Hoffmann, H. and Leimeister, J. M. and Krcmar, H.. Anforderungen an Werkzeuge zum Prototyping von Automotive Services. Multikonferenz Wirtschaftsinformatik (MKWI) 2008. editor(s) Bichler, M. and Hess, T. and Krcmar, H. and Lechner, U. and Matthes, F. and Picot, A. and Speitkamp, B. and Wolf, P.. Gito, Year 2008.

Hoffmann, H. and Leimeister, J. M. and Krcmar, H.. A framework for developing personalizable mobile services in automobiles. 15. European Conference on Information Systems (ECIS) 2007. editor(s) Österle, H. and Schelp, J. and Winter, R.. 938-949, University of St. Gallen, Year 2007.

Hoffmann, H. and Leimeister, J. M. and Krcmar, H.. Prototyping komplexer Geschäftsanwendungen im Automobil. Multikonferenz Wirtschaftsinformatik (MKWI) 2010. editor(s) Schumann, M. and Kolbe, L. M. and Breitner, M. H.. Göttingen, Germany, Year 2010.

Hoffmann, A. and Söllner, M. and Fehr, A. and Hoffmann, H. and Leimeister, J. M.. Towards an Approach for Developing socio-technical Ubiquitous Computing Applications. Informatik 2011 - Informatik schafft Communities. Beiträge der 41. Jahrestagung der Gesellschaft für Informatik e.V. (GI). editor(s) Heiß, H. and Pepper, P. and Schlingloff, H. and Schneider, J.. (P-192) 41: 1-15, LNI, Berlin, Germany, Year 2011.

Söllner, M. and Hoffmann, A. and Altmann, M. and Hoffmann, H. and Leimeister, J. M.. Vertrauen als Designaspekt – Systematische Ableitung vertrauensunterstützender Komponenten am Beispiel einer mobilen Anwendung. VHB Jahrestagung 2011. 73: Kaiserslautern, Germany, Year 2011.

Hoffmann, H. and Leimeister, J. M.. Evaluating Application Prototypes in the Automobile. In IEEE Pervasive Computing, (10) 3: 43-51, Year 2011.

Hoffmann, A. and Jandt, S. and Hoffmann, H. and Leimeister, J. M.. Integration rechtlicher Anforderungen an soziotechnische Systeme in frühe Phasen der Systementwicklung. 6. Konferenz Mobile und ubiquitäre Informationssysteme (MMS) 2011. editor(s) Höpfner, H. and Specht, G. and Ritz, T. and Bunse, C.. 6: Kaiserslautern, Germany, Year 2011.

Zauner, A. and Hoffmann, H. and Leimeister, J. M. and Krcmar, H.. Automotive Software und Service Engineering (ASSE) - Eine Exploration von Herausforderungen und Trends aus Sicht von Branchenexperten. Mobilität und mobile Informationssysteme (MMS) 2009. Münster, Germany, Year 2009.

Söllner, M. and Hoffmann, A. and Hoffmann, H. and Leimeister, J. M.. Towards a Theory of Explanation and Prediction for the Formation of Trust in IT Artifacts. 10. Annual Workshop on HCI Research in MIS. 10: 1-6, Shanghai, China, Year 2011.

Hoffmann, A. and Hoffmann, H. and Leimeister, J. M.. Nutzerintegration in die Anforderungserhebung für Ubiquitous Computing Systeme. Workshop über Selbstorganisierende, adaptive, kontextsensitive verteilte Systeme (SAKS 2010). Electronic Communications of the EASST. 27: 9, European Association of Software Science and Technology (EASST), Berlin, Germany, Year 2010.

Hoffmann, H. and Leimeister, J. M. and Krcmar, H.. Automotive Service Engineering - Systematische Entwicklung personalisierbarer und interaktiver mobiler Dienste für den Automobilsektor. Wirtschaftsinformatik Konferenz (WI) 2007. (1) 327-344, Universitätsverlag Karlsruhe, Karlsruhe, Year 2007.

Söllner, M. and Hoffmann, A. and Hoffmann, H. and Leimeister, J. M.. Vertrauensunterstützung für sozio-technische ubiquitäre Systeme. In Zeitschrift für Betriebswirtschaft, (2012) 4: 109-140, Year 2012.

Hoffmann, A. and Schulz, T. and Hoffmann, H. and Jandt, S. and Roßnagel, A. and Leimeister, J.M.. Towards the Use of Software Requirement Patterns for Legal Requirements. 2nd International Requirements Engineering Efficiency Workshop (REEW) 2012 at REFSQ 2012. editor(s) Seyff, N. and Madhavji, N.H.. Essen, Germany, Year 2012.

Hoffmann, A. and Söllner, M. and Hoffmann, H.. Twenty software requirement patterns to specify recommender systems that users will trust. 20th European Conference on Information Systems (ECIS). Barcelona, Spanien, Year 2012.

Söllner, M. and Hoffmann, A. and Hoffmann, H. and Leimeister, J. M.. How to Use Behavioral Research Insights on Trust for HCI System Design. ACM SIGCHI Conference on Human Factors in Computing Systems (CHI). Austin, Texas, USA, Year 2012.

Hoffmann, A. and Hoffmann, H. and Leimeister, J. M.. Anforderungen an Software Requirement Pattern in der Entwicklung sozio-technischer Systeme. 42. Jahrestagung der Gesellschaft für Informatik e.V. (GI). Braunschweig, Germany, Year 2012.

Hoffmann, A. and Söllner, M. and Hoffmann, H. and Leimeister, J. M.. Towards Trust-Based Software Requirement Patterns. Second International Workshop on Requirements Patterns (RePa' 12). Chicago, Illinois, USA, Year 2012.

Hoffmann, H. and Söllner, M.. Incorporating Behavioral Trust Theory Into System Development for Ubiquitous Applications. In Personal and Ubiquitous Computing (to be published), Year 2012.

Hoffmann, H. and Bullinger, A.C. and Fellbaum, C.. Towards the automated evaluation of crowd work: Machine-learning based classification of complex texts simplified by laymen. 46th Hawaii International Conference on System Sciences (HICSS 2013). Grand Wailea, Year 2013.

Janzen, A. and Hoffmann, A. and Hoffmann, H.. Anforderungsmuster im Requirements Engineering. Working Paper Series, Nr. 2. Kassel, Germany, Year 2013.