Publications

Books

• Sonnenbichler, Andreas. An {Access} {Definition} and {Query} {Language}: {Towards} a {Unified} {Access} {Control} {Model}. KIT Scientific Publishing (2013). [URL]
• Glenn, Paul Artur. Strategieperspektiven - Ansätze und Sichtweisen zu Strategie und Strategischem Management. Shaker Media (2012).
• Luckner, Stefan, Schröder, Jan, Slamka, Christian, Franke, Markus, Geyer-Schulz, Andreas, Skiera, Bernd, Spann, Martin and Weinhardt, Christof. Prediction Markets - Fundamentals, Designs, and Applications. Gabler-Verlag (2011). [URL]
• Glenn, Paul Artur. Strategisches Management industrieller Dienstleistungen aus systemdynamischer Sicht. Sierke (2011).
• Neumann, Andreas W.. Recommender Systems for Information Providers - Designing Customer Centric Paths to Information. Physica-Verlag (Springer) (2009). [URL]
• Hoser, Bettina. Analysis of Asymmetric Communication Patterns in Computer Mediated Communication Environments. Universitätsverlag Karlsruhe (2005). [URL]
• Geyer-Schulz, Andreas. Fuzzy Rule-Based Expert Systems and Genetic Machine Learning. Physica-Verlag (1997).
• Geyer-Schulz, Andreas. Fuzzy Rule-Based Expert Systems and Genetic Machine Learning. Physica Verlag (1995). [URL]
• Geyer-Schulz, Andreas. Unscharfe Mengen im Operations Research. Verlag der wissenschaftlichen Gesellschaften Österreichs (1986). [URL]

Book Contributions

• Steinhauser, Martin, Sonnenbichler, Andreas Christoph and Geyer-Schulz, Andreas. Territorial Safety Networks. . [URL]
• Geyer-Schulz, Andreas and Ball, Fabian. Comparing Partitions of the Petersen Graph. In Imaizumi, Tadashi, Nakayama, Atsuho and Yokoyama, Satoru (eds.): Advanced Studies in Behaviormetrics and Data Science: Essays in Honor of Akinori Okada, Springer Singapore (2020). [URL]
• Ball, Fabian and Geyer-Schulz, Andreas. Symmetry in Graph Clustering. In Porzio, Giovanni C., Greselin, Francesca and Balzona, Simona (eds.): Book of Short Papers of CLADAG 2019, Cassino, SIS Societa Italiena di Statistica (2019).
• Fuhrmann, Tino, Schweizer, Marvin, Geyer-Schulz, Andreas and Kurz, Peter. On Estimating Pricing Models from End-Consumer Internet Car-Configuration Data. In Mucha, Hans-Joachim (eds.): Big Data Clustering. Data Preprocessing, Variable Selection, and Dimension Reduction, Weierstraß Institute (WIAS) (2017).
• Geyer-Schulz, Andreas, Ovelgönne, Michael and Stein, Martin. Modified Randomized Modularity Clustering: Adapting the Resolution Limit. In Lausen, Berthold, Van den Poel, Dirk and Ultsch, Alfred (eds.): Algorithms from and for Nature and Life, Springer International Publishing (2013). [URL]
• Geyer-Schulz, Andreas and Ball, Fabian. Formal Diagnostics for Graph Clustering: TheRole of Graph Automorphisms (Extended Abstract). In Minerva, Tommaso, Morlini, Isabella and Palumbo, Francesco (eds.): CLADAG 2013 - Book of Abstracts, CLEUP (2013).
• Geyer-Schulz, Andreas, Ovelgönne, Michael and Sonnenbichler, Andreas C.. A Social Location-Based Emergency Service to Eliminate the Bystander Effect. In M.S. Obaidat, G.A. Tsihrintzis, J. Filipe (eds.): e-Business and Telecommunications, Springer Berlin / Heidelberg (2012). [URL]
• Sotiris Diplaris, Andreas Sonnenbichler, Tomasz Kaczanowski, Phivos Mylonas, Ansgar Scherp, Maciej Janik, Symeon Papadopoulos, Michael Ovelgönne and Yiannis Kompatsiaris. Emerging, Collective Intelligence for personal, organisational and social use. In Nik Bessis and Fatos Xhafa (eds.): Next Generation Data Technologies For Collective Computational Intelligence, Springer-Verlag (2011).
• Geyer-Schulz, Andreas, Kratzer, Felix, Luckner, Stefan, Schröder, Jan, Seifert, Stefan, Skiera, Bernd, Slamka, Christian, Spann, Martin and Weinhardt, Christof. Prognosemärkte als Managementinstrument beim Dienstleistungsexport. In EULVerlag (eds.): Export und Internationalisierung wissensintensiver Dienstleistungen, EULVerlag (2010). [URL]
• Stadtfeld, Christoph, Geyer-Schulz, Andreas and Waldmann, Karl-Heinz. Estimating event-based exponential random graph models. In Dreier, Thomas, Krämer, Jan, Studer, Rudi and Weinhardt, Christoph (eds.): Information Management and Market Engineering, KIT Scientific Publishing (2010).
