Wagner, G., Prester, J., &; Schryen, G. (2021). Exploring the Scientific Impact of Information Systems Design Science Research. Communications of the Association for Information Systems, 48(1), Article 37.

Schryen, G., Wagner, G., &; Benlian, A. (2020). Distinguishing Knowledge Impact from Citation Impact: A Methodology for Analysing Knowledge Impact for the Literature Review Genre.

Wagner, G., Empl, P., &; Schryen, G. (2020). Designing a Novel Strategy for Exploring Literature Corpora. In 28th European Conference on Information Systems (ECIS 2020). Marrakesh, Morocco.

Schryen, G. (2020). Integrating Management Science into the HPC Research Ecosystem. Communications of the ACM, 63(9), 35–37.

Schryen, G., Kliewer, N., &; Fink, A. (2020). Interview with Utz-Uwe Haus on “High Performance Computing in Economic Environments: Opportunities and Challenges". Business &; Information Systems Engineering, 62(01/2020), 21–23.

Schryen, G. (2020). Parallel computational optimization in operations research: A new integrative framework, literature review and research directions. European Journal of Operational Research, 287(1), 1–18.

Szubartowicz, E., &; Schryen, G. (2020). Timing in Information Security: An Event Study on the Impact of Information Security Investment Announcements. Journal of Information System Security, 16(1), 3–31.

Schryen, G., Wagner, G., Benlian, A., &; Paré, G. (2020). A Knowledge Development Perspective on Literature Reviews: Validation of a New Typology in the IS Field. Communications of the AIS, 46, 134–186.https://doi.org/10.17705/1CAIS.04607 

Schryen, G., Kliewer, N., &; Fink, A. (2020). High Performance Business Computing. Business &; Information Systems Engineering, 62(1), 1–3.https://doi.org/10.1007/s12599-019-00622-2 

Yasasin, E., Prester, J., Wagner, G., &; Schryen, G. (2020). Forecasting IT Security Vulnerabilities - An Empirical Analysis. Computers &; Security, 88(January).

Rauchecker, G., &; Schryen, G. (2019). An Exact Branch-and-Price Algorithm for Scheduling Rescue Units during Disaster Response. European Journal of Operational Research, 272(1), 352–363.

Rauchecker, G., &; Schryen, G. (2019). Using High Performance Computing for Unrelated Parallel Machine Scheduling with Sequence-Dependent Setup Times: Development and Computational Evaluation of a Parallel Branch-and-Price Algorithm. Computers &; Operations Research, (104), 338–357.

Schuhbeck, V., Siegfried, N., Dorner, V., Benlian, A., Scholz, M., &; Schryen, G. (2019). Walking the Middle Path: How Medium Trade-off Exposure Leads to Higher Consumer Satisfaction in Recommender Agents. In Proceedings of the 14. Internationale Tagung Wirtschaftsinformatik (pp. 55–64). Siegen, Germany.

Kuhlemann, S., Sellmann, M., &; Tierney, K. (2019). Exploiting Counterfactuals for Scalable Stochastic Optimization. In Lecture Notes in Computer Science. Cham.https://doi.org/10.1007/978-3-030-30048-7_40 

Schryen, G., Kliewer, N., Borndörfer, R., &; Koch, T. (2019). High-Performance Business Computing – Parallel Algorithms and Implementations for Solving Problems in Operations Research and Data Analysis. OR News, 65, 34–35.

Rauchecker, G., &; Schryen, G. (2018). Decision Support for the Optimal Coordination of Spontaneous Volunteers in Disaster Relief. In Proceedings of the 15th International Conference on Information Systems for Crisis Response and Management. Rochester, NY, USA.

Prester, J., Wagner, G., &; Schryen, G. (2018). Classifying the Ideational Impact of IS Review Articles: A Natural Language Processing Based Approach. In Proceedings of the 2018 International Conference on Information Systems (ICIS 2018). San Francisco, CA, USA.

Schillinger, R., &; Schryen, G. (2018). Security in Highly Connected IT Systems – Results of the Bavarian Research Alliance FORSEC. University of Regensburg.https://doi.org/10.5283/epub.36264 

Weishäupl, E., Yasasin, E., &; Schryen, G. (2018). Information Security Investments: An Exploratory Multiple Case Study on Decision-Making, Evaluation and Learning. Computers &; Security, 77, 807–823.

