National Institute of Informatics


May 19, 2022

The National Institute of Informatics (NII) is a Japanese inter-university research institute located in the Academic Center Building in Hitotsubashi, Chiyoda-ku, Tokyo. It constitutes the Research Organization of Information and Systems. The predecessor of the National Center for Science Information Systems (abbreviation: NACSIS) was established in 2000. As of April 2012, 127 staff members, 107 visiting professors, 22 specially appointed professors, 214 specific fixed-term employees, and 126 graduate students are enrolled. The annual budget is 10.7 billion yen (FY2012).

Background of establishment

In May 1997, the Japan Academy of Sciences proposed the establishment of a core research institute for computer science research in Japan in "Promotion of Computer Science Research", and in January 1998, the Ministry of Education Academic Council proposed "Information". In the proposal of "Measures to Promote Academic Research", it was proposed to establish an information research institute as a university joint-use institution. In response to this, the Ministry of Education launched the "Meeting of Research Collaborators on the Ideal Way of Core Academic Research Institutes in the Information Field" as a preparatory organization. The council recommended the establishment of a new research institute through a reorganization centered on the Academic Information Center.

Activities / Business

Two aspects: one as an academic research institute (recently, as the name suggests, mainly in the field of informatics), and one as an operator of academic information service providers (GeNii, etc.) and academic networks (SINET / SUPER SINET). There is. In addition, he participates in the Graduate University for Advanced Studies and provides educational guidance for doctoral students as a major in informatics, Graduate University for Advanced Studies. We have promoted standardization in the field of literature information and standardization in the field of academic information. The amount of bibliographic information transmitted in Japan has already far exceeded hundreds of thousands per year, and the number of bibliographic (document) information on the Internet is reaching hundreds of millions. Book literature information can be classified by classification information such as Nippon Decimal Classification (NDC) and ISSN, but literature classification such as on the Internet and patent literature has not been standardized, so in some cases. It was difficult. In order to solve this problem, we have promoted activities as a national standardization organization in the field of information retrieval by cooperating with the Japan Patent Attorneys Association and the affiliated organizations of the Japan Patent Office, and also with Internet providers.

Activities in the Information Retrieval Field

As standardization research in the field of informatics, research activities are being actively carried out, especially in the field of information retrieval. We have planned and are still conducting NTCIR with NIST (National Institute of Standards and Technology). This is a research and development competition aimed at advancing search technology, and its fields include general information retrieval, automatic summarization, patent retrieval, and Q & A retrieval. NTCIR is not a manned search, but a competition (performance evaluation) by automatic search to the last, and the algorithm introduced there may be a search method based on classical theory, or it is a newly developed one. There may be. It is performed by a method of evaluating search results for a specific search task based on tagged information (in a format such as XML). In addition, Webcat Plus and GeNii, which apply the open source advanced search system GETA developed by teams such as Hitachi Basic Research Laboratories, will be put into practical use. Being a national intelligence agency, we are also working on standardization issues in the information retrieval field, as well as issues such as tagging methods and automatic summarization. �