Grid Business Modeling -- Business Value Chains in Real-Time On-Line Interactive Applications -- Cost Analysis of Current Grids and Its Implications for Future Grid Markets -- Business Relationships in Grid Workflows -- Market Mechanisms for the Grid -- The Power of Preemption in Economic Online Markets -- Market Mechanisms for Trading Grid Resources -- Rational Bidding Using Reinforcement Learning -- Grid Markets -- Grid and Taxation: The Server as Permanent Establishment in International Grids -- The Pricing Strategy Analysis for the “Software-as-a-Service” Business Model -- Grid Architectures -- On the Assessment of the S-Sicilia Infrastructure: A Grid-Based Business System -- Monitoring and Reputation Mechanisms for Service Level Agreements -- Research Projects on Business Modeling -- BEinGRID: Development of Business Models for the Grid Industry -- Edutain@Grid: A Business Grid Infrastructure for Real-Time On-Line Interactive Applications -- BREIN, Towards an Intelligent Grid for Business -- Research Projects on Market Mechanisms -- SORMA – Business Cases for an Open Grid Market: Concept and Implementation -- GridEcon: A Market Place for Computing Resources -- Grid4All: Open Market Places for Democratic Grids -- Research Projects on Grid Architecture -- The German Grid Initiative: A Uniform Accounting Service in Multiple Middleware Environments -- The ArguGRID Platform: An Overview -- AssessGrid Strategies for Provider Ranking Mechanisms in Risk–Aware Grid Systems.