• Mylonas, Phivos, Solachidis, Vassilios, Geyer-Schulz, Andreas, Hoser, Bettina, Chapman, Sam, Ciravegna, Fabio, Staab, Steffen, Smrz, Pavel and Kompatsiaris, Yiannis. Efficient Media Exploitation Towards Collective Intelligence. In Fink, Andreas, Lausen, Berthold, Seidel, Wilfried and Ultsch, Alfred (eds.): Advances in Data Analysis, Data Handling and Business Intelligence, Springer Berlin Heidelberg (2010). [URL]
• Solachidis, Vassilios, Mylonas, Phivos, Geyer-Schulz, Andreas, Hoser, Bettina, Chapman, Sam, Ciravegna, Fabio, Lanfranchi, Vita, Scherp, Ansgar and Staab, Steffen. Collective Intelligence Generation from User Contributed Content. In Fink, Andreas, Lausen, Berthold, Seidel, Wilfried and Ultsch, Alfred (eds.): Advances in Data Analysis, Data Handling and Business Intelligence, Springer Berlin Heidelberg (2010). [URL]
• Geyer-Schulz, Andreas and Hoser, Bettina. Financial Accounting and Eigensystem Analysis. In Book of Short Papers: 7th Meeting of the Classification and Data Analysis Group of the Italian Statistical Society, CLEUP sc (Coop. Libraria Editrice Universita di Padova (2009).
• Franke, Markus, Geyer-Schulz, Andreas and Neumann, Andreas W.. Recommender Services in Scientific Digital Libraries. In Tsihrintzis, George A. and Jain, Lakhmi (eds.): Multi-Media Services in Intelligent Environments, Springer (2008).
• Luckner, Stefan, Schröder, Jan and Slamka, Christian. On the Forecast Accuracy of Sports Prediction Markets. In H. Gimpel, N.R. Jennings, G. Kersten, A. Ockenfels and C. Weinhardt (eds.): Negotiation, Auctions, and Market Engineering, Springer (2008).
• Schaefer, Cora and Hoser, Bettina. Die Beeinflussung von Zentralitätsmaßen der sozialen Netzwerkanalyse durch Gästeaccounts in Internet-Diskussionforen. In Christian Stegbauer (eds.): Netzwerkanalyse und Netzwerktheorie, VS Verlag für Sozialwissenschaften (2008).
• Franke, Markus and Geyer-Schulz, Andreas. Using restricted random walks for library recommendations and knowledge space exploration. In Ma, Matthew and Uchyigit, Gulden (eds.): Personalisation Techniques and Recommender Services, World Scientific Publishing (2007). [URL]
• Hoser, Bettina and Geyer-Schulz, Andreas. Organisationseffizienz. In Müller, Claudia and Gronau, Norbert (eds.): Analyse sozialer Netzwerke und Social Software - Grundlagen und Anwendungsbeispiele, Gito-Verlag (2007). [URL]
• Gantner, Julian, Geyer-Schulz, Andreas and Thede, Anke. A Single Sign-On Protocol for Distributed Web Applications based on Standard Internet Mechanisms. In Ascenso, Joao, Vasiu, Luminita, Belo, Carlos and Saramago, Monica (eds.): e-Business And Telecommunication Networks, Springer-Verlag (2006). [URL]
• Schaefer, Cora, Geyer-Schulz, Andreas and Berninghaus, Siegfried. Personality in Social Networks. A Theroretical Overview. In Dreier, T., Studer, R. and Weinhardt, C. (eds.): Information Management and Market Engineering, universitätsverlag karlsruhe (2006).
• Kunze, Jonas, Geyer-Schulz, Andreas and Berninghaus, Siegfried. Repeated Decision Making. In Dreier, T., Studer, R. and Weinhardt, C. (eds.): Information Management and Market Engineering, universitätsverlag karlsruhe (2006).
• Bomhardt, Christian, Franke, Markus, Gaul, Wolfgang, Geyer-Schulz, Andreas and Thede, Anke. Evaluationsdienste für mobile Lernumgebungen. In Deussen, Peter, Juling, Wilfried and Thum, Bernd (eds.): Nukath, Universitätsverlag Karlsruhe (2004).
• Geyer-Schulz, Andreas and Hahsler, Michael. Comparing Two Recommender Algorithms with the Help of Recommendations by Peers. In WEBKDD 2002 - MiningWeb Data for Discovering Usage Patterns and Profiles, Springer Berlin / Heidelberg (2003). [URL]
• Geyer-Schulz, Andreas, Hahsler, Michael and Jahn, Maximillian. myVU: A Next Generation Recommender System Based on Observed Consumer Behavior and Interactive Evolutionary Algorithms. In Gaul, Wolfgang, Opitz, Otto and Schader, Martin (eds.): Data Analysis, Springer (2000). [URL]
• Böhm, Walter and Geyer-Schulz, Andreas. Exact Uniform Initialization for Genetic Programming. In Belew, Richard K. and Vose, Michael (eds.): Foundations of Genetic Algorithms 4, Morgan Kaufmann Publishers (1997). [URL]
• Geyer-Schulz, A.. The MIT Beer Distribution Game Revisited. Genetic Machine Learning and Managerial Behavior in a Dynamic Decision Making Experiment. In Herrera, F. and Verdegay, J. L. (eds.): Genetic Algorithms and Soft Computing, Physica-Verlag (1996).
