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HCIL-99-18

Harris, C., Allen, R., Plaisant, C., Shneiderman, B. (June 1999)
Temporal Visualization for Legal Case Histories
ASIS'99 Proceedings of the 62nd Annual Meeting of the American Society for Information Sciences, Conference October 31-November 4, 1999, Vol. 36, 271-279.
HCIL-99-18, CS-TR-4047

This paper discusses visualization of legal information using a tool for temporal information called LifeLines. The direct and indirect histories of cases can become very complex. We explored ways that LifeLines could aid in viewing the links between the original case and the direct and indirect histories. The Apple Computer, Inc. v. Microsoft Corporation and Hewlett Packard Company case is used to illustrate the prototype. For example, if users want to find out how the rulings or statutes changed throughout this case, they could retrieve this information within a single display. Using the timeline, users could also choose at which point in time they would like to begin viewing the case. LifeLines support various views of a case's history. For instance, users can view the trial history of a case, the references involved in a case, and citations made to a case. The paper describes improvements to LifeLines that could help in providing a more useful visualization of case history.

Keywords: Graphical user interface, information visualization, legal information, temporal data, history


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