Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HIRATA Toshiyuki and ITO Takayuki and KUNIFUJI Susumu,The Communication Support System based on Location Information with Privacy Protection,Conference Proceedings of Japan Society for Software Science and Technology,1349-3515,Japan Society for Software Science and Technology,2003,2003,0,19-19,https://cir.nii.ac.jp/crid/1390001205525174528,https://doi.org/10.11309/jssstconference.2003.0.19.0