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104 Publications


2015 | Conference Paper | LibreCat-ID: 5589
IT Security Investments Through the Lens of the Resource-Based View: A new Theoretical Model and Literature Review
E. Weishäupl, E. Yasasin, G. Schryen, in: 23rd European Conference on Information Systems (ECIS 2015), 2015.
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2015 | Journal Article | LibreCat-ID: 5616
IT-Sicherheit: Ökonomisch Planen und Bewerten
G. Schryen, E. Weishäupl, Managementkompass (2015) 17–18.
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2015 | Conference Paper | LibreCat-ID: 5678
High-Performance Computing for Scheduling Decision Support: A Parallel Depth-First Search Heuristic
G. Rauchecker, G. Schryen, in: Australasian Conference on Information Systems, 2015, pp. 1–13.
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2015 | Journal Article | LibreCat-ID: 5679
Revenue Management for Cloud Computing Providers: Decision Models for Service Admission Control under Non-probabilistic Uncertainty
T. Püschel, G. Schryen, D. Hristova, D. Neumann, European Journal of Operational Research 244 (2015) 637–647.
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2014 | Journal Article | LibreCat-ID: 5687
Modellbasierte Entscheidungsunterstützung in Produktions- und Service-Netzwerken
A. Fink, N. Kliewer, D. Mattfeld, L. Mönch, F. Rothlauf, G. Schryen, L. Suhl, S. Voß, Wirtschaftsinformatik 56 (2014) 21–29.
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2014 | Report | LibreCat-ID: 6197
The Epistemological Impact of Literature Reviews in Information Systems Research
G. Schryen, The Epistemological Impact of Literature Reviews in Information Systems Research, 2014.
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2014 | Journal Article | LibreCat-ID: 5614
Risk Reduction in Natural Disaster Management Through Information Systems: A Literature review and an IS design science research agenda
G. Schryen, F. Wex, International Journal of Information Systems for Crisis Response and Management (IJISCRAM) 6 (2014).
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2014 | Journal Article | LibreCat-ID: 5627
Duality in fuzzy linear programming: A survey
G. Schryen, D. Hristova, OR -Spectrum 37 (2014) 1–48.
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2014 | Conference Paper | LibreCat-ID: 5672
A Decision Support System for IT Security Incident Management
G. Rauchecker, E. Yasasin, G. Schryen, in: 11th International Conference on Trust, Privacy, and Security in Digital Business (TRUSTBUS), 2014.
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2014 | Conference Paper | LibreCat-ID: 5573
A Fuzzy Security Investment Decision Support Model for Highly Distributed Systems
E. Yasasin, G. Rauchecker, J. Prester, G. Schryen, in: 1st Workshop on Security in Highly Connected IT Systems (SHCIS 14), 2014.
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2014 | Journal Article | LibreCat-ID: 5585
Emergency Response in Natural Disaster Management: Allocation and Scheduling of Rescue Units
F. Wex, G. Schryen, S. Feuerriegel, D. Neumann, European Journal of Operational Research (2014).
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2014 | Journal Article | LibreCat-ID: 5636 LibreCat | Files available
 

2014 | Journal Article | LibreCat-ID: 5686
Model-based Decision Support in Manufacturing and Service Networks
A. Fink, N. Kliewer, D. Mattfeld, L. Mönch, F. Rothlauf, G. Schryen, L. Suhl, S. Voß, Business & Information Systems Engineering (BISE) 6 (2014) 17–24.
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2013 | Journal Article | LibreCat-ID: 5637
Revisiting IS Business Value Research: What we already know, what we still need to know, and how we can get there
G. Schryen, European Journal of Information Systems (EJIS) 22 (2013) 139–169.
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2013 | Journal Article | LibreCat-ID: 5682
Sicherheitsherausforderungen in hochverteilten Systemen
H. de Meer, M. Diener, R. Herkenhöner, M. Kucera, M. Niedermeier, A. Reisser, G. Schryen, M. Vetter, T. Waas, E. Yasasin, PIK - Praxis Der Informationsverarbeitung Und Kommunikation 36 (2013) 153–159.
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2013 | Journal Article | LibreCat-ID: 6166 LibreCat | Files available
 

