Jie Cheng Christor Hatzis Hisashi Hayashi Mark-A. Krogel Shinichi Morishita David Page Jun Sese 47-64 2002 3 SIGKDD Explorations 2 http://doi.acm.org/10.1145/507515.507523 db/journals/sigkdd/sigkdd3.html#ChengHHKMPS02