Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MASUNAGA Y.,Design and Implementation of a Multi-modal User Interface ofthe Virtual World Database System (VWDB),"International Conference on Database Systems forAdvanced Application (DASFAA), 2001",,,2001,,,,https://cir.nii.ac.jp/crid/1570572699941911168,