MeT: a real world oriented metadata management system for semantic sensor networks. - Hideyuki Kawashima; Yutaka Hirota; Satoru Satake; Michita Imai (DMSN, 2006)

Semantic Sensor Network for Physically Grounded Applications. - Michita Imai; Yutaka Hirota; Satoru Satake; Hideyuki Kawashima (ICARCV, 2006)