Schryen, Guido. “Writing Qualitative IS Literature Reviewsf? Guidelines for Synthesis, Interpretation and Guidance of Research.” Communications of the AIS 37, no. Art 12 (2015): 286–325.

Rauchecker, Gerhard, Emrah Yasasin, and Guido Schryen. “A Decision Support System for IT Security Incident Management.” In 11th International Conference on Trust, Privacy, and Security in Digital Business (TRUSTBUS), 2014.

Fink, Andreas, Natalia Kliewer, Dirk Mattfeld, Lars Mönch, Franz Rothlauf, Guido Schryen, Leena Suhl, and Stefan Voß. “Model-Based Decision Support in Manufacturing and Service Networks.” Business &; Information Systems Engineering (BISE) 6, no. 1 (2014): 17–24.

Fink, Andreas, Natalia Kliewer, Dirk Mattfeld, Lars Mönch, Franz Rothlauf, Guido Schryen, Lena Suhl, and Stefan Voß. “Modellbasierte Entscheidungsunterstützung in Produktions- Und Service-Netzwerken.” Wirtschaftsinformatik 56, no. 1 (2014): 21–29.

Schryen, Guido. The Epistemological Impact of Literature Reviews in Information Systems Research, 2014.

Yasasin, Emrah, Gerhard Rauchecker, Julian Prester, and Guido Schryen. “A Fuzzy Security Investment Decision Support Model for Highly Distributed Systems.” In 1st Workshop on Security in Highly Connected IT Systems (SHCIS 14), 2014.

Wex, Felix, Guido Schryen, Stefan Feuerriegel, and Dirk Neumann. “Emergency Response in Natural Disaster Management: Allocation and Scheduling of Rescue Units.” European Journal of Operational Research, 2014.

Schryen, Guido, and Felix Wex. “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, no. 1 (2014).

Schryen, Guido, and Diana Hristova. “Duality in Fuzzy Linear Programming: A Survey.” OR -Spectrum 37, no. 1 (2014): 1–48.

Schryen, Guido. “Writing Qualitative IS Literature Reviewsf? Guidelines for Synthesis, Interpretation and Guidance of Research.” Communications of the AIS, 2014.

Meer, Hermann de, Michael Diener, Ralph Herkenhöner, Markus Kucera, Michael Niedermeier, Andreas Reisser, Guido Schryen, Michael Vetter, Thomas Waas, and Emrah Yasasin. “Sicherheitsherausforderungen in Hochverteilten Systemen.” PIK - Praxis Der Informationsverarbeitung Und Kommunikation 36, no. 3 (2013): 153–59.

Wex, Felix, and Guido Schryen. “Effektiver Einsatz von Rettungskräften Bei Naturkatastrophen - Modelle Und Verfahren Zur Entscheidungsunterstützung.” Blick in Die Wissenschaft, no. 28 (2013): 27–32.

Wex, Felix, Guido Schryen, and Dirk Neumann. “Assignments of Collaborative Rescue Units during Emergency Response.” International Journal of Information Systems for Crisis Response and Management 5, no. 4 (2013): 63–80.

Wex, Felix, Guido Schryen, and Dirk Neumann. “Decision Modeling for Assignments of Collaborative Rescue Units during Emergency Response.” In Proceedings of the 46th Hawaii International Conference on System Science, 2013.

Schryen, Guido. “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, no. 2 (2013): 139–69.

Püschel, Tim, Guido Schryen, Diana Hristova, and Dirk Neumann. “Cloud Service Revenue Management.” In European Conference on Information Systems, 2012.

Lang, Fabian, Guido Schryen, and Andreas Fink. “Elicitating, Modeling, and Processing Uncertain Human Preferences for Software Agents in Electronic Negotiations: An Empirical Study.” In International Conference on Information Systems, 2012.

Bodenstein, Christian, Guido Schryen, and Dirk Neumann. “Energy-Aware Workload Management Models for Operating Cost Reduction in Data Centers.” European Journal of Operational Researchf: EJOR 222, no. 1 (2012): 157–67.

Wex, Felix, Guido Schryen, and Dirk Neumann. “A Fuzzy Decision Support Model for Natural Disaster Response under Informational Uncertainty.” International Journal of Information Systems for Crisis Response and Management 4, no. 3 (2012): 23–41.

Wex, Felix, Guido Schryen, and Dirk Neumann. “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, 2012.

Schryen, Guido, and Felix Wex. “IS Design Thinking in Disaster Management Research.” In 45th Hawaii International Conference on System Sciences, 2012.