• Geyer-Schulz, Andreas. Fuzzy Classifier Systems. In Fuzzy Logic: State of the Art, Kluwer Academic Publishers (1993). [URL]

Articles

• Fuhrmann, Tino, Schweizer, Marvin, Geyer-Schulz, Andreas and Kurz, Peter. Mining Consumer-Generated Product-Configuration Data. Archives of Data Science, Series A (Online First) 8(1), pp.1 - 36 (2024).
• Nazemi, Abdolreza, Baumann, Friedrich, Schienle, Melanie and Fabozzi, Frank J. High-dimensional macroeconomic stress testing of corporate recovery rate. Quantitative Finance pp.1 - 10 (2024). [URL]
• Jakubik, Johannes, Nazemi, Abdolreza, Geyer-Schulz, Andreas and Fabozzi, Frank J. Incorporating Financial News for Forecasting Bitcoin Prices Based on Long Short-term Memory Networks. Quantitative Finance 23(2), pp.335 - 349 (2023). [URL]
• Fabozzi, Francesco A and Nazemi, Abdolreza. News-based Sentiment and the Value Premium. Journal of International Money and Finance 136(3), (2023). [URL]
• Nazemi, Abdolreza, Rezazadeh, Hani, Fabozzi, Frank J and Höchstötter, Markus. Deep Learning for Modeling the Collection Rate for Third-party Buyers. International Journal of Forecasting 38(1), pp.240 - 252 (2022). [URL]
• Nazemi, Abdolreza, Baumann, Friedrich and Fabozzi, Frank J. Intertemporal Defaulted Bond Recoveries Prediction via Machine Learning. European Journal of Operational Research 297(3), pp.1162 - 1177 (2022). [URL]
• Glenn, Paul Artur. Pricing oftmals stärkster Hebel zur Gewinnmaximierung. (58), (2020). [URL]
• Paetz, Friederike, Geyer-Schulz, Andreas and Steiner, Winfried J.. Report on the First Working Group Meeting of the “AG Marketing”. Archives of Data Science, Series A (Online First) 7(1), pp.1 - 13 (2020).
• Baier, Daniel, Geyer-Schulz, Andreas, Lausen, Berthold and Montanari, Angela . Editorial. Archives of Data Science, Series A (Online First) 6(1), pp.1 - 4 (2020).
• Baier, Daniel, Geyer-Schulz, Andreas, Montanari, Angela, Lausen, Berthold and Pociecha, Józef . Editorial Vol.6,2. Archives of Data Science, Series A (Online First) 6(2), pp.1 - 4 (2020).
• Glenn, Paul Artur. Value Creation durch Private Equity mittels Pricing. 9, (2020).
• Schweigert, Victoria-Anne and Geyer-Schulz, Andreas. The Impact of the General Data Protection Regulation on the Design and Measurement of Marketing Activities: Introducing Permission Marketing and Tracking for Improved Marketing & CRM Compliance with Legal Requirements. Journal of Marketing Development and Competitiveness 13(4), pp.63 - 71 (2019). [URL]
• Cowden, Chad, Fabozzi, Frank J and Nazemi, Abdolreza. Default Prediction of Commercial Real Estate Properties Using Machine Learning Techniques. The Journal of Portfolio Management 45(7), pp.55 - 67 (2019). [URL]
• Ball, Fabian and Geyer-Schulz, Andreas. How Symmetric Are Real-World Graphs? A Large-Scale Study. Symmetry 10(1(29)), pp.1 - 17 (2018). [URL]
• Nazemi, Abdolreza, Heidenreich, Konstantin and Fabozzi, Frank J. Improving Corporate Bond Recovery Rate Prediction Using Multi-Factor Support Vector Regressions. European Journal of Operational Research 271(2), pp.664 - 675 (2018). [URL]
• Nazemi, Abdolreza and Fabozzi, Frank J. Macroeconomic Variable Selection for Creditor Recovery Rates. Journal of Banking & Finance 89, pp.14 - 25 (2018). [URL]
• Ball, Fabian and Geyer-Schulz, Andreas. Invariant Graph Partition Comparison Measures. Symmetry 10(10), pp.1 - 24 (2018). [URL]
• Ball, Fabian and Geyer-Schulz, Andreas. Symmetry-based graph clustering partition stability. Archives of Data Science, Series A 4(1), pp.1 - 21 (2018). [URL]
• Schweigert, Victoria-Anne and Geyer-Schulz, Andreas. Improving the First Impression of an Online Scientific Publishing Service: A Usability Test. Archives of Data Science, Series A (Online First) 4(1), pp.1 - 21 (2018). [URL]
• Ball, Fabian and Geyer-Schulz, Andreas . The Impact of Graph Symmetry on Clustering. Archives of Data Science, Series A (Online First) 5(1), pp.1 - 19 (2018). [URL]
• Ball, Fabian and Geyer-Schulz, Andreas. Weak Invariants of Actions of the Automorphism Group of a Graph . Archives of Data Science, Series A 2(1), pp.123 - 144 (2017). [URL]
• Rese, Alexandra , Baier, Daniel , Geyer-Schulz, Andreas and Schreiber, Stefanie . How augmented reality apps are accepted by consumers: A comparative analysis using scales and opinions . Technological Forecasting and Social Change 124, pp.306 - 319 (2017). [URL]
• Ball, Fabian, Hummel, Thomas P., Sonnenbichler, Andreas C. and Schweigert, Victoria-Anne. ThesesDB -- blended self-service and supervision of students' theses. EAI Endorsed Transactions on e-Learning 4(13), (2017). [URL]
• Nazemi, Abdolreza, Pour, Farnoosh Fatemi, Heidenreich, Konstantin and Fabozzi, Frank J. Fuzzy Decision Fusion Approach for Loss-given-default Modeling. European Journal of Operational Research 262(2), pp.780 - 791 (2017). [URL]
• Geyer-Schulz, Andreas and Meyer-Waarden, Lars. Consumer Empowerment: What and Why?. Customer & Service Systems 1(1), pp.1 - 17 (2014). [URL]
• Geyer-Schulz, Andreas and Ovelgönne, Michael. Recent Advances in Modularity Optimization and Their Application in Retailing. Customer & Service Systems 1(1), pp.39 - 50 (2014).
