We show our approach for the definition of Domain Specific Languages integrating both graphical and textual views. The approach is based on the meta-modelling concepts provided by ...
Graphical Direct Manipulation (GrDM) query languagesare characterized and positioned with respect to traditional textual query languages. After a brief survey of the current state...
The notion of partial and evolutionary specification has gained attention both in research and industry in the last years. While many people regard this just as a process issue, w...
This article deals with multidimensional analyses. Analyzed data are designed according to a conceptual model as a constellation of facts and dimensions, which are composed of mul...
The database usability experience has shown that visual query languages tend to be superior to textual languages in many aspects. By applying this principle in the context of ontol...