Accessing the Deep Web: A Survey fandyvon 8 years ago 原文链接： http://www.cnblogs.com/painmoth/p/3407119.html http://www.inf.ufsc.br/~ronaldo/deepWeb/querying/Chang-dwsurvey-cacm07.pdf 转载于:https://www.cnblogs.com/painmoth/p/3407119.html
