
Volker Stix
ao.Univ.Prof. Mag.Dr.rer.soc.oec. Volker Stix- Email:
- volker.stix@wu.ac.at
CV
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No curriculum entries found.
Researcher Identifier
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No researcher identifier found.
Awards and Honors
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No awards found.
Classifications
Expertise
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No expertises found.
Activities
Publications
Journal article
2014 | Kayikci, Yasanur, Stix, Volker. 2014. Causal mechanism in transport collaboration. Expert Systems with Applications 41 (4): 1561-1575. | (Details) | |
2013 | Maier, Konradin, Stix, Volker. 2013. A Semi-Automated Approach for Structuring Multi Criteria Decision Problems. European Journal of Operational Research (EJOR) 225 (3): 487-496. | (Details) | |
Bernroider, Edward and Koch, Stefan and Stix, Volker. 2013. A Comprehensive Framework Approach using Content, Context, Process Views to Combine Methods from Operations Research for IT Assessments. Information Systems Management 30 (1): S. 75-88.
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2012 | Maida, Martina, Maier, Konradin, Obwegeser, Nikolaus, Stix, Volker. 2012. A Multidimensional Model of Trust in Recommender Systems. Lecture Notes in Business Information Processing 123 212-219. | (Details) | |
2011 |
Bernroider, Edward, Obwegeser, Nikolaus, Stix, Volker. 2011. Analysis of Heuristic Validity, Efficiency and Applicability of the Profile Distance Method for Implementation in Decision Support Systems. Computers and Operations Research 38 816-823.
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2010 | Bernroider, Edward, Koch, Stefan, Stix, Volker. 2010. Elements of Comprehensive Assessments of IT Infrastructure Projects in the Austrian Ministry of Finance. Lecture Notes in Computer Science 6267 84-91. | (Details) | |
Bernroider, Edward, Maier, Konradin, Stix, Volker. 2010. Incomplete Information within Relative Pairwise Comparisons as Utilized by the AHP. Lecture Notes in Business Information Processing 57 39-50. | (Details) | ||
Bernroider, Edward, Obwegeser, Nikolaus, Stix, Volker. 2010. The Profile Distance Method: Towards more Intuitive Multi Criteria Decision Making in Information Systems. Lecture Notes in Computer Science 6261 221-230. | (Details) | ||
Obwegeser, Nikolaus, Stix, Volker. 2010. Introducing Complex Decision Models to the Decision Maker with Computer Software - The Profile Distance Method (PDM). Journal of Systemics, Cybernetics and Informatics 8 (3): 24-28. | (Details) | ||
Bernroider, Edward, Obwegeser, Nikolaus, Stix, Volker. 2010. Introducing Complex Decision Models to the Decision Maker with Computer Software - The Profile Distance Method (PDM). Journal of Systemics, Cybernetics and Informatics 8 (3): 24-28. | (Details) | ||
2007 | Bernroider, Edward, Stix, Volker. 2007. A method using weight restrictions in data envelopment analysis for ranking and validity issues in decision making. Computers and Operations Research 34 (9): 2637-2647. | (Details) | |
2006 | Reiner, Jürgen, Stix, Volker. 2006. IT transformation decision processes: A conceptual frame-work for efficiency/effectiveness optimization. Communications of the IIMA 6 (3): 51-62. | (Details) | |
Bernroider, Edward, Stix, Volker. 2006. On the Applicability of Data Envelopment Analysis for Multiple Attribute Decision Making in the Context of Information System Appraisals. Communications of the IIMA 6 (2): 107-118. | (Details) | ||
Bernroider, Edward, Stix, Volker. 2006. Profile distance method - a multi-attribute decision making approach for information system investments. Decision Support Systems 42 (2): 988-998. | (Details) | ||
2005 | Dür, Mirjam, Stix, Volker. 2005. Probabilistic subproblem selection in branch-and-bound algorithms. Journal of Computational and Applied Mathematics 182 (1): 67-80. | (Details) | |
2004 | Stix, Volker. 2004. Finding All Maximal Cliques in Dynamic Graphs. Computational Optimization and Applications, 27, 2, 173-186 | (Details) | |
2003 | Stix, Volker. 2003. Target-Oriented Branch and Bound Method for Global Optimization. Journal of Global Optimization, 26, 261-277 | (Details) | |
