Browse by Institutions of the University

2013

Wex, Felix and Schryen, Guido and Neumann, Dirk (2013) Decision Modeling for Assignments of Collaborative Rescue Units during Emergency Response. In: Proceedings of the 46th Hawaii International Conference on System Science, 7-10 January 2013, Maui, Hawaii, USA.

Schryen, Guido (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) (accepted) 22 (2), pp. 139-169. (Submitted)

2012

Schryen, Guido (2012) Profis im Netz: Soziale Netzwerke könnten in Unternehmen viel mehr Nutzen stiften – woran hakt es?, in: Die Zeit (12.04.2012). .

Schryen, Guido and Wex, Felix (2012) IS Design Thinking in Disaster Management Research. In: 45th Hawaii International Conference on System Sciences, 4.-7. Jan. 2012, Maui, Hawaii, USA.

Püschel, Tim and Schryen, Guido and Hristova, Diana and Neumann, Dirk (2012) Cloud Service Revenue Management. In: European Conference on Information Systems, June, 10-13,2012, Barcelona.

Lang, Fabian and Schryen, Guido and Fink, Andreas (2012) Elicitating, modeling, and processing uncertain human preferences for software agents in electronic negotiations: An empirical study. In: International Conference on Information Systems, December, 16-19, 2012 (conditionally accepted), Orlando, FL, USA.

Bodenstein, Christian and Schryen, Guido and Neumann, Dirk (2012) Energy-Aware Workload Management Models for Operating Cost Reduction in Data Centers. European Journal of Operational Research : EJOR 222 (1), pp. 157-167.

Wex, Felix and Schryen, Guido and Neumann, Dirk (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 , 22. - 25. April 2012, Vancouver. (In Press)

Wex, Felix and Schryen, Guido and Neumann, Dirk (2012) Operational Emergency Response under Informational Uncertainty: A Fuzzy Optimization Model for Scheduling and Allocating Rescue Units. International Journal of Information Systems for Crisis Response and Management 4 (3), pp. 23-41.

Schryen, Guido (2012) Soziale Netzwerke in Unternehmenskontexten - Potentiale und Anforderungen, in: Information Management & Consulting, to appear. Information Multimedia Communication imc. (In Press)

2011

Schryen, Guido (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.

Schryen, Guido and Volkamer, Melanie and Ries, Sebastian (2011) A formal approach towards measuring trust in distributed systems. In: Proceedings of the 26th Annual ACM Symposium on Applied Computing, March 21 - 25, 2011, TaiChung, Taiwan. (In Press)

Lang, Fabian and Schryen, Guido and Fink, Andreas (2011) Automated Negotiations Under Uncertain Preferences. In: Proceedings of the 2011 International Conference on Information Systems (ICIS 2011), 4-7 Dezember 2011, Shanghai, China.

Wex, Felix and Schryen, Guido and Neumann, Dirk (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), May 8 - 11, 2011, Lisbon, Portugal.

Bodenstein, Christian and Schryen, Guido and Neumann, Dirk (2011) Reducing Datacenter Energy Usage through Efficient Job Allocation. In: Proceedings of the 19th European Conference on Information Systems (ECIS 2011), 9-11 June 2011, Helsinki, Finland.

Schryen, Guido (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, 9-11 June 2011, Helsinki, Finland.

2010

Finkbeiner, Josef and Bodenstein, Christian and Schryen, Guido and Neumann, Dirk (2010) Applying heuristic methods for job scheduling in storage markets. In: 18th European Conference on Information Systems (ECIS 2010), 7-9 June 2010, Pretoria, South Africa.

Schryen, Guido (2010) A Fuzzy Model for IT Security Investments. In: Proceedings of Sicherheit, Schutz und Zuverlässigkeit" (SICHERHEIT 2010), October 5-7, 2010, Berlin.

Schryen, Guido and Bodenstein, Christian (2010) A decision-theoretic foundation of IS business value research. In: Proceedings of the 18th European Conference on Information Systems (ECIS 2010), 7-9 June 2010, Pretoria, South Africa.

Schryen, Guido (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), 20-22. August 2010, Rebild, North Jutland, Denmark.

Bodenstein, Christian and Schryen, Guido and Neumann, Dirk (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), 7-9 June 2010, Pretoria, South Africa. (In Press)

Schryen, Guido and Eliot, Rich (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, 2010, Kauai.

Volkamer, Melanie and Schryen, Guido (2010) Measuring eTrust in distributed systems - General Concept and Application to Internet Voting. In: Proceedings of the 23rd Bled eConference, June 20-23, 2010, Bled, Slovenia.

Schryen, Guido (2010) Preserving knowledge on IS business value: what literature reviews have done. Wirtschaftsinformatik/Business & Information Systems Engineering (BISE) 52 (4), pp. 225-237.

2009

Schryen, Guido (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, 15-17 September 2009, Stuttgart, Germany.

Volkamer, Melanie and Schryen, Guido and Langer, Lucie and Schmidt, Axel and Buchmann, Johannes (2009) Elektronische Wahlen: Verifizierung vs. Zertifizierung. In: Workshop Elektronische Wahlen, elektronische Teilhabe, Societyware, 39th GI-Jahrestagung, 2009.

