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) Maryam Khanian Najafabadi and Azlinah Mohamed and Choo Wou Onn,An impact of time and item influencer in collaborative filtering recommendations using graph-based model,Information Processing & Management,0306-4573,Elsevier BV,2019-05,56,3,526-540,https://cir.nii.ac.jp/crid/1360294647500895616,https://doi.org/10.1016/j.ipm.2018.12.007