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Informatics Colloquium 26.2. Causality in Time Series: A Short Introduction and Current ChallengeInformatics Colloquium 26. 2. 2019, 14:00 lecture hall D2 RNDr. Kateřina Schindlerová, CSc., Faculty of Computer Science, University of Vienna Causality in Time Series: A Short Introduction and Current Challenge Abstract: We explain the concept of quantitative causality by various approaches and focus on Granger causality. Causality among a higher number of processes by means of graphical Granger causality will be presented and its applications shown. Current questions and open problems will be sketched from the point of view of heterogeneous and big data.