As the eXtensible Markup Language (XML) is about to emerge as a new standard for databases, the problem of providing solid logical grounds for XML query languages arises. For the ...
Spatial information requires models which allow us to answer ‘maybe’ to questions asking whether a location lies within a region. At the same time, models must account for data...
Abstract. We developed the Nested Relational Sequence Database System (NRSD System), which is built upon the Nested Relational Sequence Model (NRSM). The NRSM eliminates a substant...
Many existing software applications involve complex application layer implemented in OO programming languages and at the same time use relational database systems as back-end data...
Data modeling is an essential part of the software development process, and together with application modeling forms the core of the model-driven approach to software engineering....