Fuzzy Query Based on Non-numeric Attribute Keywords over Relational Databases
关系数据库上基于非数值属性关键词的模糊查询

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...