Xiaolong Luke Zhang

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Graphical fisheye view is an effective technique for visualizing and navigating large information structures. However, there are still technical difficulties that hinder its broader applications. One of the prominent problems is the varying length effect seen in most fisheye views. The varying length effect refers to a phenomenon that the length (or height)(More)
Social media data with geotags can be used to track people's movements in their daily lives. By providing both rich text and movement information, visual analysis on social media data can be both interesting and challenging. In contrast to traditional movement data, the sparseness and irregularity of social media data increase the difficulty of extracting(More)
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