Takako Hashimoto Takashi Katooka Atsushi Iizawa Personal Digest System for Professional Baseball Programs in Mobile Environment. 396-400 2003 conf/mdm/2003 Mobile Data Management http://link.springer.de/link/service/series/0558/bibs/2574/25740396.htm db/conf/mdm/mdm2003.html#HashimotoKI03