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111 Publications
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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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2008 | Journal Article | LibreCat-ID: 5648
Schryen, Guido. “Effektivität Und Effizienz von Anti-Spam-Maßnahmen.” Linux Technical Review, no. 7 (2008).
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2007 | Book | LibreCat-ID: 5651
Schryen, Guido. Anti-Spam Measures: Analysis and Design. Berlin, Heidelberg, New York: Springer, 2007.
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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.
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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.
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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.
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2007 | Report | LibreCat-ID: 6287
Schryen, Guido. Preventing E-Mail Spam: The Conceptualization and the Analysis of an Infrastructure Framework, 2007.
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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.
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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.
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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.
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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.
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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.
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2006 | Conference Paper | LibreCat-ID: 5659
Schryen, Guido. “A Formal Approach towards Assessing the Effectiveness of Anti-Spam Procedures.” In 39th Annual Hawaii International Conference on System Sciences, 2006.
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2005 | Journal Article | LibreCat-ID: 5660
Schryen, Guido. “A Honeypot for the Exploration of Spammers’ Behaviour.” IATAC IAnewsletter 8, no. 3 (2005): 22–25.
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2005 | Conference Paper | LibreCat-ID: 5661
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.
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2004 | Conference Paper | LibreCat-ID: 5663
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.
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2004 | Conference Paper | LibreCat-ID: 5664
Schryen, Guido. “How Security Problems Can Compromise Remote Internet Voting Systems.” In Workshop of the ESF TED Programme, 121–31, 2004.
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