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unitjava(金币+3, 翻译EPI+1): 多谢！ 2011-11-26 22:54:08

Compare the precision ratio between the situations with and without characteristic information.
After adding the characteristic information for information search, the evaluation of the users to the searching results illustrated that the precision ratio of the system was improved apparently. Comparing to the recall ratio, the precision ratio was particularly emphasized by the information search based on the context aware to improve the users' satisfaction.

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