• Stein, Martin and Geyer-Schulz, Andreas. A Comparison of Five Programming Languages in a Graph Clustering Scenario. Journal of Universal Computer Science 19(3), pp.428 - 456 (2013). [URL]
• Glenn, Paul Artur and Bandulet, Friedrich. How to Survive the Next Crisis: Execute on Service-driven Business Strategies to Make Your Firm Robust. (2013).
• Stadtfeld, Christoph and Geyer-Schulz, Andreas. Analyzing event stream dynamics in two-mode networks: An exploratory analysis of private communication in a question and answer community. Social Networks 33(4), pp.258 - 272 (2011). [URL]
• Hoser, Bettina and Nitschke, Tanja. Questions on Ethics for Research in the Virtually Connected World. Social Networks 32(3), pp.180 - 186 (2010). [URL]
• Kunze, Jonas and Geyer-Schulz, Andreas. ECTS-Notenzuweisung: Pragmatische Kohortenbildung. Qualität in der Wissenschaft 4(1), pp.24 - 28 (2010).
• Franke, Markus and Geyer-Schulz, Andreas. An update algorithm for restricted random walk clustering for dynamic data sets . Advances in Data Analysis and Classification 3(1), pp.63 - 92 (2009). [URL]
• Neumann, Andreas W., Philipp, Marc and Riedel, Felix. RecoDiver: Browsing Behavior-Based Recommendations on Dynamic Graphs. AI Communications 21(2-3), pp.177 - 183 (2008).
• Franke, Markus and Geyer-Schulz, Andreas. Using restricted random walks for library recommendations and knowledge space exploration. International Journal of Pattern Recognition and Artificial Intelligence 21(2), pp.355 - 373 (2007).
• Geyer-Schulz, Andreas and Thede, Anke. Implementation of Hierarchical Authorization For A Web Based Digital Library. Journal of Systemics, Cybernetics and Informatics 5(2), pp.51 - 56 (2007). [URL]
• Hoser, Bettina, Schröder, Jan, Geyer-Schulz, Andreas, Viermetz, Maximilian and Skubacz, Michal. Topic trend detection in newsgroups. Künstliche Intelligenz 3, pp.37 - 40 (2007). [URL]
• Eßer, Anke, Franke, Markus, Kamper, Andreas and Möst, Dominik. Future Power Markets. Wirtschaftsinformatik 49(5), pp.335 - 341 (2007).
• Neumann, Andreas W.. Price Elasticity of Digital Scientific Information -- A Field Experiment. IADIS International Journal on WWW/Internet 5(2), (2007).
• Glenn, Paul and Kummert, Sven. Wie Zusatzleistungen richtig vermarktet werden. IO New Management 75(5), (2007).
• Geyer-Schulz, Andreas and Hoser, Bettina. Eigenspectral Analysis of Hermitian Adjacency Matrices for the Analysis of Group Substructures. The Journal of Mathematical Sociology 29(4), pp.265 - 294 (2005). [URL]
• Thede, Anke, Grebe, Daniela and Hermann, Frederik. Automatisierung des Mädchen-Techniktags. Informatik Forschung und Entwicklung 18(3-4), pp.209 - 211 (2004).
• Geyer-Schulz, Andreas, Neumann, Andreas, Heitmann, Annika and Stroborn, Karsten. Strategic Positioning Options for Scientific Libraries in Markets of Scientific and Technical Information - The Economic Impact of Digitization. Journal of Digital Information 4(2), pp.1 - 17 (2003). [URL]
• Geyer-Schulz, Andreas. Agententechnologie zur Integration von Empfehlungsdiensten in betriebliche Informationssysteme. visIT 1, pp.10 - 11 (2003). [URL]
• Geyer-Schulz, Andreas, Neumann, Andreas and Thede, Anke. An Architecture for Behavior-Based Library Recommender Systems. Information Technology and Libraries 22(4), pp.165 - 174 (2003). [URL]
• Geyer-Schulz, Andreas and Bruhn, Peter. Genetic Programming Over Context-Free Languages with Linear Constraints for the Knapsack Problem. Evolutionary Computation 10(1), pp.51 - 74 (2002). [URL]
• Gaul, Wolfgang, Geyer-Schulz, Andreas, Hahsler, Michael and Schmidt-Thieme, Lars. eMarketing mittels Recommendersystemen. Marketing ZFP - Journal of Research and Management 24, pp.47 - 55 (2002). [URL]
• Geyer-Schulz, Andreas, Hahsler, Michael and Jahn, Maximillian. Educational and Scientific Recommender Systems: Designing the Information Channels of the Virtual University. International Journal of Engineering Education 17(2), pp.153 - 163 (2001). [URL]
• Geyer-Schulz, Andreas, Hahsler, Michael, Jahn, Maximillian and Schneider, G.. myVU: Die personalisierten Dienste der Virtual University. WU Memo 26, pp.34 - 37 (2000).
