Towards scalability in tuple spaces. - Philipp Obreiter; Guntram Gräf (SAC, 2002)

A Taxonomy of Incentive Patterns - The Design Space of Incentives for Cooperation. - Philipp Obreiter; Jens Nimis (AP2PC, 2003)

Service Rings - A Semantic Overlay for Service Discovery in Ad hoc Networks. - Michael Klein; Birgitta König-Ries; Philipp Obreiter (DEXA Workshops, 2003)

Stepwise Refinable Service Descriptions: Adapting DAML-S to Staged Service Trading. - Michael Klein; Birgitta König-Ries; Philipp Obreiter (ICSOC, 2003)

Stimulating Cooperative Behavior of Autonomous Devices: An Analysis of Requirements and Existing Approaches. - Philipp Obreiter; Birgitta König-Ries; Michael Klein (Wireless Information Systems, 2003)

How Social Structure Improves Distributed Reputation Systems - Three Hypotheses. - Philipp Obreiter; Stefan Fähnrich; Jens Nimis (AP2PC, 2004)

04441 Working Group - Some Open Aspects of Mobile Ad-hoc NETwork, Peer-to-Peer, and Self-organizing Systems. - Joos-Hendrik Böse; Stefan Böttcher; Le Gruenwald; Pedro José Marrón; Philipp Obreiter; Evaggelia Pitoura; Peter L. Reiher; Kai-Uwe Sattler; Frank Seliger (Mobile Information Management, 2004)

04441 Working Group - Business Models. - Birgitta König-Ries; Franz Lehner 001; Rainer Malaka; Florian Matthes; Philipp Obreiter; Key Pousttchi; Frank Seliger; Klaus Turowski; Jari Veijalainen (Mobile Information Management, 2004)

Engineering Incentive Schemes for Ad Hoc Networks. - Philipp Obreiter; Birgitta König-Ries; Georgios Papadopoulos 002 (EDBT Workshops, 2004)

The Buddy System: A Distributed Reputation System Based on Social Structure. - Stefan Fähnrich; Philipp Obreiter; Birgitta König-Ries (GI Jahrestagung (1), 2004)

Activity-Based User Modeling in Service-Oriented Ad-Hoc-Networks. - Tobias Breyer; Michael Klein; Philipp Obreiter; Birgitta König-Ries (WONS, 2004)

A Case for Evidence-Aware Distributed Reputation Systems: Overcoming the Limitations of Plausibility Considerations. - Philipp Obreiter (iTrust, 2004)

A New View on Normativeness in Distributed Reputation Systems. - Philipp Obreiter; Birgitta König-Ries (AP2PC, 2005)

The Interactive Cooperation Tournament. - Philipp Obreiter; Birgitta König-Ries (iTrust, 2006)

Kooperationsanreize in selbstorganisierenden Informationssystemen: soziale Kontrolle zwischen autonomen Computereinheiten. - Philipp Obreiter (2006)

Robust and fair trading in volatile environments: overcoming technical problems and uncooperativeness. - Katharina Hahn; Joos-Hendrik Böse; Birgitta König-Ries; Philipp Obreiter (MobiDE, 2007)