Peer-to-peer systems are highly distributed and self-organizing communication networks.They get on without a central server as much as possible. This paper proposesto organize the trading of securities - like it is being done up until now at the stock exchange- on a peer-to-peer basis. In this...

Due to the widespread appearance of filesharing systemslike Napster, the peer-to-peer concept has recentlybecome well known. So far, these file-sharing systemshave been used for the exchange of digital goods. Werecommend a concept, based on that of the file-sharingsystem, for a decentralized...

Renewable raw materials are becoming increasingly important as an alternative resource base in industrial networks. Consequently, research for methods improving the efficient use of renewable resources in production processes with by-products is crucial. The aim is cascade utilization, thus the...