1999 | Bomze, I. M., Pelillo, M., Stix, Volker. 1999. Approximating the maximum weight clique using replicator dynamics. IEEE Transactions on Neural Networks, 11(6), 1228-1241 | (Details) | |
Bomze, I. M., Stix, Volker. 1999. Genetic engineering via negative fitness: Evolutionary dynamics for global optimization. Annals of Oper. Res., 89 , 297-318 | (Details) |
Chapter in edited volume
2008 | Bernroider, Edward, Koch, Stefan, Stix, Volker. 2008. Das Public IT Assessment Framework. In: Evaluierung von öffentlichen IT-Investitionen, Hrsg. Promberger/Janko/Ihle, 97-132. Wien: NWV Neuer Wiss.Verl.. | (Details) | |
Bernroider, Edward, Koch, Stefan, Stix, Volker. 2008. Rahmenmodelle und Methoden zur Messung des Nutzens von IT-Investitionen. In: Evaluierung von öffentlichen IT-Investitionen, Hrsg. Promberger/Janko/Ihle, 33-95. Wien: NWV Neuer Wiss.Verl.. | (Details) | ||
2004 | Janko, W.H., Stix, V.. 2004. Modelle zur Lernfortschrittskontrolle im E-Learning. In: Riedl, René, Auinger, Thomas (Hrsg.): Herausforderungen der Wirtschaftsinformatik. 179-191, Deutscher Universitäts-Verlag, Wiesbaden | (Details) |
Contribution to conference proceedings
2014 | Bernroider, Edward and Obwegeser, Nikolaus and Stix, Volker. 2014. Dissemination and Impact of Multi-criteria Decision Support Methods for IT Project Evaluation. In Proceedings of the 47th Annual Hawaii International Conference on System Sciences, Hrsg. Computer Society Press, S. 1103-1112. Hawaii: Computer Society Press. | (Details) | |
2013 | Maida, Martina, Maier, Konradin, Obwegeser, Nikolaus, Stix, Volker. Erscheinend. Success of Multi Criteria Decision Support Systems: The Relevance of Trust. In 2013 46th Hawaii International Conference on System Science (HICSS), Hrsg. | (Details) | |
2012 | Maida, Martina, Maier, Konradin, Obwegeser, Nikolaus, Stix, Volker. 2012. The effect of sensitivity analysis on the usage of recommender systems. In Proceedings of the 2nd Workshop on Human Decision Making in Recommender Systems in conjunction with the 6th ACM conference on Recommender Systems (RecSys 2012), Hrsg. de Gemmis, M., Felfernig, A., Lops, P., Ricci, F., Semeraro, G. and Willemsen, M., 15-18. Dublin, Ireland: | (Details) | |
2011 |
Maida, Martina, Maier, Konradin, Obwegeser, Nikolaus, Stix, Volker. 2011. Explaining MCDM acceptance: a conceptual model of influencing factors. In Proceedings of the Federated Conference on Computer Science and Information Systems, Hrsg. IEEE Digital Library, 297-303. Szczecin, Polen:
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2010 | Bernroider, Edward, Obwegeser, Nikolaus, Stix, Volker. 2010. The Profile Distance Method: Towards More Intuitive Multiple Criteria Decision Making in Information Systems. In Database and Expert Systems Applications, Hrsg. Pablo Garcia Bringas, Abdelkader Hameurlain, Gerald Quirchmayr, 221-230. University of Deusto, Bilbao, Spain: Springer Lecture Notes in Computer Science (LNCS). | (Details) | |
2009 | Bernroider, Edward, Obwegeser, Nikolaus, Stix, Volker. 2009. Introducing Complex Decision Models to the Decision Maker with Computer Software - The Profile Distance Method (PDM). In Proceedings of the 3rd International Conference on Knowledge Generation, Communication and Management, Hrsg. KGCM, 1-15. Orlando, Florida, US: | (Details) | |
Pucher, Hannes, Stix, Volker. 2009. Comparison of Nonlinear Optimization Methods on a Multinomial Logit-Model in R. In Proceedings of the IMETI, Hrsg. IIIS, 162-166. Florida: | (Details) | ||
Bernroider, Edward, Obwegeser, Nikolaus, Stix, Volker. 2009. Introducing Complex Decision Models to the Decision Maker with Computer Software The Profile Distance Method (PDM). In Proceedings of the IMETI, Hrsg. IIIS, 68-72. Florida: | (Details) | ||
2008 | Koch, Stefan, Stix, Volker. 2008. Open Source Project Categorization Based on Growth Rate Analysis and Portfolio Planning Methods. In Open Source Development, Communities and Quality, Hrsg. WCC 2008, 375-380. New York: Springer. | (Details) | |
2005 | Janko, Wolfgang, Stix, Volker. 2005. Usage of the iso-knowledge curve and an information system for block wise testing. In Proceedings of Training, Education & Simulation International, Hrsg. TESI, 23-27. Phoenix: | (Details) | |
2004 | Stix, Volker. 2004. A Branch and Bound Method for Optimal Scenario Tree Reduction. Proceedings of the 22nd conference on Mathematical Methods in Economics 2004 | (Details) | |
