This paper is an analysis on various influences of interdependencies to open source software and free software (OSS) in Japan. On one hand, this paper criticizes some previous studies on OSS which simplify interdependencies of OSS developers. On the other hand, this paper focuses on the various characters of interdependencies which were discovered by previous studies about Japanese culture. The previous studies on OSS emphasize the positive side of interdependencies. However, this paper focuses also on the negative side of interdependencies which is insisted by K. Abe. This paper analyzes the interdependencies through an online research. According to the analysis, we can estimate the interdependencies to be influential in carrying out OSS projects.

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All the students do not use library in a same manner. Each one has his/her own common use. Which library service they choose and how frequent they use the library vary according to students. This means that the preference for services and frequency of use depend on users' context that consists of the use motivation, skills and so on. This study aims at exploring the features in students' library use and their learning outcomes derived from the use. As a result of the paper survey and focus group interviews to students using Keio University Shonan Fujisawa Media Center, four student groups was identified in terms of the their usage pattern and each group shows proper characteristic in its outcomes.

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