Please note that LibreCat no longer supports Internet Explorer versions 8 or 9 (or earlier).
We recommend upgrading to the latest Internet Explorer, Google Chrome, or Firefox.
116 Publications
2014 | Conference Paper | LibreCat-ID: 5573 | 
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.
LibreCat
| Files available
2014 | Journal Article | LibreCat-ID: 5585 |
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.
LibreCat
| Files available
2014 | Journal Article | LibreCat-ID: 5614 |
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).
LibreCat
| Files available
2014 | Journal Article | LibreCat-ID: 5627 |
Schryen, Guido, and Diana Hristova. “Duality in Fuzzy Linear Programming: A Survey.” OR -Spectrum 37, no. 1 (2014): 1–48.
LibreCat
| Files available
2014 | Journal Article | LibreCat-ID: 5636 |
Schryen, Guido. “Writing Qualitative IS Literature Reviews ? Guidelines for Synthesis, Interpretation and Guidance of Research.” Communications of the AIS, 2014.
LibreCat
| Files available
2013 | Journal Article | LibreCat-ID: 5682 |
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.
LibreCat
| Files available
2013 | Journal Article | LibreCat-ID: 6166 |
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.
LibreCat
| Files available
2013 | Journal Article | LibreCat-ID: 5575 |
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.
LibreCat
| Files available
2013 | Conference Paper | LibreCat-ID: 5576 |
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.
LibreCat
| Files available
2013 | Journal Article | LibreCat-ID: 5637 |
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.
LibreCat
| Files available
2012 | Conference Paper | LibreCat-ID: 5680 |
Püschel, Tim, Guido Schryen, Diana Hristova, and Dirk Neumann. “Cloud Service Revenue Management.” In European Conference on Information Systems, 2012.
LibreCat
| Files available
2012 | Conference Paper | LibreCat-ID: 5683
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.
LibreCat
2012 | Journal Article | LibreCat-ID: 5688 |
Bodenstein, Christian, Guido Schryen, and Dirk Neumann. “Energy-Aware Workload Management Models for Operating Cost Reduction in Data Centers.” European Journal of Operational Research : EJOR 222, no. 1 (2012): 157–67.
LibreCat
| Files available
2012 | Journal Article | LibreCat-ID: 5578 |
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.
LibreCat
| Files available
2012 | Conference Paper | LibreCat-ID: 5579 |
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.
LibreCat
| Files available
2012 | Conference Paper | LibreCat-ID: 5615 |
Schryen, Guido, and Felix Wex. “IS Design Thinking in Disaster Management Research.” In 45th Hawaii International Conference on System Sciences, 2012.
LibreCat
| Files available
2012 | Journal Article | LibreCat-ID: 5638 |
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.
LibreCat
| Files available
2012 | Journal Article | LibreCat-ID: 5639 |
Schryen, Guido. “Soziale Netzwerke in Unternehmenskontexten - Potentiale Und Anforderungen, in: Information Management & Consulting, to Appear.” IM Information Management & Consulting, 2012.
LibreCat
| Files available
2011 | Conference Paper | LibreCat-ID: 5684 |
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.
LibreCat
| Files available
2011 | Conference Paper | LibreCat-ID: 5689 |
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.
LibreCat
| Files available
2011 | Conference Paper | LibreCat-ID: 5581 |
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.
LibreCat
| Files available
2011 | Conference Paper | LibreCat-ID: 5619 |
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.
LibreCat
| Files available
2011 | Journal Article | LibreCat-ID: 5640 |
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.
LibreCat
| Files available
2011 | Conference Paper | LibreCat-ID: 5641 |
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.
LibreCat
| Files available
2010 | Conference Paper | LibreCat-ID: 5685 |
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.
LibreCat
| Files available
2010 | Conference Paper | LibreCat-ID: 5690 |
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.
LibreCat
| Files available
2010 | Conference Paper | LibreCat-ID: 5598 |
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.
LibreCat
| Files available
2010 | Conference Paper | LibreCat-ID: 5631 |
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.
LibreCat
| Files available
2010 | Conference Paper | LibreCat-ID: 5632 |
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.
