Yuuki Sato Takehito Utsuro Yoshiaki Murakami Tomohiro Fukuhara Hiroshi Nakagawa Yasuhide Kawada Noriko Kando Analysing features of Japanese splogs and characteristics of keywords. 33-40 2008 AIRWeb http://doi.acm.org/10.1145/1451983.1451993 conf/airweb/2008 db/conf/airweb/airweb2008.html#SatoUMFNKK08