Tsuyoshi Kitani Yasushi Ogawa Tetsuya Ishikawa Haruo Kimoto Ikuo Keshi Jun Toyoura Toshikazu Fukushima Kunio Matsui Yoshihiro Ueda Tetsuya Sakai Takenobu Tokunaga Hiroshi Tsuruoka Hidekazu Nakawatase Teru Agata Lessons from BMIR-J2: A Test Collection for Japanese IR Systems. 345-346 1998 conf/sigir/98 SIGIR SIGIR1998/P345.pdf db/conf/sigir/KitaniOIKKTFMUSTTNA98.html db/conf/sigir/sigir98.html#KitaniOIKKTFMUSTTNA98