A novel wayfinding system based on geo-coded qr codes for individuals with cognitive impairments. - Yao-Jen Chang; Shih-Kai Tsai; Yao-Sheng Chang; Frank Tsen-Yung Wang (ASSETS, 2007)

WADER: a novel wayfinding system with deviation recovery for individuals with cognitive impairments. - Shih-Kai Tsai (ASSETS, 2007)

Action Science Approach to Experimenting Nonprofit Web 2.0 Services for Employment of Individuals with Mental Impairments. - Yao-Jen Chang; Frank Tsen-Yung Wang; Yu-Chia Chuang; Shih-Kai Tsai (Web Intelligence/IAT Workshops, 2007)

An Indoor Wayfinding System Based on Geo-coded QR Codes for Individuals with Cognitive Impairments. - Yao-Jen Chang; Shih-Kai Tsai; Li-Der Chou; Tsen-Yung Wang (J. Convergence Inf. Technol., 2007)

A context aware handheld wayfinding system for individuals with cognitive impairments. - Yao-Jen Chang; Shih-Kai Tsai; Tsen-Yung Wang (ASSETS, 2008)