Schuster, R., Wagner, G., &; Schryen, G. (2018). Information Systems Design Science Research and Cumulative Knowledge Development: An Exploratory Study. In Proceedings of the 2018 International Conference on Information Systems (ICIS 2018). San Francisco, CA, USA.

Hallmann, C., Burmeister, S. C., Wissing, M., &; Suhl, L. (2018). Heuristics and Simulation for Water Tank Optimization. In Communications in Computer and Information Science. Cham.https://doi.org/10.1007/978-3-319-96271-9_5 

Hallmann, C., &; Kuhlemann, S. (2018). Model Generator for Water Distribution Systems. In Operations Research Proceedings. Cham.https://doi.org/10.1007/978-3-319-89920-6_34 

Aziz, H., Rauchecker, G., Schryen, G., &; Walsh, T. (2017). Algorithms for Max-Min Share Fair Allocation of Indivisible Chores. In Thirty-First AAAI Conference on Artificial Intelligence (AAAI-17) (Vol. 31, pp. 1–7). San Francisco, CA, USA.

Wagner, G., Prester, J., &; Schryen, G. (2017). Exploring the Scientific Impact of Information Systems Design Science Research: A Scientometric Study. In 38th International Conference on Information Systems. Seoul, South Korea.

Schryen, G., &; Hristova, D. (2017). High-Performance Business Computing - Effizienzsteigerung durch Parallelisierung. Smart Data Radar (Deutsche Bank).

Schryen, G., Benlian, A., Rowe, F., Shirley, G., Larsen, K., Petter, S.,  Yasasin, E. (2017). Literature Reviews in IS Research: What Can Be Learnt from the Past and Other Fields? Communications of the AIS, 40, 557–569.

Scholz, M., Dorner, V., Schryen, G., &; Benlian, A. (2017). A configuration-based recommender system for supporting e-commerce decisions. European Journal of Operational Research, 259(1), 205–215.

Beckschäfer, M., Malberg, S., Tierney, K., &; Weskamp, C. (2017). Simulating Storage Policies for an Automated Grid-Based Warehouse System. In Lecture Notes in Computer Science. Cham.https://doi.org/10.1007/978-3-319-68496-3_31 

Rauchecker, G., &; Schryen, G. (2016). Projekt KUBAS: Koordination ungebundener Vor-Ort-Helfer. Im Einsatz, 23, 44–46.

Wagner, G., Prester, J., Roche, M., Benlian, A., &; Schryen, G. (2016). Factors Affecting the Scientific Impact of Literature Reviews: A Scientometric Study. In International Conference on Information Systems.

Schryen, G., Wagner, G., &; Schlegel, A. (2016). Development of two novel face-recognition CAPTCHAs: a security and usability study. Computers &; Security, 60(July), 95–116.

Rauchecker, G., &; Schryen, G. (2015). High-Performance Computing for Scheduling Decision Support: A Parallel Depth-First Search Heuristic. In Australasian Conference on Information Systems (pp. 1–13).

Püschel, T., Schryen, G., Hristova, D., &; Neumann, D. (2015). Revenue Management for Cloud Computing Providers: Decision Models for Service Admission Control under Non-probabilistic Uncertainty. European Journal of Operational Research, 244(2), 637–647.

Yasasin, E., &; Schryen, G. (2015). Requirements for IT Security Metrics - An Argumentation Theory Based Approach. In 23rd European Conference on Information Systems (ECIS 2015).

Weishäupl, E., Yasasin, E., &; Schryen, G. (2015). A Multi-Theoretical Literature Review on Information Security Investments using the Resource-Based View and the Organizational Learning Theory. In International Conference on Information Systems.

Weishäupl, E., Yasasin, E., &; Schryen, G. (2015). IT Security Investments Through the Lens of the Resource-Based View: A new Theoretical Model and Literature Review. In 23rd European Conference on Information Systems (ECIS 2015).

Weishäupl, E., Kunz, M., Yasasin, E., Wagner, G., Prester, J., Schryen, G., &; Pernul, G. (2015). Towards an Economic Approach to Identity and Access Management Systems Using Decision Theory. In 2nd International Workshop on Security in highly connected IT Systems (SHCIS?15).

Schryen, G., &; Weishäupl, E. (2015). IT-Sicherheit: Ökonomisch Planen und Bewerten. Managementkompass, (2), 17–18.

