Behavior Detection Based on Touched Objects with Dynamic Threshold Determination Model. - Hiroyuki Yamahara; Hideyuki Takada; Hiromitsu Shimakawa (EuroSSC, 2007)

Detection of User Mode Shift in Home. - Hiroyuki Yamahara; Hideyuki Takada; Hiromitsu Shimakawa (UCS, 2007)

Navigating Users Based on Estimation of Interest Vectors with Utility Function. - Fumiko Harada; Yosuke Nakagawa; Hisashi Ishii; Hiroyuki Yamahara; Hiromitsu Shimakawa (C5, 2008)

Personalizing Threshold Values on Behavior Detection with Collaborative Filtering. - Hiroyuki Yamahara; Fumiko Harada; Hideyuki Takada; Hiromitsu Shimakawa (UIC, 2008)