著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Amatriain,I like it...I like it not: evaluating user ratings noise in recommender systems,,,,2009,,,247,https://cir.nii.ac.jp/crid/1370006607045366175,