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)
Perera D.,Clustering and Sequential Pattern Mining of Online Collaborative Learning Data,IEEE Transactions 一 on Knowledge and Data Engineering,,,2009,21,6,759-772,https://cir.nii.ac.jp/crid/1572543024188932864,