... engineering andinformatics at DIBE, University of Genoa,Italy. In 2000, he joined the Advance Inter-active Systems Laboratory at VTT Electron-ics in Oulu, Finland, as an ERCIM Visit-ing ... interests are in technologies for ambient intelligence and human-computer interaction.Ying Wu received the B.S. degree fromHuazhong University of Science and Tech-nology, Wuhan, China, in 1994, ... M.S.degree from Tsinghua University, Beijing,China, in 1997, and the Ph.D. in elec-trical and computer engineering from theUniversity of Illinois at Urbana-Champaign(UIUC), Urbana, Ill, in 2001. From...