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104 Publications


2017 | Conference Paper | LibreCat-ID: 5692
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) (pp. 1–7).
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2016 | Journal Article | LibreCat-ID: 5676
Rauchecker, G., & Schryen, G. (2016). Projekt KUBAS: Koordination ungebundener Vor-Ort-Helfer. Im Einsatz, 23, 44–46.
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2016 | Conference Paper | LibreCat-ID: 5595
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.
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2016 | Journal Article | LibreCat-ID: 5617
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.
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2015 | Conference Paper | LibreCat-ID: 5618
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).
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2015 | Conference Paper | LibreCat-ID: 5588
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.
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2015 | Conference Paper | LibreCat-ID: 5590
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).
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2015 | Journal Article | LibreCat-ID: 5622
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.
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2015 | Journal Article | LibreCat-ID: 5634
Schryen, G. (2015). Writing qualitative IS literature reviews ? Guidelines for synthesis, interpretation and guidance of research. Communications of the AIS, 37(Art 12), 286–325.
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2015 | Conference Paper | LibreCat-ID: 5541
Yasasin, E., & Schryen, G. (2015). Requirements for IT Security Metrics - An Argumentation Theory Based Approach. In 23rd European Conference on Information Systems (ECIS 2015).
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2015 | Conference Paper | LibreCat-ID: 5589
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).
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2015 | Journal Article | LibreCat-ID: 5616
Schryen, G., & Weishäupl, E. (2015). IT-Sicherheit: Ökonomisch Planen und Bewerten. Managementkompass, (2), 17–18.
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2015 | Conference Paper | LibreCat-ID: 5678
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).
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2015 | Journal Article | LibreCat-ID: 5679
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.
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2014 | Journal Article | LibreCat-ID: 5687
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.
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2014 | Report | LibreCat-ID: 6197
Schryen, G. (2014). The Epistemological Impact of Literature Reviews in Information Systems Research.
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2014 | Journal Article | LibreCat-ID: 5614
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).
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2014 | Journal Article | LibreCat-ID: 5627
Schryen, G., & Hristova, D. (2014). Duality in fuzzy linear programming: A survey. OR -Spectrum, 37(1), 1–48.
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2014 | Conference Paper | LibreCat-ID: 5672
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).
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2014 | Conference Paper | LibreCat-ID: 5573
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).
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2014 | Journal Article | LibreCat-ID: 5585
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.
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2014 | Journal Article | LibreCat-ID: 5636
Schryen, G. (2014). Writing qualitative IS literature reviews ? Guidelines for synthesis, interpretation and guidance of research. Communications of the AIS.
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2014 | Journal Article | LibreCat-ID: 5686
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.
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2013 | Journal Article | LibreCat-ID: 5637
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.
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2013 | Journal Article | LibreCat-ID: 5682
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.
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2013 | Journal Article | LibreCat-ID: 6166
Wex, F., & Schryen, G. (2013). Effektiver Einsatz von Rettungskräften bei Naturkatastrophen - Modelle und Verfahren zur Entscheidungsunterstützung. Blick in Die Wissenschaft, (28), 27–32.
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2013 | Journal Article | LibreCat-ID: 5575
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.
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2013 | Conference Paper | LibreCat-ID: 5576
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.
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2012 | Conference Paper | LibreCat-ID: 5579
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.
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2012 | Journal Article | LibreCat-ID: 5638
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.
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2012 | Conference Paper | LibreCat-ID: 5683
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.
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2012 | Journal Article | LibreCat-ID: 5688
Bodenstein, C., Schryen, G., & Neumann, D. (2012). Energy-Aware Workload Management Models for Operating Cost Reduction in Data Centers. European Journal of Operational Research : EJOR, 222(1), 157–167.
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2012 | Conference Paper | LibreCat-ID: 5615
Schryen, G., & Wex, F. (2012). IS Design Thinking in Disaster Management Research. In 45th Hawaii International Conference on System Sciences.
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2012 | Journal Article | LibreCat-ID: 5639
Schryen, G. (2012). Soziale Netzwerke in Unternehmenskontexten - Potentiale und Anforderungen, in: Information Management & Consulting, to appear. IM Information Management & Consulting.