Schryen, G., Wagner, G., &; Benlian, A. (2015). Theory of Knowledge for Literature Reviews: An Epistemological Model, Taxonomy and Empirical Analysis of IS Literature. In International Conference on Information Systems (ICIS).

Schryen, G., Rauchecker, G., &; Comes, M. (2015). Resource Planning in Disaster Response - Decision Support Models and Methodologies. Business &; Information Systems Engineering (BISE), 57(4), 243–259.

Schryen, G. (2015). Writing qualitative IS literature reviewsf? Guidelines for synthesis, interpretation and guidance of research. Communications of the AIS, 37(Art 12), 286–325.

Rauchecker, G., Yasasin, E., &; Schryen, G. (2014). A Decision Support System for IT Security Incident Management. In 11th International Conference on Trust, Privacy, and Security in Digital Business (TRUSTBUS).

Fink, A., Kliewer, N., Mattfeld, D., Mönch, L., Rothlauf, F., Schryen, G.,  Voß, S. (2014). Model-based Decision Support in Manufacturing and Service Networks. Business &; Information Systems Engineering (BISE), 6(1), 17–24.

Fink, A., Kliewer, N., Mattfeld, D., Mönch, L., Rothlauf, F., Schryen, G.,  Voß, S. (2014). Modellbasierte Entscheidungsunterstützung in Produktions- und Service-Netzwerken. Wirtschaftsinformatik, 56(1), 21–29.

Schryen, G. (2014). The Epistemological Impact of Literature Reviews in Information Systems Research.

Yasasin, E., Rauchecker, G., Prester, J., &; Schryen, G. (2014). A Fuzzy Security Investment Decision Support Model for Highly Distributed Systems. In 1st Workshop on Security in highly connected IT systems (SHCIS 14).

Wex, F., Schryen, G., Feuerriegel, S., &; Neumann, D. (2014). Emergency Response in Natural Disaster Management: Allocation and Scheduling of Rescue Units. European Journal of Operational Research.

Schryen, G., &; Wex, F. (2014). Risk Reduction in Natural Disaster Management Through Information Systems: A Literature review and an IS design science research agenda. International Journal of Information Systems for Crisis Response and Management (IJISCRAM), 6(1).

Schryen, G., &; Hristova, D. (2014). Duality in fuzzy linear programming: A survey. OR -Spectrum, 37(1), 1–48.

Schryen, G. (2014). Writing qualitative IS literature reviewsf? Guidelines for synthesis, interpretation and guidance of research. Communications of the AIS.

de Meer, H., Diener, M., Herkenhöner, R., Kucera, M., Niedermeier, M., Reisser, A.,  Yasasin, E. (2013). Sicherheitsherausforderungen in hochverteilten Systemen. PIK - Praxis Der Informationsverarbeitung Und Kommunikation, 36(3), 153–159.

Wex, F., &; Schryen, G. (2013). Effektiver Einsatz von Rettungskräften bei Naturkatastrophen - Modelle und Verfahren zur Entscheidungsunterstützung. Blick in Die Wissenschaft, (28), 27–32.

Wex, F., Schryen, G., &; Neumann, D. (2013). Assignments of Collaborative Rescue Units during Emergency Response. International Journal of Information Systems for Crisis Response and Management, 5(4), 63–80.

Wex, F., Schryen, G., &; Neumann, D. (2013). Decision Modeling for Assignments of Collaborative Rescue Units during Emergency Response. In Proceedings of the 46th Hawaii International Conference on System Science.

Schryen, G. (2013). Revisiting IS Business Value Research: What we already know, what we still need to know, and how we can get there. European Journal of Information Systems (EJIS), 22(2), 139–169.

Püschel, T., Schryen, G., Hristova, D., &; Neumann, D. (2012). Cloud Service Revenue Management. In European Conference on Information Systems.

Lang, F., Schryen, G., &; Fink, A. (2012). Elicitating, modeling, and processing uncertain human preferences for software agents in electronic negotiations: An empirical study. In International Conference on Information Systems.

Bodenstein, C., Schryen, G., &; Neumann, D. (2012). Energy-Aware Workload Management Models for Operating Cost Reduction in Data Centers. European Journal of Operational Researchf: EJOR, 222(1), 157–167.