Schryen, Guido and Kadura, Rouven (2009) Open Source vs. Closed Source Software: Towards Measuring Security. In: 24th Annual ACM Symposium on Applied Computing, March 8 - 12, 2009, Hawaii.

Schryen, Guido and Rich, Eliot (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), pp. 729-744.

Schryen, Guido (2009) Security of open source and closed source software: An empirical comparison of published vulnerabilities. In: 15th Americas Conference on Information Systems, August 6 - 9, 2009, San Francisco, California.

2008

Schryen, Guido (2008) Effektivität und Effizienz von Anti-Spam-Maßnahmen. Linux New Media AG.

Schryen, Guido (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), December 13, 2008, Paris.

2007

Schryen, Guido (2007) A Scalable and Flexible Infrastructure Framework For Addressing Spam. In: Satesh, D. and Prabhakar, R., (eds.) UNSPECIFIED ICFAI University Press, Hyderabad, India, pp. 55-64.

Schryen, Guido (2007) Anti-Spam Measures: Analysis and Design. Springer, Berlin, Heidelberg, New York. ISBN 9783642090875.

Schryen, Guido (2007) Anti-spam legislation: An analysis of laws and their effectiveness. Information and Communications Technology Law 16 (1), pp. 17-32.

Schryen, Guido (2007) Approaches Addressing Spam. In: Satesh, D. and Prabhakar, R., (eds.) Spam: An Introduction. ICFAI University Press, Hyderabad, India, pp. 41-57.

Schryen, Guido (2007) Armed for the spam battle - a technological and organizational infrastructure framework. In: 40th Annual Hawaii International Conference on System Sciences, 2007, Big Island.

Schryen, Guido (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), pp. 66-90.

Schryen, Guido (2007) Location Based Services. In: Schulte, Heinz, (ed.) Vom LAN zum Kommunikationsnetz - Systeme und Applikationen. Interest-Verlag, Kissing.

Schryen, Guido (2007) Spam-Emails. In: Schulte, Heinz, (ed.) Vom LAN zum Kommunikationsnetz - Systeme und Applikationen, Edition 02/2007. Interest-Verlag, Kissing.

Schryen, Guido (2007) The Impact that Placing Email Addresses on the Internet has on the Receipt of Spam – An Empirical Analysis. Computers & Security 2 (5), pp. 361-372.

2006

Schryen, Guido (2006) A formal approach towards assessing the effectiveness of anti-spam procedures. In: 39th Annual Hawaii International Conference on System Sciences, 2006, Kauai.

2005

Schryen, Guido (2005) A honeypot for the exploration of spammers' behaviour (ATAC IAnewsletter). United States Department of Defense.

Schryen, Guido (2005) An e-mail honeypot addressing spammers' behavior in collecting and applying addresses. In: 6th IEEE Information Assurance Workshop, 2005, Westpoint.

2004

Schryen, Guido (2004) Effektivität von Lösungsansätzen zur Bekämpfung von Spam. Wirtschaftsinformatik 46 (4), pp. 281-288.

Schryen, Guido (2004) Fighting Spam: Motivating an Account-based Approach. In: Proceedings of the IADIS International Conference WWW/Internet 2004, 2004, Madrid.

Schryen, Guido (2004) How Security Problems Can Compromise Remote Internet Voting Systems. In: Workshop of the ESF TED Programme, 2004, Bregenz.

Schryen, Guido (2004) Neulich am Hotspot - Bringt Mobiles Internet die Menschen ins Netz? In: Gehrke, Gernot, (ed.) Digitale Teilung - digitale Integration : Perspektiven der Internetnutzung. KOPAED-Verlag, München, pp. 45-51. ISBN 3-935686-95-1.

Schryen, Guido (2004) Security Aspects of Internet Voting. In: 37th Annual Hawaii International Conference on System Sciences, 2004, Big Island.

2003

Schryen, Guido (2003) E-Democracy: Internet Voting. In: Proceedings of the IADIS International Conference WWW Internet 2003. vol. 2. IADIS Press, Algarve, pp. 1017-1021.

Schryen, Guido (2003) Internet-Wahlen. In: 6. Internationale Tagung Wirtschaftsinformatik, 2003, Heidelberg.

Schryen, Guido and Herstell, Jan and Schoenen, Markus (2003) Online Marktforschung im Mittelstand: Analyse von Konsumentenverhalten in 3D-Internet-Welten. Deutscher Universitäts-Verlag, Wiesbaden.

Schryen, Guido and Herstell, Jan (2003) Online-Marktforschung – Analyse von Konsumentenverhalten in virtuellen Umgebungen, in: Information Management & Consulting, 18,2. Information Multimedia Communication (IMC).

2002

Schryen, Guido and Schoenen, Markus (2002) Data Warehouse in der Marktforschung - Analyse von Benutzeraktivitäten in virtuellen Welten. In: Data Warehousing 2002, 2002, Friedrichshafen.

Schryen, Guido and Karla, Jürgen (2002) Elektronisches Papier - Display-Technologie mit weitem Anwendungsspektrum. Wirtschaftsinformatik 44 (6), pp. 567-574.

2001

Schryen, Guido (2001) Komponentenorientierte Softwareentwicklung in Softwareunternehmen: Konzeption eines Vorgehensmodells zur Einführung und Etablierung. Deutscher Universitäts-Verlag, Wiesbaden.