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2012 | Conference Paper | LibreCat-ID: 5680
Püschel, T., Schryen, G., Hristova, D., & Neumann, D. (2012). Cloud Service Revenue Management. In European Conference on Information Systems.
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2012 | Journal Article | LibreCat-ID: 5578
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.
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2011 | Conference Paper | LibreCat-ID: 5581
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).
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2011 | Conference Paper | LibreCat-ID: 5619
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.
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2011 | Journal Article | LibreCat-ID: 5640
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.
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2011 | Conference Paper | LibreCat-ID: 5641
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.
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2011 | Conference Paper | LibreCat-ID: 5684
Lang, F., Schryen, G., & Fink, A. (2011). Automated Negotiations Under Uncertain Preferences. In Proceedings of the 2011 International Conference on Information Systems (ICIS 2011).
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2011 | Conference Paper | LibreCat-ID: 5689
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).
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2010 | Conference Paper | LibreCat-ID: 5598
Volkamer, M., & Schryen, G. (2010). Measuring eTrust in distributed systems - General Concept and Application to Internet Voting. In Proceedings of the 23rd Bled eConference.
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2010 | Conference Paper | LibreCat-ID: 5632
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).
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2010 | Journal Article | LibreCat-ID: 5644
Schryen, G. (2010). Preserving knowledge on IS business value: what literature reviews have done. Business \& Information Systems Engineering (BISE), 52(4), 225–237.
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2010 | Journal Article | LibreCat-ID: 5645
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.
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2010 | Conference Paper | LibreCat-ID: 5690
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).
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2010 | Conference Paper | LibreCat-ID: 5642
Schryen, G. (2010). A Fuzzy Model for IT Security Investments. In F. C. Freiling (Ed.), 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 (Vol. 170, pp. 289–304). Bonn: Gesellschaft für Informatik.
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2010 | Conference Paper | LibreCat-ID: 5685
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).
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2010 | Conference Paper | LibreCat-ID: 5631
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.
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2010 | Conference Paper | LibreCat-ID: 5643
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).
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2009 | Conference Paper | LibreCat-ID: 5625
Schryen, G., & Kadura, R. (2009). Open Source vs. Closed Source Software: Towards Measuring Security. In 24th Annual ACM Symposium on Applied Computing.
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2009 | Journal Article | LibreCat-ID: 5621
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 \& Security, 4(4 Part), 729–744.
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2009 | Conference Paper | LibreCat-ID: 5646
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 \& IT Forensics.
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2009 | Conference Paper | LibreCat-ID: 5647
Schryen, G. (2009). Security of open source and closed source software: An empirical comparison of published vulnerabilities. In 15th Americas Conference on Information Systems.
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2009 | Conference Paper | LibreCat-ID: 5597
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.
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2008 | Conference Paper | LibreCat-ID: 5649
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).
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2008 | Journal Article | LibreCat-ID: 5648
Schryen, G. (2008). Effektivität und Effizienz von Anti-Spam-Maßnahmen. Linux Technical Review, (7).
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2007 | Book | LibreCat-ID: 5651
Schryen, G. (2007). Anti-Spam Measures: Analysis and Design. Berlin, Heidelberg, New York: Springer.
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2007 | Book Chapter | LibreCat-ID: 5656
Schryen, G. (2007). Location Based Services. In H. Schulte (Ed.), Vom LAN zum Kommunikationsnetz - Systeme und Applikationen. Kissing: Interest-Verlag.
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2007 | Journal Article | LibreCat-ID: 5652
Schryen, G. (2007). Anti-spam legislation: An analysis of laws and their effectiveness. Information and Communications Technology Law, 16(1), 17–32.
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2007 | Book Chapter | LibreCat-ID: 5657
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.
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2007 | Report | LibreCat-ID: 6287
Schryen, G. (2007). Preventing E-mail Spam: The Conceptualization and the Analysis of an Infrastructure Framework.
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2007 | Book Chapter | LibreCat-ID: 5653
Schryen, G. (2007). Approaches Addressing Spam. In D. Satesh & R. Prabhakar (Eds.), Spam: An Introduction (pp. 41–57). Hyderabad, India: ICFAI University Press.
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2007 | Journal Article | LibreCat-ID: 5658
Schryen, G. (2007). The Impact that Placing Email Addresses on the Internet has on the Receipt of Spam ? An Empirical Analysis. Computers & Security, 2(5), 361–372.