Wex, F., Schryen, G., &; Neumann, D. (2012). A Fuzzy Decision Support Model for Natural Disaster Response under Informational Uncertainty. International Journal of Information Systems for Crisis Response and Management, 4(3), 23–41.

Wex, F., Schryen, G., &; Neumann, D. (2012). Operational Emergency Response under Informational Uncertainty: A Fuzzy Optimization Model for Scheduling and Allocating Rescue Units. In International Conference on Information Systems for Crisis Response and Management (ISCRAM) 2012.

Schryen, G., &; Wex, F. (2012). IS Design Thinking in Disaster Management Research. In 45th Hawaii International Conference on System Sciences.

Schryen, G. (2012). Profis im Netz: Soziale Netzwerke könnten in Unternehmen viel mehr Nutzen stiften - woran hakt es?, in: Die Zeit (12.04.2012). Die Zeit.

Schryen, G. (2012). Soziale Netzwerke in Unternehmenskontexten - Potentiale und Anforderungen, in: Information Management &; Consulting, to appear. IM Information Management &; Consulting.

Lang, F., Schryen, G., &; Fink, A. (2011). Automated Negotiations Under Uncertain Preferences. In Proceedings of the 2011 International Conference on Information Systems (ICIS 2011).

Bodenstein, C., Schryen, G., &; Neumann, D. (2011). Reducing Datacenter Energy Usage through Efficient Job Allocation. In Proceedings of the 19th European Conference on Information Systems (ECIS 2011).

Wex, F., Schryen, G., &; Neumann, D. (2011). Intelligent Decision Support for Centralized Coordination during Emergency Response. In Proceedings of the 8th International Conference on Information Systems for Crisis Response and Management (ISCRAM 2011).

Schryen, G., Volkamer, M., &; Ries, S. (2011). A formal approach towards measuring trust in distributed systems. In Proceedings of the 26th Annual ACM Symposium on Applied Computing.

Schryen, G. (2011). Is open source security a myth? What do vulnerability and patch data say? Communications of the ACM (CACM), Vol. 54(No. 5), 130–139.

Schryen, G. (2011). Seeking the VALUE in IS Business Value Research - An Agenda for investigating Synergies Between Socio-organizational Change, IS Capabilities Change, and IS Innovation. In IS Capabilities Change, and IS Innovation, Proceedings of the 19th European Conference on Information Systems (ECIS 2011), Helsinki.

Finkbeiner, J., Bodenstein, C., Schryen, G., &; Neumann, D. (2010). Applying heuristic methods for job scheduling in storage markets. In 18th European Conference on Information Systems (ECIS 2010).

Bodenstein, C., Schryen, G., &; Neumann, D. (2010). From “Take-it-or-leave-it” offers to “Take-it-or-be-left-out” Ultimatum - A trade mechanism for Online Services. In 18th European Conference on Information Systems (ECIS 2010).

Volkamer, M., &; Schryen, G. (2010). Measuring eTrust in distributed systems - General Concept and Application to Internet Voting. In Proceedings of the 23rd Bled eConference.

Schryen, G., &; Eliot, R. (2010). Increasing software security through open source or closed source development? Empirics suggest that we have asked the wrong question. In 43rd Annual Hawaii International Conference on System Sciences.

Schryen, G., &; Bodenstein, C. (2010). A decision-theoretic foundation of IS business value research. In Proceedings of the 18th European Conference on Information Systems (ECIS 2010).

Schryen, G. (2010). A Fuzzy Model for IT Security Investments. In F. C. Freiling (Ed.), Sicherheit 2010f: Sicherheit, Schutz und Zuverl\'22assigkeitf; Konferenzband der 5. Jahrestagung des Fachbereichs Sicherheit der Gesellschaft f\'22ur Informatik e.V. (GI), 5. - 7. Oktober 2010 in Berlin (Vol. 170, pp. 289–304). Bonn: Gesellschaft für Informatik.

Schryen, G. (2010). An Analysis of Literature Reviews on IS Business Value: How Deficiencies in Methodology and Theory Use Resulted in Limited Effectiveness. In Proceedings of the First Scandinavian Conference on Information Systems (SCIS).

Schryen, G. (2010). Preserving knowledge on IS business value: what literature reviews have done. Business \'26; Information Systems Engineering (BISE), 52(4), 225–237.

