Protection of Privacy in Pervasive Computing Environments. - Heng Seng Cheng; Daqing Zhang 001; Joo Geok Tan (ITCC (2), 2005)

Enhancing Semantic Spaces with Event-Driven Context Interpretation. - Joo Geok Tan; Daqing Zhang 001; Xiaohang Wang 002; Heng Seng Cheng (Pervasive, 2005)

Handling Heterogeneous Device Interaction in Smart Spaces. - Daqing Zhang 001; Manli Zhu; Heng Seng Cheng; Yenkai Koh; Mounir Mokhtari (UIC, 2006)