Gaoqi He Zhigeng Pan Christophe Quarre Mingmin Zhang Huijun Xu Multi-stroke Freehand Text Entry Method Using OpenVG and Its Application on Mobile Devices. 791-796 2006 conf/edutainment/2006 Edutainment http://dx.doi.org/10.1007/11736639_97 db/conf/edutainment/edutainment2006.html#HePQZX06