally renowned for its scientific achievements in the field of developing methods and tools for network analysis. CMI intensively collaborates with numerus national and international institutions and activelly applies and collaborates on international projects.