Today, information integration has assumed a completely different, complex connotation than what it used to be. The advent of the Internet, the proliferation of information source...
This articles submits the thesis that visual data modeling and programming languages are conveniently conceived as rendering, or ‘styling’, of conventional, textual languages....
User interaction is mostly based on forms. However, forms are restricted to alphanumerical data – the editing of geospatial data is not supported. This statement does not only ho...
XQuery is a powerful functional language to query XML data. This paper presents a bidirectional interpretation of XQuery to address the problem of updating XML data through materi...
XML specifications often consist of a type definition (typically, a DTD) and a set of integrity constraints. It has been shown previously that such specifications can be inconsiste...