%0 Journal Article %J Adv. Eng. Softw. %D 2008 %T Unification of problem solving environment implementation layers with XML-based specifications %A Shu, Jiang %A Watson, Layne T. %A Ramakrishnan, Naren %A Kamke, Frederick A. %A North, Chris %K databases %K problem solving %K XML %B Adv. Eng. Softw. %I Elsevier Science Ltd. %C Oxford, UK, UK %V 39 %P 189–201 %G eng %R http://dx.doi.org/10.1016/j.advengsoft.2007.02.005