Recent years have witnessed an increasing trend of enterprises outsource their IT services to third parties. A major concern in database outsourcing paradigm is integrity verificat...
Typechecking consists of statically verifying whether the output of an XML transformation always conforms to an output type for documents satisfying a given input type. In this ge...
We describe Junglee’s Virtual Database (VDB) technology, which makes the World Wide Web and other external data sources behave as an extension of an enterprise’s relational da...
We have in a previous paper introduced the new query operators that are needed in order to support an XML query language that supports temporal operations. The query operators mak...
For many businesses and organizations, the achievement of interoperability has proven to be a highly desirable goal. However, without efficient schema mapping mechanisms or models ...