Proceedings First International Workshop on Database Technology and Applications ; DBTA 2009 ; 25-26 April 2009, Wuhan, Hubei, China / editors, Jianxun Chen, Zhengbing Hu ; sponsored by Wuhan University of Science and Technology, China, Huazhong University of Science and Technology, China. - Chen, Jianxun, 1957-; Hu, Zhengbing (IEEE Computer Society, 2009)