• Geyer-Schulz, Andreas, Hahsler, Michael and Schneider, G.. Neu in der Virtuellen Universität. WU Memo 19, (1999).
• Geyer-Schulz, Andreas, Hahsler, Michael and Schneider, G.. Virtual University: Der Weg zum wissenschaftlichen Recommendersystem. WU Memo 22, pp.17 - 18 (1999).
• Geyer-Schulz, Andreas, Hahsler, Michael and Schneider, G.. Virtual University. WU Memo 22, pp.14 - 17 (1999).
• Geyer-Schulz, Andreas, Hahsler, Michael and Schneider, G.. Neues Geographisches Informationssystem der VU. WU Memo 24, (1999).
• Geyer-Schulz, Andreas, Hahsler, Michael, Jahn, Maximillian and Schneider, G.. Virtual University: Others also use .... WU Memo 25, (1999).
• Geyer-Schulz, Andreas, Hahsler, Michael and Schneider, G.. The Virtual University and Its Embedded Intelligent Agents. ÖGAI Journal 18(1), pp.14 - 19 (1999). [URL]
• Geyer-Schulz, Andreas, Hahsler, Michael, Bruhn, Peter and Mottl, M.. Genetic Machine Learning and Intelligent Internet Agents. ÖGAI Journal 17(1), pp.18 - 25 (1998).
• Geyer-Schulz, Andreas. Holland Classifier Systems. SIGAPL APL Quote Quad 25(4), pp.43 - 55 (1995). [URL]
• Geyer-Schulz, Andreas. On Learning in a Fuzzy Rule-Based Expert System. Kybernetika 28, pp.33 - 36 (1992).
• Geyer-Schulz, Andreas. Memo. SIGAPL APL Quote Quad 20(2), pp.12 - 27 (1989).

Conference Proceedings

• Schaefer, Cora and Hoser, Bettina. Effect of guest-accounts as hyper nodes on centrality measures in online networks. .
• Schaefer, Cora. An empirical investigation of the motivations on social network sites. .
• Schaefer, Cora and Hoser, Bettina. Die Auswirkungen eines Gästeaccounts auf Zentralitätsindizes von online Netzwerken. .
• Schaefer, Cora. Motivations and usage patterns on social network sites. .
• Milani, Stephanie, Kanervisto, Anssi, Ramanauskas, Karolis, Schulhoff, Sander, Houghton, Brandon, Mohanty, Sharada, Galbraith, Byron, Chen, Ke, Song, Yan, Zhou, Tianze, Yu, Bingquan, Liu, He, Guan, Kai, Hu, Yujing, Lv, Tangjie, Malato, Federico, Leopold, Florian, Raut, Amogh, Hautamäki, Ville, Melnik, Andrew, Ishida, Shu, Henriques, João, Klassert, Robert, Laurito, Walter, Cazzonelli, Lucas, Kulbach, Cedric, Popovic, Nicholas, Schweizer, Marvin, Novoseller, Ellen, Goecks, Vinicius, Waytowich, Nicholas, Watkins, David, Miller, Josh and Shah, Rohin. Towards Solving Fuzzy Tasks with Human Feedback: A Retrospective of the MineRL BASALT 2022 Competition. In Ciccone, Marco, Stolovitzky, Gustavo and Albrecht, Jacob (eds.): Proceedings of the NeurIPS 2022 Competitions Track, PMLR, pp.171 - 188 (2022). [URL]
• Schweigert, Victoria-Anne and Geyer-Schulz, Andreas. How to Motivate a Reviewer? Creating Best Practices to Implement a Successful Relationship Between a Journal and a Reviewer (Conference Paper). In Proceedings of the European Marketing Academy, pp.1 - 11 (2020). [URL]
• Schweigert, Victoria-Anne and Geyer-Schulz, Andreas. The Reviewer Motivation Problem – How to Improve the Relationship with this User Group?. In Proceedings of the European Marketing Academy -- 11th EMAC Regional Conference ``Challenging the status quo in marketing research'', University of Zagreb, Faculty of Economics & Business, pp.239 - 247 (2020).
• Schweigert, Victoria-Anne and Geyer-Schulz, Andreas. The Impact of the General Data Protection Regulation on the Design and Measurement of Marketing Activities: Introducing Permission Marketing and Tracking for Improved Marketing & CRM Compliance with Legal Requirements (Abstract). In Academy of Marketing Conference 2019: 'When you tire of marketing you tire of life'. Academy of Marketing 52nd Annual Conference, Regent's University London, 02.07.2019-04.07.2019. Helensburgh: Academy of Marketing, (2019). [URL]
• Schweigert, Victoria-Anne and Geyer-Schulz, Andreas. Preparations for successful Marketing and CRM Strategies for an Online Scientific Publishing Service: A Structured Way to find Common Mistakes and Create an Appealing Web-Service. In Koenig-Lewis, Nicole (eds.): ”Public Value and Relationship Marketing: Value Co-Creation for Society” Conference Proceedings from the ICRM 2018 (26th International Colloquium on Relationship Marketing), 11-14 September 2018 in Cardiff, UK., Cardiff University, pp.84 - 90 (2018).
