We grouped the following topics under the term “data”:

Needless to say, usually the three areas above go hand in hand, i.e., they are often performed together: data is extracted from various sources, integrated, its quality evaluated, it is sometimes refined to knowledge and finally used in information systems. Here — with the goal of presenting the various research topics in a clear way — we want to focus either more on the integration or quality aspects of data, knowledge management, and its use in information systems.