[Jiang, Shouyong; Zhong, Mingjun] Univ Lincoln, Sch Comp Sci, Lincoln LN6 7TS, England.
[Li, Hongru] Northeastern Univ, Coll Informat Sci & Engn, Shenyang 110819, Peoples R China.
[Guo, Jinglei] Cent China Normal Univ, Dept Comp Sci, Wuhan, Peoples R China.
[Yang, Shengxiang] De Montfort Univ, Sch Comp Sci & Informat, Leicester LE1 9BH, Leics, England.
[Kaiser, Marcus; Krasnogor, Natalio] Newcastle Univ, Sch Comp, Newcastle Upon Tyne NE4 5TG, Tyne & Wear, England.