| 摘要 |
A method and system for computer-based visual data evaluation which allows on-the-fly viewing, evaluation, and querying of complex databases (20, 34) with simple user operations. A visual chart representation of a data set (30) is used to select display data subsets through interaction between the user within the chart of the data set (60). The results of the user's data subset selections are displayed in the chart (30). The visual symbols may be used as software buttons (42, 46, 91, 92, 50, 93, 94, 95, 96, 97, 98) for selecting for display the associated data subset and other operations. Visual data evaluation includes browsing, querying and manipulation of data and other information (22, 54, 52, 20) within a database by providing chart representations of database data and operating only on the attributes (74, 75) of the chart (30) and within the data area of the chart (30).
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