• Ball, Fabian, Hummel, Thomas P., Sonnenbichler, Andreas C. and Schweigert, Victoria-Anne. ThesesDB - Single-Source of Information and Workflow Support for Students’ Work (Authors Proof). In Vincenti, Giovanni, Bucciero, Alberto and Vaz de Carvalho, Carlos (eds.): E-Learning, E-Education, and Online Training, Springer International Publishing, pp.1 - 10 (2017).
• Ball, Fabian, Hummel, Thomas P., Sonnenbichler, Andreas C. and Schweigert, Victoria-Anne. ThesesDB -- Single-Source of Information and Workflow Support for Students' Work. In Vincenti, Giovanni, Bucciero, Alberto, Helfert, Markus and Glowatz, Matthias (eds.): E-Learning, E-Education, and Online Training: Third International Conference, eLEOT 2016, Dublin, Ireland, August 31 -- September 2, 2016, Revised Selected Papers, Springer International Publishing, pp.125 - 134 (2017). [URL]
• Burkard, Leon and Geyer-Schulz, Andreas. Collaborative Literature Work in the Research Publication Process: The Cogeneration of Citation Networks as Example. In Wilhelm, Adalbert and Kestler, Wilhelm (eds.): Analysis of Large and Complex Data, Springer, (2016).
• Nentwich, Valentin, Fischer, Nicolai, Sonnenbichler, Andreas C. and Geyer-Schulz, Andreas. Computer Aided Exercise Generation. In Callegari, Christian, Sinderen, Marten van, Sarigiannidis, Panagiotis, Samarati, Pierangela, Cabello, Enrique, Lorenz, Pascal and Obaidat, Mohammad S. (eds.): ICETE 2016 Proceedings of the 13th International Joint Conference on e-Business and Telecommunications, Scitepress, pp.57 - 63 (2016).
• Geyer-Schulz, Andreas. The Problem of Finding Interesting Patterns. In Krolak-.Schwerdt, Sabine and Bömer, Matthias (eds.): European Conference on Data Science (Program, Abstracts, and Draft Notes), University of Luxembourg, (2016).
• Valentin Nentwich, Nicolai Fischer, Andreas C. Sonnenbichler and Andreas Geyer-Schulz. Computer Aided Exercise Generation - A Framework for Human Interaction in the Automated Exercise Generation Process. In Proceedings of the 13th International Joint Conference on e-Business and Telecommunications {(ICETE} 2016) - Volume 2: ICE-B, Lisbon, Portugal, July 26-28, 2016., pp.57 - 63 (2016). [URL]
• Ovelgönne, Michael and Geyer-Schulz, Andreas. An Ensemble Learning Strategy for Graph Clustering . In David A. Bader, Henning Meyerhenke, Peter Sanders and Dorothea Wagner (eds.): Graph Partitioning and Graph Clustering , American Mathematical Society, pp.187 - 205 (2013).
• Burkard, Leon O., Sonnenbichler, Andreas C. and Geyer-Schulz, Andreas. RestContext - A Service Framework for Context Retrieval.. In Mohammad S. Obaidat, Jos{\'e} Luis Sevillano, Zhaoyang Zhang, David A. Marca, Marten van Sinderen, Panagiotis G. Sarigiannidis, Piero Castoldi and Victor Torres-Padrosa (eds.): 10th International Conference on e-Business, Reykjav\'{\i}k, Iceland, 29 -- 31 July, 2013, SciTePress, pp.221 - 232 (2013). [URL]
• Sonnenbichler, Andreas and Bazant, Christopher. Application of a Community Membership Life Cycle Model on Tag-based Communities in Twitter. In Gaul, Wolfgang, Geyer-Schulz, Andreas, Schmidt-Thieme and Kunze, Jonas (eds.): Challenges at the Interface of Data Analysis, Computer Science, and Optimization, Springer, pp.301 - 309 (2012).
• Ovelgönne, Michael and Geyer-Schulz, Andreas. A Comparison of Agglomerative Hierarchical Algorithms for Modularity Clustering. In Gaul, Wolfgang, Geyer-Schulz, Andreas, Schmidt-Thieme and Kunze, Jonas (eds.): Challenges at the Interface of Data Analysis, Computer Science, and Optimization, Springer, pp.225 - 232 (2012). [URL]
• Ovelgönne, Michael and Geyer-Schulz, Andreas. An Ensemble Learning Strategy for Graph Clustering. In David A. Bader, Henning Meyerhenke, Peter Sanders and Dorothea Wagner (eds.): 10th DIMACS Implementation Challenge - Graph Partitioning and Graph Clustering, DIMACS - Center for Discrete Mathematics and Theoretical Computer Science , (2012). [URL]
• Challenges at the Interface of Data Analysis, Computer Science, and Optimization. Gaul, Wolfgang and Geyer-Schulz, Andreas and Schmidt-Thieme and Kunze, Jonas .Springer (2012). [URL]
• Sonnenbichler, Andreas and Geyer-Schulz, Andreas. ADQL: A Flexible Access Definition and Query Language to Define Access Control Models. In Pierangela Samarati (eds.): Proceedings of the International Conference of Security and Cryptography, (2012). [URL]
• Neumann, Andreas W. and Katsiukov, Kiryl. GIRAN: A Dynamic Graph Interface to Neighborhoods of Related Articles. In Gaul, Wolfgang, Geyer-Schulz, Andreas, Schmidt-Thieme and Kunze, Jonas (eds.): Challenges at the Interface of Data Analysis, Computer Science, and Optimization, Springer, pp.271 - 279 (2012).
