%0 Journal Article %T Experimental DML over digital repositories in Japan %A Takao Namiki %A Hiraku Kuroda %A Shunsuke Naruse %J Computer Science %D 2009 %I arXiv %X In this paper the authors show an overview of Virtual Digital Mathematics Library in Japan (DML-JP), contents of which consist of metadata harvested from institutional repositories in Japan and digital repositories in the world. DML-JP is, in a sense, a subject specific repository which collaborate with various digital repositories. Beyond portal website, DML-JP provides subject-specific metadata through OAI-ORE. By the schema it is enabled that digital repositories can load the rich metadata which were added by mathematicians. %U http://arxiv.org/abs/0907.3826v1