Sleziona, Philipp and Widjaja, Thomas, "Transparency in the Privacy Context: A Structured Literature Review" (2022). ECIS 2022 Research Papers. 124. 

Overhage, Sebastian and Widjaja, Thomas, "A TAXONOMY OF FORKS IN THE CONTEXT OF DECENTRALIZED AUTONOMOUS ORGANIZATIONS" (2022). ECIS 2022 Research Papers. 77. 

Mini, T., Ellinger, E. W., Gregory, R. W., and Widjaja, T. 2021. “An Exploration of Governing via IT in Decentralized Autonomous Organizations,” in Proceedings of the 42nd International Conference on Information Systems, Austin, TX, USA, December 12-15.

Mini, T., Widjaja, T., and Gregory, R. 2020. “Autonomy and Alignment in Platform-Based Meta-Organizations: A Qualitative Meta-Analysis,” in 1st AIS SIG DITE Paper Development Workshop. (Working Paper)

Bidler, M., Zimmermann, J., Schumann, J. H., & Widjaja, T.: Increasing Consumers’ Willingness to Engage in Data Disclosure Processes through Relevance-illustrating Game Elements. Journal of Retailing, 96(4), 507-523, 2020.

Widjaja, Thomas; Gregory, Robert Wayne: Monitoring the Complexity of IT Architectures: Design Principles and an IT Artifact. Journal of the Association for Information Systems, Vol. 21: ISS. 3, Article 4, 2020.

Mini, Tobias; Widjaja, Thomas: “Tensions in Digital Platform Business Models: A Literature Review". In: Proceedings of the 40th International Conference on Information Systems, Munich, Germany, December 15-18, 2019

Mini, Tobias; Widjaja, Thomas: “Platform Ecosystem Scaling: Mechanisms Addressing the Tension between Autonomy and Alignment". In: PDW at the 40th International Conference on Information Systems  Munich, Germany, December 15-18, 2019. (Working Paper)

Bidler, Margarita, Steudner, Tobias, Schumann, Jan H., Widjaja, Thomas : Kundenwahrnehmungen und Kundenverhalten beim Bezahlen von digitalen Dienstleistungen mit persönlichen Daten. In: Specht, L., Werry, S., Chance, C., Werry, N. (ed.): Handbuch Datenrecht und Digitalisierung. Berlin: Erich Schmidt Verlag, (in press) (2019).

Steudner, Tobias, Widjaja, Thomas, Schumann, Jan H. : An Exploratory Study of Risk Perception for Data Disclosure to a Network of Firms. In: Ludwig, T., Pipek, V. (ed.): Human Practice. Digital Ecologies. Our Future (pp. 1352-1357). 14th International Conference on Wirtschaftsinformatik Proceedings, Siegen:Academic Press, (2019).

Stoffer Torben; Widjaja Thomas; Zacharias Nicolas: The Diverging Effect of Digitalization on Perceived Relational Conflict during Service Provisions – An Empirical Comparison of Suppliers and Customers in the B2B Context. Research in Progress. In: Proceedings of International Conference on Information Systems (ICIS 2018), San Francisco, USA, 2018.

Stoffer Torben; Widjaja Thomas; Zacharias Nicolas: The Effect of Service Modularity on Flexibility in the Digital Age – An Investigation in the B2B Context. In: Satzger G., Patrício L., Zaki M., Kühl N., Hottum P. (eds.) Exploring Service Science. IESS 2018. Lecture Notes in Business Information Processing, vol 331. Springer, Cham, 2018. (Best Paper Award)

Bidler, Margarita; Schumann, Jan H.; Widjaja, Thomas: Challenging the Cognitive Privacy Calculus: Affective Reactions in Consumers' Privacy-Related Decision Making. EMAC Conference, Glasgow, United Kingdom, 2018.

