%0 Journal Article
%T Fuzzy Query Based on Non-numeric Attribute Keywords over Relational Databases<br>关系数据库上基于非数值属性关键词的模糊查询
%A YANG Lu-ming
%A WANG Jia-yi
%A XIE Dong
%A <br>杨路明
%A 王佳宜
%A 谢东
%J 计算机科学
%D 2008
%I 
%X KSORD (keyword search over relational database) techniques allow users to obtain information from databases,which is just like using search engines. However,the advanced techniques only realize exact queries,but not for fuzzy queries. The Rocchio algorithm of learning classification is introduced which is made a little changed to achieve keyword search over relational databases. Connected with dissimilarity and correlation calculated,returned result sets are ranked in descendant order according to correlati...
%K Relational databases
%K Keywords
%K Fuzzy query<br>关系数据库
%K 关键词
%K 模糊查询
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=64A12D73428C8B8DBFB978D04DFEB3C1&aid=26F59FA57391FEBB4AF9AA9CE865C83F&yid=67289AFF6305E306&vid=6209D9E8050195F5&iid=B31275AF3241DB2D&sid=FBCA02DBD05BD4EA&eid=1DF3F9D75A12D97B&journal_id=1002-137X&journal_name=计算机科学&referenced_num=0&reference_num=6