@article{weko_141536_1, author = "Takamasa,Higuchi and Hirozumi,Yamaguchi and Teruo,Higashino", title = "Mobile Devices as an Infrastructure: A Survey of Opportunistic Sensing Technology", journal = "Journal of information processing", year = "2015", volume = "23", number = "2", pages = "94--104", month = "mar" }