抄録
Google is a popular search engine but censors search engine results. This paper produces a system of discovering semi-automatically web pages that are removed from search results by Google censorship in Japan. This paper also analyzes removed web pages that are discovered by the system. The aim of this analysis is to find the tendency of the censorship. The method of discovering web pages that are removed from search results by Japanese Google censorship uses the difference between Google search engine results in America and in Japan. The experiment in this paper discovers 169 web pages that are removed by Japanese Google censorship in 2008 and 187 web pages in 2011.