Bernroider, Edward, Stix, Volker. 2004. Enrichment of a Utility Ranking Method Using Data Envelopment Analysis - a Case Study of an ERP Selection Problem. Proceedings of the IRMA 2004 | (Details) | ||
Bernroider, Edward, Stix, Volker. 2004. Factors affecting the Type and Extent of Co-operation between Software Firms: An Economic Perspective. Proceedings of the IRMA 2004 | (Details) | ||
Reiner, Jürgen, Stix, Volker. 2004. IT Appraisal Methods and Methodologies - A critical literature review. Proceeding of the IRMA 2004 | (Details) | ||
2003 | Bernroider, Edward, Hahsler, Michael, Koch, Stefan, Stix, Volker. 2003. Data Envelopment Analysis zur Unterstützung der Auswahl und Einführung von ERP-Systemen. In: Geyer-Schulz, Andreas, Taudes, Alfred (Hrsg.): Informationswirtschaft: Ein Sektor mit Zukunft. Lecture Notes in Informatics (LNI), 11-26 | (Details) | |
Stix, Volker, Uren, Victoria. 2003. Semantic Structuring of Concepts Found in Scholarly Literature: An Empirical Study Using a Fuzzy Clustering Approach. Proceedings of the SCI 2003 | (Details) | ||
Bernroider, Edward, Stix, Volker. 2003. The Evaluation of ERP Systems Using Data Envelopment Analysis. Proceeding of the IRMA 2003 | (Details) |
Paper presented at an academic conference or symposium
2011 | Kayikci, Yasanur, Stix, Volker. 2011. Developing a Strategic Alignment Framework for Heterarchical Transport Collaboration Networks. 2nd Workshop on Young Academics' Management Science - YAMS, Graz, Österreich, 02.12.-03.12.. | (Details) | |
Kayikci, Yasanur, Stix, Volker. 2011. Understanding Influence Factors of System Structure in Transport Collaboration by Group Decision Support. Techno- Ökonomie- Forum 10. Forschungskolloquium, Graz, Österreich, 29.11.. | (Details) | ||
2010 | Bernroider, Edward, Obwegeser, Nikolaus, Stix, Volker. 2010. The Profile Distance Method: Towards More Intuitive Multiple Criteria Decision Making in Information Systems. 21st International Conference, DEXA 2010, University of Deusto, Bilbao, Spanien, 30.08.2010-03.09.2010. | (Details) | |
2009 | Stix, Volker. 2009. Comparison of Nonlinear Optimization Methods on a Multinomial Logit-Model in R. World Multi-Conference on Systemics, Cybernetics and Informatics, Orlando, Vereinigte Staaten/USA, 09.07-12.07. | (Details) | |
Stix, Volker. 2009. Introducing Complex Decision Models to the Decision Maker with Computer Software The Profile Distance Method (PDM). World Multi-Conference on Systemics, Cybernetics and Informatics, Orlando, Vereinigte Staaten/USA, 09.07-12.07. | (Details) | ||
2008 | Stix, Volker. 2008. Open Source Project Categorization Based on Growth Rate Analysis and Portfolio Planning Methods. OSS 2008, Mailand, Italien, 07.09.-10.09.. | (Details) | |
2006 | Stix, Volker, Reiner, Jürgen. 2006. IT transformation decision processes: A conceptual frame-work for efficiency/effectiveness optimization.. IIMA, New York, Vereinigte Staaten/USA, Okt.. | (Details) | |
Bernroider, Edward, Stix, Volker. 2006. On the Applicability of Data Envelopment Analysis for Multiple Attribute Decision Making in the Context of Information System Appraisals. IIMA, New York, Vereinigte Staaten/USA, Okt.. | (Details) | ||
2005 | Stix, Volker. 2005. The usage of (hyper-)graphs for modeling complex relations. International Workshop on Semanitc Engineering, Leipzig, Deutschland, July. | (Details) | |
Janko, Wolfgang, Stix, Volker. 2005. Usage of the iso-knowledge curve and an information system for block wise testing. Testing, Education and Simulation International, Maastricht, Niederlande, March. | (Details) | ||
Stix, Volker. 2005. Variations of branch and bound methods. Workshop of Algorithms in OR, Linz, Österreich, September. | (Details) | ||
2004 | Stix, Volker. 2004. A Branch and Bound Method for Optimal Scenario Tree Reduction. 22nd international conference on Mathematical Methods in Economics 2004 | (Details) | |
Bernroider, Edward, Stix, Volker. 2004. Enrichment of a Utility Ranking Method Using Data Envelopment Analysis - a Case Study of an ERP Selection Problem. IRMA 2004 | (Details) | ||
Bernroider, Edward, Stix, Volker. 2004. Factors affecting the Type and Extent of Co-operation between Software Firms: An Economic Perspective. IRMA 2004 | (Details) | ||