Schryen, Guido. “Profis Im Netz: Soziale Netzwerke Könnten in Unternehmen Viel Mehr Nutzen Stiften - Woran Hakt Es?, In: Die Zeit (12.04.2012).” Die Zeit, 2012.

Schryen, Guido. “Soziale Netzwerke in Unternehmenskontexten - Potentiale Und Anforderungen, in: Information Management &; Consulting, to Appear.” IM Information Management &; Consulting, 2012.

Lang, Fabian, Guido Schryen, and Andreas Fink. “Automated Negotiations Under Uncertain Preferences.” In Proceedings of the 2011 International Conference on Information Systems (ICIS 2011), 2011.

Bodenstein, Christian, Guido Schryen, and Dirk Neumann. “Reducing Datacenter Energy Usage through Efficient Job Allocation.” In Proceedings of the 19th European Conference on Information Systems (ECIS 2011), 2011.

Wex, Felix, Guido Schryen, and Dirk Neumann. “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), 2011.

Schryen, Guido, Melanie Volkamer, and Sebastian Ries. “A Formal Approach towards Measuring Trust in Distributed Systems.” In Proceedings of the 26th Annual ACM Symposium on Applied Computing, 2011.

Schryen, Guido. “Is Open Source Security a Myth? What Do Vulnerability and Patch Data Say?” Communications of the ACM (CACM) Vol. 54, no. No. 5 (2011): 130–39.

Schryen, Guido. “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, 2011.

Finkbeiner, Josef, Christian Bodenstein, Guido Schryen, and Dirk Neumann. “Applying Heuristic Methods for Job Scheduling in Storage Markets.” In 18th European Conference on Information Systems (ECIS 2010), 2010.

Bodenstein, Christian, Guido Schryen, and Dirk Neumann. “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), 2010.

Volkamer, Melanie, and Guido Schryen. “Measuring ETrust in Distributed Systems - General Concept and Application to Internet Voting.” In Proceedings of the 23rd Bled EConference, 2010.

Schryen, Guido, and Rich Eliot. “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, 2010.

Schryen, Guido, and Christian Bodenstein. “A Decision-Theoretic Foundation of IS Business Value Research.” In Proceedings of the 18th European Conference on Information Systems (ECIS 2010), 2010.

Schryen, Guido. “A Fuzzy Model for IT Security Investments.” In 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, edited by Felix C. Freiling, 170:289–304. GI-Edition: Lecture Notes in Informatics. Proceedings. Bonn: Gesellschaft für Informatik, 2010.

Schryen, Guido. “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), 2010.

Schryen, Guido. “Preserving Knowledge on IS Business Value: What Literature Reviews Have Done.” Business \'26; Information Systems Engineering (BISE) 52, no. 4 (2010): 225–37.

Schryen, Guido. “Ökonomischer Wert von Informationssystemen - Beitrag von Literatur-Reviews Zum Wissenserhalt ( = Preserving Knowledge on IS Business Value. What Literature Reviews Have Done).” Wirtschaftsinformatik 52, no. 4 (2010): 225–37.

Volkamer, Melanie, Guido Schryen, Lucie Langer, Axel Schmidt, and Johannes Buchmann. “Elektronische Wahlen: Verifizierung vs. Zertifizierung.” In Workshop Elektronische Wahlen, Elektronische Teilhabe, Societyware, 39th GI-Jahrestagung, 2009.

Schryen, Guido, and Eliot Rich. “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, no. 4 Part (2009): 729–44.

Schryen, Guido, and Rouven Kadura. “Open Source vs. Closed Source Software: Towards Measuring Security.” In 24th Annual ACM Symposium on Applied Computing, 2009.

Schryen, Guido. “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, 2009.

Schryen, Guido. “Security of Open Source and Closed Source Software: An Empirical Comparison of Published Vulnerabilities.” In 15th Americas Conference on Information Systems, 2009.

Schryen, Guido. “Effektivität Und Effizienz von Anti-Spam-Maßnahmen.” Linux Technical Review, no. 7 (2008).

Schryen, Guido. “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), 2008.

Schryen, Guido. Preventing E-Mail Spam: The Conceptualization and the Analysis of an Infrastructure Framework, 2007.

Schryen, Guido. “A Scalable and Flexible Infrastructure Framework For Addressing Spam.” In Proceedings of IPSI International Conference on Advances in the Internet, Processing, Systems, and Interdisciplinary Research, edited by D. Satesh and R. Prabhakar, 55–64. Hyderabad, India: ICFAI University Press, 2007.

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

Schryen, Guido. “Anti-Spam Legislation: An Analysis of Laws and Their Effectiveness.” Information and Communications Technology Law 16, no. 1 (2007): 17–32.

