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Editorial

Research Papers

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Reference Data Models for the Strategic Controlling ofWasteManagement Firms
Harald Dyckhoff, Rainer Souren, and Abdulla Elyas

State of the Art

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Internet Social Networking
Daniel Richter, Kai Riemer, and Jan vom Brocke

Catchword

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Innovation Contests
Joerg Haller, Angelika Bullinger, and Moeslein Kathrin

Discussion

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What in Fact Is the Role of Stylized Facts in Fundamental Research of Business and Information Systems Engineering?
Peter Loos, Peter Fettke, Barbara E. Weißenberger, Stephan Zelewski, Armin Heinzl, Ulrich Frank, and Juhani Iivari