New Horizons in Web Based Learning -- ICWL 2010 Workshops : ICWL 2010 Workshops: STEG, CICW, WGLBWS and IWKDEWL, Shanghai, China, December 7-11, 2010, Revised Selected Papers - Xiangfeng Luo, Yiwei Cao, Bo Yang, Jianxun Liu, Feiyue Ye ((Lecture Notes in Computer Science))