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unitjava(½ð±Ò+5, ·­ÒëEPI+1): with and without ÕâÑù¿ÉÓÃÂð£¿compareºóÊÇ·ñÓ¦ÓÃwas¶ø²»ÊÇwereÄØ£¿ 2011-11-26 21:31:43
unitjava(½ð±Ò+5): лл£¡ÁíÎÊ£º¼ÓȨµ÷½ÚÒò×Ó ÔõÑùÒëºÃ£¿ 2011-11-26 21:50:44
First£¬ten users submitted key words to the system interface by ten times for each user, getting the searching results. Then, the users submitted the same keywords again, with the characteristic information of ¡°food requirement¡± and ¡°medical records in recent one month¡±£¬ and got the searching results.

The compare of the situations with and without characteristic information were as follows.
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