Manchul Han Gunhee Kim Se Hyung Park Laehyun Kim Sungdo Ha Process and Location-Aware Information Service System for the Disabled and the Elderly. 207-215 2009 HCI (7) http://dx.doi.org/10.1007/978-3-642-02713-0_22 conf/hci/2009-7 db/conf/hci/hci2009-7.html#HanKPKH09