@article{weko_12786_1, author = "Masahiro,Wakiyama and Hideki,Noda and Koichi,Nozaki and Eiji,Kawaguchi", title = "Computation Algorithm of Semantic Difference Measure in the SD - Form Semantics Model", journal = "情報処理学会論文誌", year = "1999", volume = "40", number = "3", pages = "1065--1079", month = "mar" }