Dr. Chung Lee Profile

Dr. Chung Lee

at California State Polytechnic Univ Pomona

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Proceedings Article | 28 January 2008 Paper

Visualization of multidimensional database

Chung Lee

Proceedings Volume 6809, 68090M (2008) https://doi.org/10.1117/12.768405

KEYWORDS: Databases, Visualization, Data modeling, Software engineering, Stars, Lamps, Excel, OpenGL, 3D displays, C++

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The concept of multidimensional databases has been extensively researched and wildly used in actual database application. It plays an important role in contemporary information technology, but due to the complexity of its inner structure, the database design is a complicated process and users are having a hard time fully understanding and using the database. An effective visualization tool for higher dimensional information system helps database designers and users alike. Most visualization techniques focus on displaying dimensional data using spreadsheets and charts. This may be sufficient for the databases having three or fewer dimensions but for higher dimensions, various combinations of projection operations are needed and a full grasp of total database architecture is very difficult. This study reviews existing visualization techniques for multidimensional database and then proposes an alternate approach to visualize a database of any dimension by adopting the tool proposed by Kiviat for software engineering processes. In this diagramming method, each dimension is represented by one branch of concentric spikes. This paper documents a C++ based visualization tool with extensive use of OpenGL graphics library and GUI functions. Detailed examples of actual databases demonstrate the feasibility and effectiveness in visualizing multidimensional databases.

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