Yoshikiyo Kato Daisuke Kawahara Kentaro Inui Sadao Kurohashi Tomohide Shibata Extracting the author of web pages. 35-42 2008 WICOW http://doi.acm.org/10.1145/1458527.1458537 conf/cikm/2008wicow db/conf/cikm/wicow2008.html#KatoKIKS08