• Kunze, Jonas and Geyer-Schulz, Andreas. ECTS Grades: Combination of Norm- and Criterion-Referenced Grading. In Gaul, Wolfgang, Geyer-Schulz, Andreas, Schmidt-Thieme and Kunze, Jonas (eds.): Challenges at the Interface of Data Analysis, Computer Science, and Optimization, Springer, pp.557 - 565 (2012). [URL]
• Steinhauser, Martin, Sonnenbichler, Andreas C. and Geyer-Schulz, Andreas. Territorial Safety Networks. In Obaidat, Mohammad S., Sevillano, Jos{é} L. and Filipe, Joaquim (eds.): E-Business and Telecommunications, Springer Berlin Heidelberg, pp.100 - 114 (2012).
• Krempels, Karl-Heinz, Terwelp, Christoph and Sonnenbichler, Andreas C.. Context Aware Document Management Systems. In Second Workshop on Context-Systems Design, Evaluation and Optimisation {(CoSDEO} 2011), (2011).
• Steinhauser, Martin, Sonnenbichler, Andreas Christoph and Geyer-Schulz, Andreas. Supporting Safety Through Social Territorial Networks. In Marca, David (eds.): Proceedings of the International Conference on e-Business, SciTePress, pp.91 - 99 (2011).
• Stadtfeld, Christoph, Geyer-Schulz, Andreas and Allmendinger, Otto. The Influence of Distance, Time, and Communication Network Structures on the Choice of Communication Partners. In IEEE SocialCom 2011: The Third IEEE International Conference on Social Computing, IEEE Press, pp.402 - 409 (2011). [URL]
• Geyer-Schulz, Andreas, Ovelgönne, Michael and Sonnenbichler, Andreas. Getting Help In A Crowd - A Social Emergency Alert Service. In Proceedings of the International Conference on e-Business, INSTICC, pp.207 - 220 (2010). [URL]
• Diplaris, S, Sonnenbichler, Andreas C., Kaczanowski, T, Mylonas, P, Scherp, A, Janik, M, Papadopoulos, S and Kompatsiaris, Y. WeKnowIt: Emerging, Collective Intelligence for Personal, Organisational and Social Use. In Proceedings of the 7th Extended Semantic Web Conference, (2010).
• Ovelgönne, Michael, Sonnenbichler, Andreas C. and Geyer-Schulz, Andreas. Social Emergency Alert Service - A Location-Based Privacy-Aware Personal Safety Service. In Proceedings of the 2010 Fourth International Conference on Next Generation Mobile Applications, Services and Technologies, IEEE Computer Society, pp.84 - 89 (2010). [URL]
• Ovelgönne, Michael, Geyer-Schulz, Andreas and Stein, Martin. Randomized Greedy Modularity Optimization for Group Detection in Huge Social Networks. In SNA-KDD'10: Proceedings of the 4th Workshop on Social Network Mining and Analysis, ACM, pp.1 - 9 (2010). [URL]
• Sonnenbichler, Andreas, Ovelgönne, Michael and Geyer-Schulz, Andreas. Using Social Networks To Break The Bystander Effect. In University of Trento, Italy (eds.): Sunbelt XXX International Social Network Conference, (2010).
• Ovelgönne, Michael and Geyer-Schulz, Andreas. Cluster Cores and Modularity Maximization. In Fan, Wei, Hsu, Wynne, Webb, Geoffrey I., Liu, Bing, Zhang, Chengqi, Gunopulos, Dimitrios and Wu, Xindong (eds.): ICDMW '10. 10th IEEE International Conference on Data Mining Workshops (Sydney, Australia), IEEE Computer Society, pp.1204 - 1213 (2010). [URL]
• Sonnenbichler, Andreas. A Community Membership Life Cycle Model. In University of California, San Diego (eds.): Sunbelt XIX International Social Network Conference, (2009). [URL]
• Neumann, Andreas W. and Geyer-Schulz, Andreas. Applying Small Sample Test Statistics for Behavior-Based Recommendations. In Preisach, Christine, Burkhardt, Hans, Schmidt-Thieme, Lars and Decker, Reinhold (eds.): Data Analysis, Machine Learning, and Applications, Springer, pp.541 - 549 (2008). [URL]
• Franke, Markus, Hoser, Bettina and Schröder, Jan. On the Analysis of Irregular Stock Market Trading Behaviour. In Christine Preisach, Hans Burkhardt , Lars Schmidt-Thieme and Reinhold Decker (eds.): Data Analysis, Machine Learning, and Applications, Springer, pp.355 - 362 (2008).
