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121 Publications


2010 | Conference Paper | LibreCat-ID: 5690 | OA
From "Take-it-or-leave-it" offers to "Take-it-or-be-left-out" Ultimatum - A trade mechanism for Online Services
C. Bodenstein, G. Schryen, D. Neumann, in: 18th European Conference on Information Systems (ECIS 2010), 2010.
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2010 | Conference Paper | LibreCat-ID: 5598 | OA
Measuring eTrust in distributed systems - General Concept and Application to Internet Voting
M. Volkamer, G. Schryen, in: Proceedings of the 23rd Bled EConference, 2010.
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2010 | Conference Paper | LibreCat-ID: 5631 | OA
Increasing software security through open source or closed source development? Empirics suggest that we have asked the wrong question
G. Schryen, R. Eliot, in: 43rd Annual Hawaii International Conference on System Sciences, 2010.
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2010 | Conference Paper | LibreCat-ID: 5632 | OA
A decision-theoretic foundation of IS business value research
G. Schryen, C. Bodenstein, in: Proceedings of the 18th European Conference on Information Systems (ECIS 2010), 2010.
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2010 | Conference Paper | LibreCat-ID: 5642 | OA
A Fuzzy Model for IT Security Investments
G. Schryen, 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, Gesellschaft für Informatik, Bonn, 2010, pp. 289–304.
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2010 | Conference Paper | LibreCat-ID: 5643 | OA
An Analysis of Literature Reviews on IS Business Value: How Deficiencies in Methodology and Theory Use Resulted in Limited Effectiveness
G. Schryen, in: Proceedings of the First Scandinavian Conference on Information Systems (SCIS), 2010.
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2010 | Journal Article | LibreCat-ID: 5644 | OA
Preserving knowledge on IS business value: what literature reviews have done
G. Schryen, Business \& Information Systems Engineering (BISE) 52 (2010) 225–237.
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2010 | Journal Article | LibreCat-ID: 5645 | OA
Ökonomischer Wert von Informationssystemen - Beitrag von Literatur-Reviews zum Wissenserhalt ( = Preserving Knowledge on IS Business Value. What Literature Reviews Have Done)
G. Schryen, Wirtschaftsinformatik 52 (2010) 225–237.
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2009 | Conference Paper | LibreCat-ID: 5597 | OA
Elektronische Wahlen: Verifizierung vs. Zertifizierung
M. Volkamer, G. Schryen, L. Langer, A. Schmidt, J. Buchmann, in: Workshop Elektronische Wahlen, Elektronische Teilhabe, Societyware, 39th GI-Jahrestagung, 2009.
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2009 | Journal Article | LibreCat-ID: 5621 | OA
Security in Large-Scale Internet Elections: A Retrospective Analysis of Elections in Estonia, The Netherlands, and Switzerland
G. Schryen, E. Rich, IEEE Transactions on Information Forensics \& Security 4 (2009) 729–744.
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2009 | Conference Paper | LibreCat-ID: 5625 | OA
Open Source vs. Closed Source Software: Towards Measuring Security
G. Schryen, R. Kadura, in: 24th Annual ACM Symposium on Applied Computing, 2009.
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2009 | Conference Paper | LibreCat-ID: 5646 | OA
A comprehensive and comparative analysis of the patching behavior of open source and closed source software vendors
G. Schryen, in: 5th International Conference on IT Security Incident Management \& IT Forensics, 2009.
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2009 | Conference Paper | LibreCat-ID: 5647 | OA
Security of open source and closed source software: An empirical comparison of published vulnerabilities
G. Schryen, in: 15th Americas Conference on Information Systems, 2009.
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2008 | Journal Article | LibreCat-ID: 5648 | OA
Effektivität und Effizienz von Anti-Spam-Maßnahmen
G. Schryen, Linux Technical Review (2008).
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2008 | Conference Paper | LibreCat-ID: 5649 | OA
Practical Security of Large-scale Elections: An Exploratory Case Study of Internet Voting in Estonia
G. Schryen, in: 7th Workshop on E-Business (WEB 2008, AIS Special Interest Group on E-Business), 2008.
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2007 | Report | LibreCat-ID: 6287 | OA
Preventing E-mail Spam: The Conceptualization and the Analysis of an Infrastructure Framework
G. Schryen, Preventing E-Mail Spam: The Conceptualization and the Analysis of an Infrastructure Framework, 2007.
LibreCat | Files available
 

2007 | Book Chapter | LibreCat-ID: 5650
A Scalable and Flexible Infrastructure Framework For Addressing Spam
G. Schryen, in: D. Satesh, R. Prabhakar (Eds.), Proceedings of IPSI International Conference on Advances in the Internet, Processing, Systems, and Interdisciplinary Research, ICFAI University Press, Hyderabad, India, 2007, pp. 55–64.
LibreCat
 

2007 | Book | LibreCat-ID: 5651
Anti-Spam Measures: Analysis and Design
G. Schryen, Anti-Spam Measures: Analysis and Design, Springer, Berlin, Heidelberg, New York, 2007.
LibreCat
 

2007 | Journal Article | LibreCat-ID: 5652 | OA
Anti-spam legislation: An analysis of laws and their effectiveness
G. Schryen, Information and Communications Technology Law 16 (2007) 17–32.
LibreCat | Files available
 

2007 | Book Chapter | LibreCat-ID: 5653
Approaches Addressing Spam
G. Schryen, in: D. Satesh, R. Prabhakar (Eds.), Spam: An Introduction, ICFAI University Press, Hyderabad, India, 2007, pp. 41–57.
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