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Explore the use of visualization techniques in identifying and managing risks, presenting requirements, and evaluating mitigation options. This paper summarizes visualization capabilities employed in the risk-based decision-making process.

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  1. Experiences using Visualization Techniques to Present Requirements, Risks to them, and Options for Risk Mitigation Paper Presentation Authors: Martin S. Feather, Steven L. Conford, James D. Kiper, Tim Menzies CST 294 – Topic: Interactive Graphics & Visual Analytics Presentation by: Rehman chughtai

  2. Introduction • Risk-based decision process to guide development and application of advanced technologies, and for research and technology portfolio planning. • Jet Propulsion Laboratory California Institute of Technology • http://www.jpl.nasa.gov/

  3. Introduction (excerpt from Abstract) “…The process is supported by custom software, in which visualizationplays an important role. During requirements gathering, visualization is used to help scrutinize the status (completeness, extent) of the information. During decision making based on the gathered information, visualization is used to help decision makers understand the space of options and their consequences. In this paper we summarize the visualization capabilities that we have employed, indicating when and how they have proven useful”.[Feather et al.]

  4. Figure 1. Bar chart of Risks’ status

  5. Figure 2. Ranges of risks

  6. Figure 3. Treemap display of requirements

  7. Figure 4. 2-D chart of risks

  8. Figure 5. Comparing two designs' risks

  9. Figure 6. Kiviat chart of several designs' risks

  10. Figure 7. Cost-benefit tradespace chart

  11. Figure 8. Neighborhood of interest

  12. Figure 9. Convergence as iterations identifykey decisions

  13. Figure 10. Contribution of an individualmitigation

  14. Figure 11. Snapshots of each Mitigations'contributions

  15. Figure 12. Visualization of 10 dispersedsolutions

  16. Figure 13. Visualization of clusters ofsolutions

  17. Figure 14. Topology of Needs-Areas-Researchers

  18. Figure 15. Topology coupled with bar chart

  19. Figure 16. Fulfillment of needs from severalresearch efforts

  20. References • Feather, M. S., Cornford, S. L., Kiper, J. D., & Menzies, T. (2006, September). Experiences using visualization techniques to present requirements, risks to them, and options for risk mitigation. In Requirements Engineering Visualization, 2006. REV'06. First International Workshop on (pp. 10-10). IEEE. • http://www.jpl.nasa.gov/

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