Engelbrecht, Adrian; Gerlach, Jin; Widjaja, Thomas; Buxmann, Peter: The Nature of Enterprise-Service-Fit in the Context of Digital Services. Proceedings of International Conference on Information Systems (ICIS 2017), Seoul, South Korea, 2017. (Nominated for the Best Theory Development Award)

Becker, Moritz; Matt, Christian; Widjaja, Thomas; Hess, Thomas: Understanding Privacy Risk Perceptions of Consumer Health Wearables – An Empirical Taxonomy. Proceedings of International Conference on Information Systems (ICIS 2017), Seoul, South Korea, 2017.  

Strahringer, Susanne; Widjaja, Thomas (Guest Editor): HMD Praxis der Wirtschaftsinformatik: IT-Management und IT-Strategie (Vol. 54). Wiesbaden: Springer, 2017.

Brakemeier, Hendrik; Widjaja, Thomas; Buxmann, Peter: Distinguishing Usage and Disclosure Intentions in Privacy Research: How our Two Selves Bring About Differences in the Effects of Benefits and Risks. Proceedings of European Conference on Information Systems (ECIS 2016), Istanbul, Turkey, 2016.

Engelbrecht, Adrian; Gerlach, Jin; Widjaja, Thomas: Understanding the Anatomy of Data-Driven Business Models - Towards an Empirical Taxonomy. Proceedings of European Conference on Information Systems (ECIS 2016), Istanbul, Turkey, 2016.

Brakemeier, Hendrik; Widjaja, Thomas; Buxmann, Peter: Calculating with Different Goals in Mind - The Moderating Role of the Regulatory Focus in the Privacy Calculus. Proceedings of European Conference on Information Systems (ECIS), Istanbul, Turkey, 2016.

Krasnova, Hanna; Widjaja, Thomas; Buxmann, Peter; Benbasat, Izak; Wenninger, Helena: Why Following Friends Can Hurt You: An Exploratory Investigation of the Effects of Envy on Social Networking Sites among College-Age Users. Information Systems Research, 26 (3), 585-605, 2015.

Engelbrecht, Adrian; Gerlach, Jin; Widjaja, Thomas, Buxmann, Peter: The Nature of Enterprise-Service-Fit in the Context of Digital Services. Proceedings of International Conference on Information Systems (ICIS), Seoul, South Korea, 2017.

Becker, Moritz; Matt, Christian; Widjaja, Thomas; Hess, Thomas: Understanding Privacy Risk Perceptions of Consumer Health Wearables – An Empirical Taxonomy. Proceedings of International Conference on Information Systems (ICIS), Seoul, South Korea, 2017.   

Gerlach, Jin; Widjaja, Thomas; Buxmann, Peter: Handle with Care: How Online Social Network Providers’ Privacy Policies Impact Users’ Information Sharing Behavior. Journal of Strategic Information Systems, 24 (1), 33-43, 2015.

Widjaja, Thomas: Der kostenoptimale Grad funktionaler Redundanz in IT-Anwendungslandschaften. Lecture Notes in Informatics (LNI) – Tagungsband Informatik 2014, Stuttgart, 2014.

Loske, André; Widjaja, Thomas; Benlian, Alexander; Buxmann, Peter: Perceived IT Security Risk in Cloud Adoption: The Role of Perceptual Incongruence Between Users and Providers. Proceedings of the 22th European Conference on Information Systems (ECIS 2014), Tel Aviv, Israel, 2014. (Nominated for the Best-Paper-Award)

Schütz, Alexander; Widjaja, Thomas; Gregory, Robert Wayne:
Escape From Winchester Mansion – Toward a Set of Design Principles to Master Complexity in IT Architectures. Proceedings of International Conference on Information Systems (ICIS 2013), Milan, Italy, 2013.

Kaiser, Jasmin; Widjaja, Thomas; Buxmann, Peter:
Unfolding Dyadic Dependencies in IS Outsourcing Relationships – Development of Two Multidimensional Constructs.
 Proceedings of International Conference on Information Systems (ICIS 2013), Milan, Italy, 2013. (Research in Progress)

Loske, André; Widjaja, Thomas; Buxmann, Peter:
Cloud Computing Providers’ Unrealistic Optimism regarding IT Security Risks: A Threat to Users?
 Proceedings of International Conference on Information Systems (ICIS 2013), Milan, Italy, 2013.

