On April 9, a patent for invention which our school has applied was accredited by State Intellectual Property Office. The name of this invention is called “a filtering method and device for junk mails based on cooperative training” (Patent No.ZL 2011 1 0369697.6), and the inventors are Xu Yan, Qiu Yongqin, Li Dan and Zhou Meilin (the following three are students, and the patentee is Beijing Language and Culture University). The basic thought for this invention is to filter attacking emails using social hot topics.

　　This invention offered a filtering method and device for junk mails based on cooperative training, and it can clarify and filter large-scale data in a fewer examples.