LibreCat
| Files available
2010 | Conference Paper | LibreCat-ID: 5642 |
Schryen, Guido. “A Fuzzy Model for IT Security Investments.” In Sicherheit 2010 : Sicherheit, Schutz Und Zuverl{\"a}ssigkeit ; Konferenzband Der 5. Jahrestagung Des Fachbereichs Sicherheit Der Gesellschaft F{\"u}r 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.
LibreCat
| Files available
2010 | Conference Paper | LibreCat-ID: 5643 |
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.
LibreCat
| Files available
2010 | Journal Article | LibreCat-ID: 5644 |
Schryen, Guido. “Preserving Knowledge on IS Business Value: What Literature Reviews Have Done.” Business \& Information Systems Engineering (BISE) 52, no. 4 (2010): 225–37.
LibreCat
| Files available
2010 | Journal Article | LibreCat-ID: 5645 |
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.
LibreCat
| Files available
2009 | Conference Paper | LibreCat-ID: 5597 |
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.
LibreCat
| Files available
2009 | Journal Article | LibreCat-ID: 5621 |
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 \& Security 4, no. 4 Part (2009): 729–44.
LibreCat
| Files available
2009 | Conference Paper | LibreCat-ID: 5625 |
Schryen, Guido, and Rouven Kadura. “Open Source vs. Closed Source Software: Towards Measuring Security.” In 24th Annual ACM Symposium on Applied Computing, 2009.
LibreCat
| Files available
2009 | Conference Paper | LibreCat-ID: 5646 |
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 \& IT Forensics, 2009.
LibreCat
| Files available
2009 | Conference Paper | LibreCat-ID: 5647 |
Schryen, Guido. “Security of Open Source and Closed Source Software: An Empirical Comparison of Published Vulnerabilities.” In 15th Americas Conference on Information Systems, 2009.
LibreCat
| Files available
2008 | Journal Article | LibreCat-ID: 5648 |
Schryen, Guido. “Effektivität Und Effizienz von Anti-Spam-Maßnahmen.” Linux Technical Review, no. 7 (2008).
LibreCat
| Files available
2008 | Conference Paper | LibreCat-ID: 5649 |
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.
LibreCat
| Files available
2007 | Report | LibreCat-ID: 6287 |
Schryen, Guido. Preventing E-Mail Spam: The Conceptualization and the Analysis of an Infrastructure Framework, 2007.
LibreCat
| Files available
2007 | Book Chapter | LibreCat-ID: 5650
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.
LibreCat
2007 | Book | LibreCat-ID: 5651
Schryen, Guido. Anti-Spam Measures: Analysis and Design. Berlin, Heidelberg, New York: Springer, 2007.
LibreCat
2007 | Journal Article | LibreCat-ID: 5652 |
Schryen, Guido. “Anti-Spam Legislation: An Analysis of Laws and Their Effectiveness.” Information and Communications Technology Law 16, no. 1 (2007): 17–32.
LibreCat
| Files available
2007 | Book Chapter | LibreCat-ID: 5653
Schryen, Guido. “Approaches Addressing Spam.” In Spam: An Introduction, edited by D. Satesh and R. Prabhakar, 41–57. Hyderabad, India: ICFAI University Press, 2007.
LibreCat
2007 | Conference Paper | LibreCat-ID: 5654 |
Schryen, Guido. “Armed for the Spam Battle - a Technological and Organizational Infrastructure Framework.” In 40th Annual Hawaii International Conference on System Sciences, 2007.
LibreCat
| Files available
2007 | Journal Article | LibreCat-ID: 5655 |
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.
LibreCat
| Files available
2007 | Book Chapter | LibreCat-ID: 5656
Schryen, Guido. “Location Based Services.” In Vom LAN Zum Kommunikationsnetz - Systeme Und Applikationen, edited by Heinz Schulte. Kissing: Interest-Verlag, 2007.
LibreCat
2007 | Book Chapter | LibreCat-ID: 5657
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.
LibreCat
2007 | Journal Article | LibreCat-ID: 5658 |
Schryen, Guido. “The Impact That Placing Email Addresses on the Internet Has on the Receipt of Spam ? An Empirical Analysis.” Computers & Security 2, no. 5 (2007): 361–72.
LibreCat
| Files available