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2007 | Conference Paper | LibreCat-ID: 5654
Schryen, G. (2007). Armed for the spam battle - a technological and organizational infrastructure framework. In 40th Annual Hawaii International Conference on System Sciences.
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2007 | Book Chapter | LibreCat-ID: 5650
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.
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2007 | Journal Article | LibreCat-ID: 5655
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.
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2006 | Conference Paper | LibreCat-ID: 5659
Schryen, G. (2006). A formal approach towards assessing the effectiveness of anti-spam procedures. In 39th Annual Hawaii International Conference on System Sciences.
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2005 | Journal Article | LibreCat-ID: 5660
Schryen, G. (2005). A honeypot for the exploration of spammers’ behaviour. IATAC IAnewsletter, 8(3), 22–25.
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2005 | Conference Paper | LibreCat-ID: 5661
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.
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2004 | Conference Paper | LibreCat-ID: 5663
Schryen, G. (2004). Fighting Spam: Motivating an Account-based Approach. In P. Isaias (Ed.), Proceedings of the IADIS International Conference WWW/Internet 2004. vol. 2 (pp. 937–940). Madrid: IADIS Press.
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2004 | Conference Paper | LibreCat-ID: 5664
Schryen, G. (2004). How Security Problems Can Compromise Remote Internet Voting Systems. In Workshop of the ESF TED Programme (pp. 121–131).
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2004 | Conference Paper | LibreCat-ID: 5765
Schryen, G. (2004). Security Aspects of Internet Voting. In 37th Annual Hawaii International Conference on System Sciences.
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2004 | Book Chapter | LibreCat-ID: 5666
Schryen, G. (2004). Neulich am Hotspot - Bringt Mobiles Internet die Menschen ins Netz? In G. Gehrke (Ed.), Digitale Teilung - digitale Integration : Perspektiven der Internetnutzung (pp. 45–51). München: KOPAED-Verlag.
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2004 | Journal Article | LibreCat-ID: 5662
Schryen, G. (2004). Effektivität von Lösungsansätzen zur Bekämpfung von Spam. Wirtschaftsinformatik, 46(4), 281–288.
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2003 | Conference Paper | LibreCat-ID: 5668
Schryen, G. (2003). Internet-Wahlen. In 6. Internationale Tagung Wirtschaftsinformatik (pp. 937–956).
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2003 | Journal Article | LibreCat-ID: 5630
Schryen, G., & Herstell, J. (2003). Online-Marktforschung - Analyse von Konsumentenverhalten in virtuellen Umgebungen, in: Information Management & Consulting, 18,2. IM : Die Zeitschrift Für Information Management Und Consulting, 18(2), 74–77.
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2003 | Book | LibreCat-ID: 5629
Schryen, G., Herstell, J., & Schoenen, M. (2003). Online Marktforschung im Mittelstand: Analyse von Konsumentenverhalten in 3D-Internet-Welten. Wiesbaden: Deutscher Universitäts-Verlag.
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2003 | Book Chapter | LibreCat-ID: 5667
Schryen, G. (2003). E-Democracy: Internet Voting. In Proceedings of the IADIS International Conference WWW Internet 2003. vol. 2 (pp. 1017–1021). Algarve: IADIS Press.
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2002 | Conference Paper | LibreCat-ID: 5620
Schryen, G., & Schoenen, M. (2002). Data Warehouse in der Marktforschung - Analyse von Benutzeraktivitäten in virtuellen Welten. In Data Warehousing 2002 (pp. 103–119).
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2002 | Journal Article | LibreCat-ID: 5669
Schryen, G. (2002). Elektronische Zeitung - das Erbe Gutenbergs? I-Com. Zeitschrift Für Interaktive Und Kooperative Medien, (3), 36–37.
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2002 | Journal Article | LibreCat-ID: 5623
Schryen, G., & Karla, J. (2002). Elektronisches Papier - Display-Technologie mit weitem Anwendungsspektrum. Wirtschaftsinformatik, 44(6), 567–574.
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2001 | Book | LibreCat-ID: 5670
Schryen, G. (2001). Komponentenorientierte Softwareentwicklung in Softwareunternehmen: Konzeption eines Vorgehensmodells zur Einführung und Etablierung. Wiesbaden: Deutscher Universitäts-Verlag.
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