1. Tongji University,Dept. of Comput. Sci. & Techn.,Shanghai,China
2. Smart Connection Techn. Ltd. China Unicom,Beijing,China
3. Elec. Eqpt. Mfg. Co., Ltd.,PATEO,Shanghai,China
4. Anhui University,Sch. of Comput. Sci. & Techn.,Anhui,China
5. South China Normal University,Sch. of Comput. Sci.,Guangzhou,China