Data is becoming more and more of a commodity, so that it is not surprising that data has reached the status of tradable goods. An increasing number of data providers is recognizing this and is consequently setting up platforms that deserve the term 'marketplace' for data. We identify several...

Inhalt: I User-Generated Content 1 Tagging vs. Ontologies 3 David Stadler; Semantic Web vs. Web 2.0 13 Armin Stein; User-Generated Advertising 23 Burkhard Weiß; Qualitätsaspekte im User-Generated Content 39 Jens Feldkamp; Data Mining im User-Generated Content 51 Nico Albrecht; II...

Web-oriented Architectures (WOAs) provide a way of designing an IT system by using a variety of Web Procedures, i.e., procedures (or services) called over the Web. The idea of (typically atomic) components that are black boxes, have interfaces, and can be assembled into a larger process is...