Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Chia-Hui Chang and Chih-Hao Chang and Mohammed Kayed,FiVaTech2 : A Supervised Approach to Role Di erentiation for Web Data Extraction From Template Pages,人工知能学会全国大会論文集,13479881,[東京] : 人工知能学会,2012,26,,1-9,https://cir.nii.ac.jp/crid/1520009407384718336,