Improving efficiency in XML interoperability

"The problem of interoperability among XML data sources is one studied by Laks V. S. Lakshmanan and Fereidoon Sadri, and expression their research findings and ideas appear in the paper [7]. Their research presents a lightweight framework that enriches local sources with semantic declarations to enable interoperability. In their framework, there are issues which reduce the scalability of the architecture, and this thesis identifies those issues and present techniques to overcome boundaries currently placed on their work. The research included in this thesis focuses, first on a methods of obtaining optimal data transmission schemes. Those efforts are followed by developing a new technique to eliminate the costly approach involving inter-source subqueries in [7]."--Abstract from author supplied metadata