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Due to maintenance of network server "", a part of "Research on Japanese as a Second Language" service is stopped.

[ jp ] = Japanese version only.

Compound Verb Lexicon

The World Atlas of Transitivity Pairs

Compilation of Japanese language Corpora "KOTONOHA"

Research Literature Bibliographic Data

The Study of Japanese Dialects and Speech Behavior in Daily Life

Research on Japanese as a Second Language

Integrated Retrieval System -NIHU

Six research institutes make up National Institutes for the Humanities: National Museum of Japanese History, National Institute of Japanese Literature, National Institute for Japanese Language and Linguistics, International Research Center for Japanese Studies, Research Institute for Humanity and Nature, and National Museum of Ethnology.
The over 100 databases that they provide can be collectively cross searched. In addition, with the space-time data that the individual databases provide, integrated retrieval and display functions have been achieved.