Revisiting the Firewall Abolition Act. - Philip Robinson; Jochen Haller (HICSS, 2003)

Framework and Architecture for Secure Mobile Business Applications. - Jochen Haller; Philip Robinson; Thomas Walter 001; Roger Kilian-Kehr (SEC, 2003)

Proximity as a Security Property in a Mobile Enterprise Application Context. - Christian Decker 001; Serge Nguissi; Jochen Haller; Roger Kilian-Kehr (HICSS, 2004)

Towards Trust Relationship Planning for Virtual Organizations. - Philip Robinson; Jochen Haller; Roger Kilian-Kehr (iTrust, 2004)

Towards Cross-Domain Security Properties Supported by Ontologies. - York Sure; Jochen Haller (WISE Workshops, 2004)

Secure mobile business applications - framework, architecture and implementation. - Thomas Walter 001; Laurent Bussard; Yves Roudier; Jochen Haller; Roger Kilian-Kehr; Joachim Posegga; Philip Robinson (Inf. Secur. Tech. Rep., 2004)

Dynamic virtual organization management for service oriented enterprise applications. - Philip Robinson; Yücel Karabulut; Jochen Haller (CollaborateCom, 2005)

Security Controls in Collaborative Business Processes. - Jochen Haller; Yücel Karabulut; Philip Robinson (PRO-VE, 2005)

A Bayesian Reputation System for Virtual Organizations. - Jochen Haller (Negotiation and Market Engineering, 2006)

A Stochastic Approach for Trust Management. - Jochen Haller (ICDE Workshops, 2006)

The TrustCoM Approach to Enforcing Agreements between Interoperating Enterprises. - Michael D. Wilson; Alvaro Arenas; David W. Chadwick; Theo Dimitrakos; Jürgen Doser; Pablo Giambiagi; David Golby; Christian Geuer-Pollmann; Jochen Haller; Ketil Stølen; Tobias Mahler; Lorenzo Martino; et al. (I-ESA, 2006)

PathTrust: A Trust-Based Reputation Service for Virtual Organization Formation. - Florian Kerschbaum; Jochen Haller; Yücel Karabulut; Philip Robinson (iTrust, 2006)

Dirichlet Reputation Systems. - Audun Jøsang; Jochen Haller (ARES, 2007)

Trust Indicator Modeling for a Reputation Service in Virtual Organizations. - Till J. Winkler; Jochen Haller; Henner Gimpel; Christof Weinhardt (ECIS, 2007)

STORE Stochastic Reputation Service for Virtual Organisations. - Jochen Haller (IFIPTM, 2008)

Automated derivation of executable business processes from choreographies in virtual organisations. - Ingo Weber; Jochen Haller; Jutta A. Mülle (Int. J. Bus. Process. Integr. Manag., 2008)

Evaluating the STORE Reputation System in Multi-Agent Simulations. - Jonas Andrulis; Jochen Haller; Christof Weinhardt; Yücel Karabulut (IFIPTM, 2009)