This paper applies the theory of social networks to P2P systems, creating a social-network-based P2P network topology formation algorithm for file sharing. The algorithm extends the Gnutella P2P file sharing technology, which uses super nodes for searching and for relaying shared files between...

One of the most important properties of self-organized networks is their scale-free property. Prior research proved empirically and theoretically that scale-free networks emerge under the preferential attachment rule. However, a few empirical studies also show that empirical networks diverge...

Web2.0 users can create new services by combining existing Web2.0 services that offer open programming interfaces. This system of service composition forms a network, which we call the Web2.0 service network. A node of the Web2.0 service network represents a service. A link between two nodes...

Der vorliegende Beitrag analysiert kurz die Struktur deutscher Genossenschaften aus dem Blickwinkel der Property-Rights-Theorie (vgl. Kramer 2002). Dabei zeigt sich, dass dieser im Bereich der Genossenschaftsforschung bis dato eher vernachlässigte Theorieansatz durchaus zur Verfolgung von...