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) Linas Baltrunas and Bernd Ludwig and Francesco Ricci,Matrix factorization techniques for context aware recommendation,Proceedings of the fifth ACM conference on Recommender systems,,ACM,2011-10-23,,,,https://cir.nii.ac.jp/crid/1363388844867600512,https://doi.org/10.1145/2043932.2043988