VisClean: interactive cleaning for progressive visualization

2020 
Data visualization is crucial in data-driven decision making. However, bad visualizations generated from dirty data often mislead the users to understand the data and to draw wrong decisions. We present VisClean, a system that can progressively visualize data with improved quality through interactive and visualization-aware data cleaning. We will demonstrate two main features of VisClean: (1) Easy-to-use: the users can easily answer data cleaning questions through a novel GUI; and (2) Cheap-to-clean: the quality of bad visualizations can be significantly improved in a few interactions.
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