Many community portals allow users to search for events, such as concerts, festivals or other things of interest and to rate them. Especially in the culture domain the users’ impressions of events is based on many factors, such as quality, personal interests, etc. Such factors can be...

Europe's failure to specialise in new ICT sectors and firms is likely to hold back Europe's post-crisis recovery. Europe lacks in particular leading platform providers, who are capturing most of the value in the new ICT ecosystem. In-depth analysis of some specific new emerging ICT sectors shows...

In a cluster market, many related and unrelated products or services are sold. Examples of cluster markets are Tesco, Sears, Carrefour, Walmart, JCPenny, and Meijer. Because of certain unique characteristics of cluster markets, studies of cluster market definition have been very scant. This...