TY - JOUR T1 - Unification of problem solving environment implementation layers with XML-based specifications JF - Adv. Eng. Softw. Y1 - 2008 A1 - Shu, Jiang A1 - Watson, Layne T. A1 - Ramakrishnan, Naren A1 - Kamke, Frederick A. A1 - North, Chris KW - databases KW - problem solving KW - XML PB - Elsevier Science Ltd. CY - Oxford, UK, UK VL - 39 ER -