In order to promote open access by Japan's institutional repositories, libraries have been asking researchers to provide articles. However, since its advantage is unclear, the success rate of the activity has been stagnant. Considering the situation, this study examined whether the advantage exists, focusing on citations. Although the number of open access articles by Japan's institutional repositories is limited, a comparison of their citations with those of various types of open access articles did not confirm the advantage.
Recently information environment in which libraries operate has dramatically changed, as the Internet prevails all over the world and electronic publishing technology quickly evolves. With this background, it has emerged as a real challenge for libraries to properly manage electronic resources and improve access to them by library users. In this article efforts of academic libraries in North America are reported, with special focus on DLF(Digital Library Federation) ERMI(Electronic Resource Management Initiative).
More than 800 institutional repositories exist in Japan, but only a few institutions are active in registering journal articles. In this study, we analyzed the causal relation between the number of journal articles and librarians' open access promotion activities to provide good practice guidelines to the institutional repository community. Quantitative analysis results using data from 87 domestic institutions showed "request for journal articles", a direct approach to researchers, was estimated particularly influential in increasing the number of journal articles. On the other hand, activities, for instance, in developing an "open access policy" or implementing "self-archiving" were found less influential. Additional collected data from 4 institutions regarding the "request for journal articles" to understand the details of the causal relation revealed an annual success rate averaged 36.32%. Furthermore, the data showed the annual success rate of an institution implementing it most effectively averaged 55.82%, reaching a peak of 73.20%.
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