Affiliation: | 1. Department of Computer Science, Eötvös Loránd University, H-1117 Budapest, Pázmány Péter sétány 1/C, Hungary;2. MTA-ELTE Geometric and Algebraic Combinatorics Research Group, H-1117 Budapest, Pázmány Péter sétány 1/C, Hungary;3. Prezi.com, H-1088 Budapest, Krúdy Gyula utca 12, Hungary |