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K. Matkovic et al.:
"Event Line View: Interactive Visual Analysis of Irregular Time-dependent Data";
Talk: Smart Graphics 2010, Banff, Canada; 2010-06-24 - 2010-06-26; in: "10th International Symposium on SMART GRAPHICS 2010", (2010), 208 - 219.

In this paper we present a novel approach to visualize ir- regularly occurring events. We introduce the event line view designed speci¯cally for such events data (a subset of time dependent data). The event line view is integrated in a coordinated multiple views (CMV) system and linked with other conventional views to support interactive visual analysis. The main idea is to analyze events relative to two cat- egorical attributes from a multidimensional multivariate dataset. Since we are interested in the categorical dimension we have also integrated and linked the tag cloud view in the CMV system. To the best of our knowledge this is the ¯rst integration of the tag cloud view in a CMV system. The tag cloud view can depict a ratio of the selected items versus the non-selected items. The proposed approach is illustrated using the VAST Challenge 2008 Geo-Spatial data set that contains data on interdiction or landing of ille- gal immigrants in the USA. It is a multivariate multidimensional dataset with irregular events that illustrates the potential and capabilities of the proposed approach and the developed CMV system.

http://publik.tuwien.ac.at/files/PubDat_191711.pdf