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CiNii is a database service which can be searched with academic information of articles, Books, Journals & Dissertations.
It is available free of charge for anyone. CiNii Citation index to over 15 million articles published in Japanese academic journal with limited free full text access (3.7 million articles).
Journal articles, theses or dissertations, departmental bulletin papers, and research papers, which are accumulated in Japanese institutional repositories, can be searched for cross-sectionally. Full text access to 1 million articles.
National union catalog for Japan, from the National Diet Library. Besides books and journals, it contains information on maps, dissertations, rare books, audio-visual materials, and electronic resources. Digitized versions of 100,000+ volumes of monographs published before 1912 are linked directly from each record.
Gateway to statistics generated by government offices. It.plays the central role in the official statistical system in producing and disseminating basic official statistics such as Population Census, and coordinating statistical work under the Statistics Act and other legislation.
Since 2002, Web Archiving Project (WARP) has been archiving Japanese official institutions' websites since : the government, the Diet, the courts, local governments, independent administrative organizations, and universities. Websites of cultural and international events held in Japan, and those related to online periodicals, are also archived based on the permission of their webmasters.