Eling, Nicole; Krasnova, Hanna; Widjaja, Thomas; Buxmann, Peter:
Will You Accept an App? Empirical Investigation of the Decisional Calculus Behind the Adoption of Applications on Facebook.
 Proceedings of International Conference on Information Systems (ICIS 2013), Milan, Italy, 2013.

Kaiser, Jasmin; Widjaja, Thomas; Buxmann, Peter:
Relative and Joint Dependence in IS Outsourcing Relationships – A Model of Effects on Relational Facets and Exchange Performance, in: Oshri, Ilan; Kotlarsky, Julia; Willcocks, Leslie (Hrsg.): Advances in Global Sourcing. Models, Governance, and Relationships. Lecture Notes in Business Information Processing, Springer Verlag, Berlin, 2012.

Schmidt, Christian; Widjaja, Thomas; Schütz, Alexander: Quantifizierung der Komplexität von IT-Landschaften: Ein systemtheoretischer Ansatz und dessen Anwendung im Rahmen der Architekturtransformation. Lecture Notes in Informatics (LNI) – Tagungsband Informatik 2013, Koblenz, 2013.

Schütz, Alexander; Widjaja, Thomas; Kaiser, Jasmin: Complexity in Enterprise Architectures - Conceptualization and Introduction of a Measure from a System Theoretic Perspective. Proceedings of the 21th European Conference on Information Systems (ECIS 2013), Utrecht, Holland, 2013.

Krasnova, Hanna; Eling, Nicole; Schneider, Oleg; Wenninger, Helena; Widjaja, Thomas; Buxmann, Peter: Does This App Ask for Too Much Data? The Role of Privacy Perceptions in User Behavior Towards Facebook Applications and Permission Dialogs. Proceedings of the 21th European Conference on Information Systems (ECIS 2013), Utrecht, Holland, 2013.

Loske, André; Widjaja, Thomas; Buxmann, Peter: Unrealistischer Optimismus der Cloud Computing Anbieter bezüglich IT Sicherheitsrisiken – Eine Bedrohung für die Nutzer? Tagungsband der 11. Internationalen Tagung Wirtschaftsinformatik 2013 (WI2013), Leipzig, Deutschland, 2013.

Krasnova, Hanna; Wenninger, Helena; Widjaja, Thomas; Buxmann, Peter: Envy on Facebook: A Hidden Threat to Users’ Life Satisfaction? Tagungsband der 11. Internationalen Tagung Wirtschaftsinformatik 2013 (WI2013), Leipzig, Deutschland, 2013. (Best-Paper-Award)

Schütz, Alexander; Widjaja, Thomas; Kaiser, Jasmin: Komplexität in Enterprise Architectures – Konzeptualisierung und Entwicklung einer Kennzahl aus systemtheoretischer Perspektive. Tagungsband der 11. Internationalen Tagung Wirtschaftsinformatik 2013 (WI2013), Leipzig, Deutschland, 2013.

Ackermann, Tobias; Widjaja, Thomas; Buxmann, Peter: Towards the Optimal Security Level: Quantification of Risks in Service-Based Information Systems. Proceedings of Hawaii International Conference on System Sciences (HICSS-46), Hawaii, USA, 2013.

Kaiser, Jasmin; Widjaja, Thomas; Buxmann, Peter: A Two-Sided Perspective on Supplier Dependence in IS Outsourcing Dyads. Proceedings of Hawaii International Conference on System Sciences (HICSS-46), Hawaii, USA, 2013.

Draisbach, Tobias; Widjaja, Thomas; Buxmann, Peter: Lock-ins in Network Effect Markets – Results of a Simulation Study. Proceedings of Hawaii International Conference on System Sciences (HICSS-46), Hawaii, USA, 2013.

Buxmann, Peter; Kaiser, Jasmin; Widjaja, Thomas: Die zehn Faktoren der Abhängigkeit des Kunden in IT-Outsourcing-Beziehungen, in: Canibol, Hans-Peter; Hossenfelder, Jörg; Lünendonk, Thomas (Hrsg.): Lünendonk Handbuch IT-Consulting 2013, Fakten & Köpfe Verlagsgesellschaft, Kelsterbach, 50-63, 2013.

