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) FREITAG D.,Information extraction from HTML; Application of a general machine learning approach,Proc. AAAI-98,,,1998,,,,https://cir.nii.ac.jp/crid/1574231874338108800,