Yumiko Mizoguchi-Shimogori Toshiaki Nakamoto Kazuma Asakawa Shinichi Nagano Masumi Inaba Takahiro Kawamura TV Navigation Agent for Measuring Semantic Similarity Between Programs. 75-84 2007 conf/otm/2007-w1 OTM Workshops (1) http://dx.doi.org/10.1007/978-3-540-76888-3_27 db/conf/otm/otm2007-w1.html#Mizoguchi-ShimogoriNANIK07