Department of Information Management National Yunlin University of Science and Technology 123, University Road, Section 3, Touliu, Yunlin, Taiwan, 640, R.O.C.
Useful patterns or knowledge may hide in huge amount of data. By properly analyzing and mining the data, an analyst can uncover and provide useful information to executives for decision-making. In order to facilitate data exploration task to those data analysts who are not computer professionals or executives, a system has to be user-friendly and capable of supporting unstructured what-if type data analysis. This paper proposes a graphical data analysis model based on attribute hierarchy and an extended relational query language, providing an interactive data analysis environment for the data analysts who are not computer professionals to perform what-if data analysis.
Keywords:exploratory data analysis, on-line analytical processing, information visualization, decision support system
Cite this article as: Chung-Chian Hsu, "Graphical On-Line Data Analysis," Journal of the Chinese Institute of Industrial Engineers, 18, 27 -36 (2001).