| Abstract |
近年，YouTube や Dailymotion に代表される動画共有サービスが人気を呼んでいる． 我々はそのひとつであるニコニコ動画に着目し，動画の推薦について研究している．本稿では，視聴者が動画に付与したコメントを 2-gram に分解し，TF-IDF 値を用いて動画毎の特徴を捉えた.
A lot of video hosting services are provided on the w...eb such as YouTube, and Nicovideo. Nicovideo is a poplar movie uploading and streaming service in Japan. Videos are given not only metadata such as title, creator, upload date and video length by the creator, but also a lot of annotation such as comments by viewers. In this paper, w e decompose comm ents by 2-gram , captured som e features of videos using the tf-idf weight.show more
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IPSJ-HJS2011-B45