Visualizing Sets and Set-typed Data: State-of-the-Art and Future Challenges

B. Alsallakh, L. Micallef, W. Aigner, H. Hauser, S. Miksch, P. Rodgers:
"Visualizing Sets and Set-typed Data: State-of-the-Art and Future Challenges";
Hauptvortrag: Eurographics Conference on Visualization, Swansea, UK; 09.06.2014 - 13.06.2014; in:"Eurographics Conference on Visualization - State of The Art Reports", R. Borgo, R. Maciejewski, I. Viola (Hrg.); Eurographics, (2014), S. 1 - 21.

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A variety of data analysis problems can be modelled by defining multiple sets over a collection of elements and analyzing the relations between these sets. Despite their simple concept, visualizing sets is a non-trivial problem due to the large number of possible relations between them. We provide a systematic overview of state-of-the-art techniques for visualizing different kinds of set relations. We classify these techniques into 7 main categories according to the visual representations they use and the tasks they support. We compare the categories to provide guidance for choosing an appropriate technique for a given problem. Finally, we identify challenges in this area that need further research and propose possible directions to address these challenges