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A Visual Data Exploration Framework for Complex Problem Solving Based on Extended Cognitive Fit Theory

  • Ying Zhu
  • Xiaoyuan Suo
  • G. Scott Owen
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5876)

Abstract

In this paper, we present a visual data exploration framework for complex problem solving. This framework consists of two major components: an enhanced task flow diagram and data visualization window. Users express their problem solving process and strategies using the enhanced task flow diagram, while multiple frames of visualizations are automatically constructed in the data visualization window and are organized as a tree map. This framework is based an extended Cognitive Fit Theory, which states that a data visualization should be constructed as a cognitive fit for specific tasks and a set of data variables. It also states that the structure of multiple data visualizations should match the structure of the corresponding tasks. Therefore, in our framework, data is presented in either visual or non-visual format based on the cognitive characteristic of the corresponding task. As users explore various problem solving strategies by editing the task flow diagram, the corresponding data visualizations are automatically updated for the best cognitive fit. This visual data exploration framework is particularly beneficial for users who need to conduct specific and complex tasks with large amount of data. As a case study, we present a computer security data visualization prototype.

Keywords

information visualization task Cognitive Fit 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Ying Zhu
    • 1
  • Xiaoyuan Suo
    • 2
  • G. Scott Owen
    • 1
  1. 1.Department of Computer ScienceGeorgia State UniversityAtlantaUSA
  2. 2.Mathematics and Computer Science DepartmentWebster UniversitySt. LouisUSA

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