• Slamka, Christian, Luckner, Stefan, Seemann, Thomas and Schröder, Jan. An Empirical Investigation of the Forecast Accuracy of Play-Money Prediction Markets and Professional Betting Markets. In Proceedings of the 16th European Conference on Information Systems (ECIS), 2008, Galway, Ireland, (2008).
• Franke, Markus and Geyer-Schulz, Andreas. A Method for Analyzing the Asymptotic Behavior of the Walk Process in Restricted Random Walk Cluster Algorithm. In Reinhold Decker and Hans-J. Lenz (eds.): Advances in Data Analysis: Proceedings of the 30th Annual Conference of the German Classification Society (GfKl), Springer, pp.51 - 58 (2007).
• Thede, Anke and Geyer-Schulz, Andreas. Using Shadow Prices To Reveal Personal Preferences In a Two-Stage Assignment Problem. In Operations Research Jahrestagung 2006, (2007).
• Franke, Markus, Kamper, Andreas and Eßer, Anke. Pricing Energy in a Multi-Utility Market. In Reinhold Decker and Hans-J. Lenz (eds.): Advances in Data Analysis: Proceedings of the 30th Annual Conference of the German Classification Society (GfKl), Springer, pp.433 - 440 (2007).
• Schaefer, Cora. Personality in Social Networks. In Reinhold Decker and Hans-J. Lenz (eds.): Advances in Data Analysis: Proceedings of the 30th Annual Conference of the German Classification Society (GfKl), Springer, (2007).
• Hoser, Bettina and Schröder, Jan. Automatic Determination of Clusters. In Karl-Heinz Waldmann, Ulrike Stocker (eds.): Operations Research Proceedings 2006, Springer Berlin Heidelberg, pp.439 - 444 (2007).
• Franke, Markus and Geyer-Schulz, Andreas. A Method for Analyzing the Asymptotic Behavior of the Walk Process in Restricted Random Walk Cluster Algorithm. In Decker, Reinhold and Lenz, Hans-J. (eds.): Advances in Data Analysis, Springer Verlag, pp.51 - 59 (2007). [URL]
• Neumann, Andreas W.. Pricing of Digital Scientific Information. In Piet Kommers (eds.): Proceedings of the IADIS International Conference e-Society, IADIS Press, pp.105 - 112 (2007).
• Neumann, Andreas W.. Motivating and Supporting User Interaction with Recommender Systems. In Proceedings of the 11th European Conference on Research and Advanced Technology for Digital Libraries, Springer, pp.428 - 439 (2007).
• Schröder, Jan, Franke, Markus, Gaertler, Marco and Hoser, Bettina. Introducing Social Network Analysis to Stock Markets. In Sunbelt XXVII International Social Network Conference,, (2007).
• Franke, Markus, Hoser, Bettina and Schröder, Jan. Enlarging personal networks through transitive clustering. In Sunbelt XXVII International Social Network Conference,, (2007).
• Hoser, Bettina, Decker, David and Schröder, Jan. Efficiency of Communication. In Sunbelt XXVII International Social Network Conference,, (2007).
• Anke Eßer, Markus Franke, Andreas Kamper, Dominik Möst and Otto Rentz. Simulation einer Marktplattform für den Handel mit dezentral erzeugter elektrischer Energie. In Proceedings Internationale Energiewirtschaftstagung (CDROM), (2007).
• Brendel, Christian, Nestle, David, Ringelstein, Jan, Eßer, Anke, Möst, Dominik, Rentz, Otto, Franke, Markus and Geyer-Schulz, Andreas. Marktmodell für ein dezentral organisiertes Energiemanagement im elektrischen Verteilnetz - Grundlage für ein internetbasiertes Managementsystem. In Energietechnische Gesellschaft im VDE (eds.): Internationaler ETG Kongreß 2007: Webbasierte Automatisierung in der Energietechnik, VDI Verlag, (2007). [URL]
• Franke, Markus, Geyer-Schulz, Andreas and Neumann, Andreas. Building Recommendations from Random Walks on Library OPAC Usage Data. In Zani, Sergio, Cerioli, Andrea, Riani, Marco and Vichi, Maurizio (eds.): Data Analysis, Classification and the Forward Search, Springer, pp.235 - 246 (2006).
• Franke, Markus, Geyer-Schulz, Andreas and Hoser, Bettina. On the Analysis of Asymmetric Directed Communication Structures in Electronic Election Markets. In Billari, F.C., Fent, Th., Prskawetz, A. and Scheffran, J. (eds.): Agent-Based Computational Modelling. Applications in demography, social, economic and environmental sciences., Physica , pp.37 - 59 (2006). [URL]
• Kunze, Jonas. Design Problems of Complex Economic Experiments. In Spiliopoulou, Myra, Kruse, Rudolf, Nürnberger, Andreas, Borgelt, C. and Gaul, Wolfgang (eds.): From Data and Information Analysis to Knowledge Engineering, Springer, pp.494 - 501 (2006). [URL]
• Hoser, Bettina, Hotho, Andreas, Jäschke, Robert, Schmitz, Christoph and Stumme, Gerd. