著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) MALDENIC D.,Feature Selection for Classification based on Text Hierarchy,"Working notes of Learning from Text and the Web, CONALD'98",,,1998,,,,https://cir.nii.ac.jp/crid/1573105975353427968,