Schryen, G. (2010). Ökonomischer Wert von Informationssystemen - Beitrag von Literatur-Reviews zum Wissenserhalt ( = Preserving Knowledge on IS Business Value. What Literature Reviews Have Done). Wirtschaftsinformatik, 52(4), 225–237.

Volkamer, M., Schryen, G., Langer, L., Schmidt, A., &; Buchmann, J. (2009). Elektronische Wahlen: Verifizierung vs. Zertifizierung. In Workshop Elektronische Wahlen, elektronische Teilhabe, Societyware, 39th GI-Jahrestagung.

Schryen, G., &; Rich, E. (2009). Security in Large-Scale Internet Elections: A Retrospective Analysis of Elections in Estonia, The Netherlands, and Switzerland. IEEE Transactions on Information Forensics \'26; Security, 4(4 Part), 729–744.

Schryen, G., &; Kadura, R. (2009). Open Source vs. Closed Source Software: Towards Measuring Security. In 24th Annual ACM Symposium on Applied Computing.

Schryen, G. (2009). A comprehensive and comparative analysis of the patching behavior of open source and closed source software vendors. In 5th International Conference on IT Security Incident Management \'26; IT Forensics.

Schryen, G. (2009). Security of open source and closed source software: An empirical comparison of published vulnerabilities. In 15th Americas Conference on Information Systems.

Schryen, G. (2008). Effektivität und Effizienz von Anti-Spam-Maßnahmen. Linux Technical Review, (7).

Schryen, G. (2008). Practical Security of Large-scale Elections: An Exploratory Case Study of Internet Voting in Estonia. In 7th Workshop on e-Business (WEB 2008, AIS Special Interest Group on E-Business).

Schryen, G. (2007). Preventing E-mail Spam: The Conceptualization and the Analysis of an Infrastructure Framework.

Schryen, G. (2007). A Scalable and Flexible Infrastructure Framework For Addressing Spam. In D. Satesh &; R. Prabhakar (Eds.), Proceedings of IPSI International Conference on Advances in the Internet, Processing, Systems, and Interdisciplinary Research (pp. 55–64). Hyderabad, India: ICFAI University Press.

Schryen, G. (2007). Anti-Spam Measures: Analysis and Design. Berlin, Heidelberg, New York: Springer.

Schryen, G. (2007). Anti-spam legislation: An analysis of laws and their effectiveness. Information and Communications Technology Law, 16(1), 17–32.

Schryen, G. (2007). Approaches Addressing Spam. In D. Satesh &; R. Prabhakar (Eds.), Spam: An Introduction (pp. 41–57). Hyderabad, India: ICFAI University Press.

Schryen, G. (2007). Armed for the spam battle - a technological and organizational infrastructure framework. In 40th Annual Hawaii International Conference on System Sciences.

Schryen, G. (2007). Do anti-spam measures effectively cover the e-mail communication network? A formal approach. The Journal of Information Systems Security (AIS Special Interest Group in Security), 3(2), 66–90.

Schryen, G. (2007). Location Based Services. In H. Schulte (Ed.), Vom LAN zum Kommunikationsnetz - Systeme und Applikationen. Kissing: Interest-Verlag.

Schryen, G. (2007). Spam-Emails. In H. Schulte (Ed.), Vom LAN zum Kommunikationsnetz - Systeme und Applikationen, Edition 02/2007 (Vol. 9/12). Kissing: Interest-Verlag.

Schryen, G. (2007). The Impact that Placing Email Addresses on the Internet has on the Receipt of Spamf? An Empirical Analysis. Computers &; Security, 2(5), 361–372.

Schryen, G. (2006). A formal approach towards assessing the effectiveness of anti-spam procedures. In 39th Annual Hawaii International Conference on System Sciences.

Schryen, G. (2005). A honeypot for the exploration of spammers’ behaviour. IATAC IAnewsletter, 8(3), 22–25.

Schryen, G. (2005). An e-mail honeypot addressing spammers’ behavior in collecting and applying addresses. In Proceedings of the 6th IEEE Information Assurance Workshop (pp. 37–41). Westpoint.

Schryen, G. (2004). Security Aspects of Internet Voting. In 37th Annual Hawaii International Conference on System Sciences.

Schryen, G. (2004). Effektivität von Lösungsansätzen zur Bekämpfung von Spam. Wirtschaftsinformatik, 46(4), 281–288.