Jochen Haller and Yuecel Karabulut and Philip Robinson.Integrating the Hybrid PKI Model into Trust Relationship Lifecycle for Dynamic Virtual Organizations.2004.in eChallenges, pages 355-361.

York Sure and Jochen Haller.Towards Cross-domain Security Properties supported by Ontologies.2004.in Ontologies for Networked Systems workshop at WISE.

Jochen Haller and Philip Robinson and Yuecel Karabulut.Security Controls in Collaborative Business Processes.2005.in 6th IFIP Working Conference on VIRTUAL ENTERPRISES (PRO-VE'05).

Philip Robinson and Y"ucel Karabulut and Jochen Haller.Dynamic virtual organization management for service oriented enterprise applications.2005.in CollaborateCom, pages 6-21.

Proceedings of the 1st International Conference on Collaborative Computing: Networking, Applications and Worksharing, San Jose, CA, USA, December 19-21, 2005.2005.

Michael Wilson and Alvaro Arenas and David Chadwick and Theo Dimitrakos and J"urgen Doser and Pablo Giambiagi and David Golby and Christian Geuer-Pollman and Jochen Haller and Stlen Ketil and Tobias Mahler and Lorenzo Martino and Xavier Parent and Santi Ristol and J Sairamesh and Lutz Schubert and Nilufer Tuptuk.The Trustcom Framework V0.5.2005.in TrustCoM workshop at the 6th IFIP Working Conference on VIRTUAL ENTERPRISES (PRO-VE'05).

Ingo Weber and Jochen Haller and Jutta A. M"ulle.Automated Derivation of Executable Business Processes from Choreographies in Virtual Organizations.2006.in Third GI-Workshop XML4BPM XML Integration and Transformation for Business Process Management.

Ingo Weber and Jochen Haller and Jutta A. M"ulle.Automated Derivation of Executable Business Processes from Choreographies in Virtual Organizations.2008.Int. Journal of Business Process Integration and Management, 3(2): 85 - 95.

F. Kerschbaum and Y. Karabulut and J. Haller and P. Robinson.A Trust Based Reputation System for Virtual Organization Formation.2006.in The 4th International Conference on Trust Management (iTrust).

Jochen Haller.A Stochastic Approach for Trust Management.2006.in International Workshop on Security and Trust in Decentralized/Distributed Data Structures (STD3S).

Jochen Haller and Lutz Schubert and Stefan Wesner.Private Business Infrastructures in a VO Environment.2006.in Workshop on Businesses Models - Based on Innovative Collaboration Infrastructures at eChallenges.IOS Press, 2006 Amsterdam.

R. Deitos and J. Haller and F. Kerschbaum and P. Robinson.A Comprehensive Security Architecture for Dynamic, Web Service Based Virtual Organizations for Businesses.2006.in Secure Web Services (SWS) Workshop At The 13th ACM Conference on Computer and Communications Security (CCS).

Jochen Haller.Making m-Business Applications work: Security and Implementation Challenges.2006.in Digital way of life: Security solutions for m-business and m-government Workshop At The 15th IST Mobile Summit.

Jochen Haller.A Bayesian Reputation System for Virtual Organizations.2007.in Negotiation and Market Engineering.Internationales Begegnungs- und Forschungszentrum fuer Informatik (IBFI), Schloss Dagstuhl, Germany.($<$http://drops.dagstuhl.de/opus/volltexte/2007/999$>$ [date of citation: 2007-01-01])

Audun Jsang and Jochen Haller.Dirichlet Reputation Systems..2007.in ARES, pages 112-119.IEEE Computer Society.

Till J. Winkler and Jochen Haller and Henner Gimpel and Christof Weinhardt.Trust Indicator modeling for a Reputation Service in Virtual Organisations.2007.in `The 15th European Conference on Information Systems (ECIS).

Jochen Haller and Christian Wolter.Trust Indicator Integration into SLAs for Virtual Organisations.2007.in Proceedings of eChallenges 2007 Conference.

Till J. Winkler and Jochen Haller and Henner Gimpel and Christof Weinhardt.Trust Indicator modeling for a Reputation Service in Virtual Organisations.2007.in to appear: Journal of IS Security (JISSec).

Jochen Haller.STORE Stochastic Reputation Service for Virtual Organizations.2008.in Joint iTrust and PST Conferences on Privacy, Trust Management and Security.

Jonas Andrulis and Jochen Haller and Christof Weinhardt and Yuecel Karabulut.Evaluating the STORE Reputation System in Multi-Agent Simulations.2009.in Third IFIP WG 11.11 International Conference on Trust Management (IFIPTM).

Jochen Haller.A stochastic Reputation System Architecture to support the Partner Selection in Virtual Organisations.2009 in Fakultät für Wirtschaftswissenschaften (Fak. f. Wirtschaftswiss.) Institut für Informationswirtschaft und -management (IISM). Dissertation http://digbib.ubka.uni-karlsruhe.de/volltexte/1000011658.