Reiner, Jürgen, Stix, Volker. 2004. IT Appraisal Methods and Methodologies - A critical literature review. IRMA 2004 | (Details) | ||
2003 | Bernroider, Edward, Hahsler, Michael, Koch, Stefan, Stix, Volker. 2003. Data Envelopment Analysis zur Unterstützung der Auswahl und Einführung von ERP-Systemen. Fachtagung 'Informationswirtschaft: Ein Sektor mit Zukunft', WU-Wien, September | (Details) | |
Stix, Volker, Uren, Victoria. 2003. Semantic Structuring of Concepts Found in Scholarly Literature: An Empirical Study Using a Fuzzy Clustering Approach. SCI 2003 | (Details) | ||
Bernroider, Edward, Stix, Volker. 2003. The Evaluation of ERP Systems Using Data Envelopment Analysis. IRMA 2003 | (Details) | ||
2002 | Stix, V.. 2002. Fuzzy clustering using dynamic graphs. Invited talk at the scolonto semantic web seminar, Open University, June, Milton Keynes, UK | (Details) | |
2001 | Stix, Volker. 2001. Approximation of the MCP with target oriented branch and bound. Refereed conference paper at MAX-CLIQUE01, May/June, Klagenfurt | (Details) | |
Stix, Volker. 2001. Stochastic branch and bound using a target oriented branch and bound approach. Refereed conference paper at SP01, August, Berlin | (Details) | ||
2000 | Stix, Volker. 2000. Target oriented branch and bound for the maximum clique problem. Refereed paper at the International Workshop on Statistical Mechanics and Graph Theory, May, Triest, Italy | (Details) | |
1999 | Stix, Volker. 1999. Approximating the maximum weight clique problem using replicator dynamics. Refereed conference paper at the International Conference on Global Optimization, September, Florence, Italy | (Details) | |
1997 | Stix, Volker. 1997. Implementation details using replicator dynamics. MAX-CLIQUE97, June, Triest, Italy | (Details) |
Working/discussion paper, preprint
2002 | Dür, M., Stix, V.. 2002. Probabilistic Subset Selection in Branch-and-Bound Algorithms. Forschungsbericht Nr. 80 des Instituts für Statistik der WU Wien | (Details) | |
2001 | Stix, Volker. 2001. Finding All Maximal Cliques in Evolving Graphs. Department of Information Business, Technical Report, TR02/2002, Vienna University of Economics | (Details) | |
Stix, Volker. 2001. Stochastic branch and bound applying target oriented branch and bound method to optimal scenario tree reduction. Department of Information Business, Technical Report, TR03/2002, Vienna University of Economics | (Details) | ||
Stix, Volker. 2001. Target Oriented Branch and Bound Method for Global Optimization. Department of Information Business, Technical Report, TR01/2002, Vienna University of Economics | (Details) |
Research report, expert opinion
2001 | Stix, Volker. 2001. Design issues for a Catastrophic-Flood-Bond for the City of Vienna. Department of Statistics and Decision Support Systems, University of Vienna | (Details) |
Textbook
2006 | Bernroider, Edward, Stix, Volker. 2006. Grundzüge der Modellierung. 2. erweiterte Auflage. Wien: Facultas. | (Details) | |
2004 | Bernroider, Edward, Stix, Volker. 2004. Grundzüge der Modellierung. Wien: Facultas. | (Details) |
Dissertation
2000 | Stix, Volker. 2000. Global optimization of standard quadratic problems including parallel approaches. Ph.D. Thesis, University of Vienna | (Details) |
Diploma thesis
1997 | Stix, Volker. 1997. The Maximum Clique Problem - A Fresh Approach: Empirical Evidence and Implementation in C++. Diploma Thesis, University of Vienna | (Details) |
Unpublished lecture
2009 | Stix, Volker. 2009. Visualization of Complex Selection Problems. Invited Talk, Dallas, 24.07. | (Details) | |
Stix, Volker. 2009. Easy applications for complex selection problems. Invited Talk, Istanbul, 02.04. | (Details) | ||
Stix, Volker. 2009. Introducing Complex Decision Models to the Decision Maker. Invited Talk, Münster, 12.03. | (Details) | ||
Stix, Volker. 2009. Weitläufigkeit von BI Anwendungen. Workshop, Wien, 12.02. | (Details) | ||
2007 | Stix, Volker, Pucher, Hannes. 2007. Potentials of R-Libraries for non-linear optimization problems. Workshop, Wien, 04.05. | (Details) | |
Stix, Volker. 2007. Einsatzmöglichkeiten von OR-Methoden im e-Tourismus. Präsentation, Innsbruck, 13.02. | (Details) | ||
2006 | Taudes, Alfred, Stix, Volker. 2006. SAP & ROI. Tagung der SAP Public Sector User Group Austria, Wien, 27.04. | (Details) |