2013 | Journal Article | LibreCat-ID: 5575
Assignments of Collaborative Rescue Units during Emergency Response
F. Wex, G. Schryen, D. Neumann, International Journal of Information Systems for Crisis Response and Management 5 (2013) 63–80.
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2013 | Conference Paper | LibreCat-ID: 5576
Decision Modeling for Assignments of Collaborative Rescue Units during Emergency Response
F. Wex, G. Schryen, D. Neumann, in: Proceedings of the 46th Hawaii International Conference on System Science, 2013.
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2012 | Conference Paper | LibreCat-ID: 5579
Operational Emergency Response under Informational Uncertainty: A Fuzzy Optimization Model for Scheduling and Allocating Rescue Units
F. Wex, G. Schryen, D. Neumann, in: International Conference on Information Systems for Crisis Response and Management (ISCRAM) 2012, 2012.
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2012 | Conference Paper | LibreCat-ID: 5683
Elicitating, modeling, and processing uncertain human preferences for software agents in electronic negotiations: An empirical study
F. Lang, G. Schryen, A. Fink, in: International Conference on Information Systems, 2012.
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2012 | Journal Article | LibreCat-ID: 5688
Energy-Aware Workload Management Models for Operating Cost Reduction in Data Centers
C. Bodenstein, G. Schryen, D. Neumann, European Journal of Operational Research : EJOR 222 (2012) 157–167.
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2012 | Conference Paper | LibreCat-ID: 5615
IS Design Thinking in Disaster Management Research
G. Schryen, F. Wex, in: 45th Hawaii International Conference on System Sciences, 2012.
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2012 | Journal Article | LibreCat-ID: 5639 LibreCat | Files available
 

2012 | Conference Paper | LibreCat-ID: 5680
Cloud Service Revenue Management
T. Püschel, G. Schryen, D. Hristova, D. Neumann, in: European Conference on Information Systems, 2012.
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2012 | Journal Article | LibreCat-ID: 5578
A Fuzzy Decision Support Model for Natural Disaster Response under Informational Uncertainty
F. Wex, G. Schryen, D. Neumann, International Journal of Information Systems for Crisis Response and Management 4 (2012) 23–41.
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2011 | Conference Paper | LibreCat-ID: 5581
Intelligent Decision Support for Centralized Coordination during Emergency Response
F. Wex, G. Schryen, D. Neumann, in: Proceedings of the 8th International Conference on Information Systems for Crisis Response and Management (ISCRAM 2011), 2011.
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2011 | Conference Paper | LibreCat-ID: 5619
A formal approach towards measuring trust in distributed systems
G. Schryen, M. Volkamer, S. Ries, in: Proceedings of the 26th Annual ACM Symposium on Applied Computing, 2011.
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2011 | Journal Article | LibreCat-ID: 5640
Is open source security a myth? What do vulnerability and patch data say?
G. Schryen, Communications of the ACM (CACM) Vol. 54 (2011) 130–139.
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2011 | Conference Paper | LibreCat-ID: 5641
Seeking the VALUE in IS Business Value Research - An Agenda for investigating Synergies Between Socio-organizational Change, IS Capabilities Change, and IS Innovation
G. Schryen, 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
Automated Negotiations Under Uncertain Preferences
F. Lang, G. Schryen, A. Fink, in: Proceedings of the 2011 International Conference on Information Systems (ICIS 2011), 2011.
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2011 | Conference Paper | LibreCat-ID: 5689
Reducing Datacenter Energy Usage through Efficient Job Allocation
C. Bodenstein, G. Schryen, D. Neumann, in: Proceedings of the 19th European Conference on Information Systems (ECIS 2011), 2011.
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2010 | Conference Paper | LibreCat-ID: 5598
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: 5632
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 | Journal Article | LibreCat-ID: 5644
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 | Conference Paper | LibreCat-ID: 5690
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: 5642
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: 5685
Applying heuristic methods for job scheduling in storage markets
J. Finkbeiner, 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: 5631
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: 5643
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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2009 | Conference Paper | LibreCat-ID: 5625
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 | Journal Article | LibreCat-ID: 5621
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: 5646
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
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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2009 | Conference Paper | LibreCat-ID: 5597
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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2008 | Conference Paper | LibreCat-ID: 5649
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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2008 | Journal Article | LibreCat-ID: 5648
Effektivität und Effizienz von Anti-Spam-Maßnahmen
G. Schryen, Linux Technical Review (2008).
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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.
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2007 | Book Chapter | LibreCat-ID: 5656
Location Based Services
G. Schryen, in: H. Schulte (Ed.), Vom LAN Zum Kommunikationsnetz - Systeme Und Applikationen, Interest-Verlag, Kissing, 2007.
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