Schryen, Guido. “Approaches Addressing Spam.” In Spam: An Introduction, edited by D. Satesh and R. Prabhakar, 41–57. Hyderabad, India: ICFAI University Press, 2007.

Schryen, Guido. “Armed for the Spam Battle - a Technological and Organizational Infrastructure Framework.” In 40th Annual Hawaii International Conference on System Sciences, 2007.

Schryen, Guido. “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, no. 2 (2007): 66–90.

Schryen, Guido. “Location Based Services.” In Vom LAN Zum Kommunikationsnetz - Systeme Und Applikationen, edited by Heinz Schulte. Kissing: Interest-Verlag, 2007.

Schryen, Guido. “Spam-Emails.” In Vom LAN Zum Kommunikationsnetz - Systeme Und Applikationen, Edition 02/2007, edited by Heinz Schulte, Vol. 9/12. Kissing: Interest-Verlag, 2007.

Schryen, Guido. “The Impact That Placing Email Addresses on the Internet Has on the Receipt of Spamf? An Empirical Analysis.” Computers &; Security 2, no. 5 (2007): 361–72.

Schryen, Guido. “A Formal Approach towards Assessing the Effectiveness of Anti-Spam Procedures.” In 39th Annual Hawaii International Conference on System Sciences, 2006.

Schryen, Guido. “A Honeypot for the Exploration of Spammers’ Behaviour.” IATAC IAnewsletter 8, no. 3 (2005): 22–25.

Schryen, Guido. “An E-Mail Honeypot Addressing Spammers’ Behavior in Collecting and Applying Addresses.” In Proceedings of the 6th IEEE Information Assurance Workshop, 37–41. Westpoint, 2005.

Schryen, Guido. “Security Aspects of Internet Voting.” In 37th Annual Hawaii International Conference on System Sciences, 2004.

Schryen, Guido. “Effektivität von Lösungsansätzen Zur Bekämpfung von Spam.” Wirtschaftsinformatik 46, no. 4 (2004): 281–88.

Schryen, Guido. “Fighting Spam: Motivating an Account-Based Approach.” In Proceedings of the IADIS International Conference WWW/Internet 2004. Vol. 2, edited by Pedro Isaias, 937–40. Madrid: IADIS Press, 2004.

Schryen, Guido. “How Security Problems Can Compromise Remote Internet Voting Systems.” In Workshop of the ESF TED Programme, 121–31, 2004.

Schryen, Guido. “Neulich Am Hotspot - Bringt Mobiles Internet Die Menschen Ins Netz?” In Digitale Teilung - Digitale Integrationf: Perspektiven Der Internetnutzung, edited by Gernot Gehrke, 45–51. München: KOPAED-Verlag, 2004.

Schryen, Guido, Jan Herstell, and Markus Schoenen. Online Marktforschung Im Mittelstand: Analyse von Konsumentenverhalten in 3D-Internet-Welten. Wiesbaden: Deutscher Universitäts-Verlag, 2003.

Schryen, Guido, and Jan Herstell. “Online-Marktforschung - Analyse von Konsumentenverhalten in Virtuellen Umgebungen, in: Information Management &; Consulting, 18,2.” IMf: Die Zeitschrift Für Information Management Und Consulting 18, no. 2 (2003): 74–77.

Schryen, Guido. “E-Democracy: Internet Voting.” In Proceedings of the IADIS International Conference WWW Internet 2003. Vol. 2, 1017–21. Algarve: IADIS Press, 2003.

Schryen, Guido. “Internet-Wahlen.” In 6. Internationale Tagung Wirtschaftsinformatik, 937–56, 2003.

Schryen, Guido, and Markus Schoenen. “Data Warehouse in Der Marktforschung - Analyse von Benutzeraktivitäten in Virtuellen Welten.” In Data Warehousing 2002, 103–19, 2002.

Schryen, Guido, and Jürgen Karla. “Elektronisches Papier - Display-Technologie Mit Weitem Anwendungsspektrum.” Wirtschaftsinformatik 44, no. 6 (2002): 567–74.

Schryen, Guido. “Elektronische Zeitung - Das Erbe Gutenbergs?” I-Com. Zeitschrift Für Interaktive Und Kooperative Medien, no. 3 (2002): 36–37.

Schryen, Guido. Komponentenorientierte Softwareentwicklung in Softwareunternehmen: Konzeption Eines Vorgehensmodells Zur Einführung Und Etablierung. Wiesbaden: Deutscher Universitäts-Verlag, 2001.