Sample-based collection and adjustment of rules for metadata extraction in business documents.Published in:Electronics & Communications in Japan, 2012, v. 95, n. 6, p. 1, doi. 10.1002/ecj.11373By:Matsumoto, Toshiko;Oba, Mitsuharu;Onoyama, Takashi;Akiyoshi, MasanoriPublication type:Article