Yoji Kiyota Hiroshi Nakagawa Satoshi Sakai Tatsuya Mori Hidetaka Masuda Exploitation of the wikipedia category system for enhancing the value of LCSH. 411-412 2009 JCDL http://doi.acm.org/10.1145/1555400.1555488 conf/jcdl/2009 db/conf/jcdl/jcdl2009.html#KiyotaNSMM09