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Lecture Notes in Computer Science
There is a growing interest in the analysis of data in warehouses. Data warehouses can be extremely large and typical queries frequently take too long to answer. Manageable and portable summaries return interactive response times in exploratory data analysis. Obtaining the best estimates for smaller response times and storage needs is the objective of simple data reduction techniques that usually produce coarse approximations. But because the user is exposed to the approximation returned, it isdoi:10.1007/3-540-48298-9_40 fatcat:xiqv7rmuzvbaldn4nvcof3xbaq