Wenninger, Helena; Widjaja, Thomas; Buxmann, Peter; Gerlach, Jin: Der Preis des Kostenlosen. Wirtschaftsinformatik & Management, 12 (6), 12-19, 2012.

Widjaja, Thomas; Kaiser, Jasmin; Tepel, Dennis; Buxmann, Peter: Heterogeneity in IT Landscapes and Monopoly Power of Firms: A Model to Quantify Heterogeneity. Proceedings of International Conference on Information Systems (ICIS 2012), Orlando, USA, 2012. (Nominated for the Best-Paper-Award)

Widjaja, Thomas; Gregory, Robert: Design Principles for Heterogeneity Decisions in Enterprise Architecture Management. Proceedings of International Conference on Information Systems (ICIS 2012), Orlando, USA, 2012. (Research in Progress)

Kaiser, Jasmin; Widjaja, Thomas; Buxmann, Peter: Positioning Clients in Dyadic Dependence Structures of IS Outsourcing Relationships – Conceptualization and Empirical Findings. Proceedings of International Conference on Information Systems (ICIS 2012), Orlando, USA, 2012.

Ackermann, Tobias; Widjaja, Thomas; Benlian, Alexander; Buxmann, Peter: Perceived IT Security Risks of Cloud Computing: Conceptualization and Scale Development. Proceedings of International Conference on Information Systems (ICIS 2012), Orlando, USA, 2012.

Kaiser, Jasmin; Widjaja, Thomas; Buxmann, Peter: Analyzing Client Dependence in Dyadic IS Outsourcing Relationship, in: Kotlarsky, Julia; Oshri, Ilan; Willcocks, Leslie (Hrsg.):The Dynamics of Global Sourcing: Perspectives and Practices. Lecture Notes in Business Information Processing, Springer Verlag, Berlin, 2012.

Lang, Christian; Widjaja, Thomas: OREX-J – Towards a Universal Software Framework for the Experimental Analysis of Optimization Algorithms. OR Spectrum, 2012.

Widjaja, Thomas; Buxmann, Peter: Kompatibilität von Softwareplattformen. Journal of Business Economics (JBE), 2012.

Pussep, Anton; Schief, Markus; Widjaja, Thomas: The Software Value Chain: Methods for Construction and Their Application. European Conference on Information Systems (ECIS 2012), Barcelona, Spanien, 2012.

Widjaja, Thomas; Langenbach-Kuttert, Birgit; Buxmann, Peter: Strategisches Management heterogener IT-Landschaften. INFORM, 12 (2), 2012.

Draisbach, Tobias; Widjaja, Thomas; Buxmann, Peter: Lock-Ins auf Netzeffektmärkten – Ergebnisse einer Simulationsstudie. Tagungsband der Multikonferenz Wirtschaftsinformatik (MKWI 2012), Braunschweig, 2012.

Kaiser, Jasmin; Widjaja, Thomas; Buxmann, Peter: A Client Perspective on Dyadic Dependencies in IS Outsourcing Relationships. The Sixth Global Sourcing Workshop, Courchevel, Frankreich, 2012.

Burkard, Christoph; Widjaja, Thomas; Buxmann, Peter: Software Ecosystems. Business & Information Systems Engineering, 54 (1), 43-47, 2012.

Hilkert, Daniel; Burkard, Christoph; Widjaja, Thomas; Hess, Thomas; Buxmann, Peter: Plattformoffenheit – Implikationen für Anbieter von Mobile Business Apps, in: Verclas, Stephan; Linnhoff-Popien, Claudia (Hrsg.): Smart Mobile Apps, Springer, Berlin, 2011.

Becker, Alexander; Widjaja, Thomas; Buxmann, Peter: Nutzenpotenziale und Herausforderungen des Einsatzes von Serviceorientierten Architekturen: Ergebnisse einer empirischen Untersuchung aus Anwender- und Herstellersicht. Business & Information Systems Engineering, 53 (4), 187-199, 2011.

