Online social networks evolved into a global mainstream medium that generates an increasingsocial and economic impact. However, many online social networks face the question how toleverage on their fast growing popularity to achieve sustainable revenues. In that context,particularly more...

Social networks are currently gaining increasing impact especially in the light of theongoing growth of web-based services like facebook.com. A central challenge for the socialnetwork analysis is the identification of key persons within a social network. In this context,the article aims at...

Customer relationships represent a firm’s most valuable assets.Within value-basedmanagement it is therefore crucial that customer relationships should be treated as assetsor investments that need to be actively managed to maximize corporate value. However,(mono-)disciplinary approaches often...