Burkard, Christoph; Draisbach, Tobias; Widjaja, Thomas; Buxmann, Peter: Software Ecosystems: Vendor-Sided Characteristics of Online Marketplaces. Lecture Notes in Informatics (LNI) – Tagungsband Informatik 2011, Berlin, 2011.

Widjaja, Thomas: Standardisierungsentscheidungen in mehrschichtigen Systemen – Untersuchung am Beispiel serviceorientierter Architekturen, Gabler, Wiesbaden, 2011.

Widjaja, Thomas; Buxmann, Peter: Compatibility of Software Platforms. in: Heinzl, Armin; Buxmann, Peter; Wendt, Oliver; Weitzel, Tim (Hrsg): Theory-Guided Modeling and Empiricism in Information Systems Research. Physica-Verlag, Heidelberg, 2011. (Based on Widjaja, Buxmann 2012)

Pussep, Anton; Schief, Markus; Widjaja, Thomas; Buxmann, Peter; Wolf, Christian Michael: The Software Value Chain as an Analytical Framework for the Software Industry and Its Exemplary Application for Vertical Integration Measurement. Proceedings of the American Conference on Information Systems (AMCIS 2011), Detroit, USA, 2011.

Widjaja, Thomas; Buxmann, Peter: Service-oriented Architectures: Modeling the Selection of Services and Platforms, in: Benlian, Alexander; Hess, Thomas; Buxmann, Peter (Hrsg): Software-as-a-Service (SaaS) – Anbieterstrategien, Kundenbedürfnisse und Wertschöpfungsstrukturen, Gabler-Verlag, Wiesbaden, 2010. (Based on Widjaja, Buxmann 2009)

Ackermann, Tobias; Widjaja, Thomas; Buxmann, Peter: Increasing the Diffusion of Communication Standards – A General Simulation Framework from the Vendor’s Perspective. Proceedings of the 6th International Conference on Standardization and Innovation in Information Technology (SIIT 2009), 76-91, Tokyo, Japan, 2009.

Widjaja, Thomas; Buxmann, Peter: Service-oriented Architectures: Modeling the Selection of Services and Platforms. Proceedings of the European Conference on Information Systems (ECIS 2009), Verona, Italien, 2009.

Becker, Alexander; Buxmann, Peter; Widjaja, Thomas: Value Potential and Challenges of Service-oriented Architectures – A User and Vendor Perspective. Proceedings of the European Conference on Information Systems (ECIS 2009), Verona, Italien, 2009.

Becker, Alexander; Buxmann, Peter; Widjaja, Thomas: Nutzenpotenziale von Serviceorientierten Architekturen – Ergebnisse einer Expertenbefragung. Tagungsband des dritten Workshops zu Bewertungsaspekten Serviceorientierter Architekturen (BSOA 2008), Leinfelden, 2008.

Langer, Kim; Voigtmann, Andreas; Widjaja, Thomas: SOA-basierte Partnernetzwerke. Manage IT, 1(2), 16-21, 2008.

Lang, Jan Christian; Widjaja, Thomas; Buxmann, Peter; Domschke, Wolfgang; Hess, Thomas: Optimizing the Supplier Selection and Service Portfolio of a SOA Service Integrator. Proceedings of Hawaii International Conference on System Sciences (HICSS-41), Hawaii, 2008. (Nominated for the Best-Paper-Award)

Buxmann, Peter; Hess, Thomas; Widjaja, Thomas: Serviceorientierte Architekturen: Grundlagen und Ansätze zur ökonomischen Bewertung aus Perspektive der Software-Industrie. WiSU das Wirtschaftsstudium, 10, 1316-1327, 2007.

Rößling, Guido; Gliesche, Felix; Jajeh, Thomas; Widjaja, Thomas: Enhanced Expressiveness in Scripting Using AnimalScript V2. Proceedings of the Third International Program Visualization Workshop, Warwick, England. Ari Korhonen (Hrsg.), 10-17, University of Warwick, Coventry, UK, 2004.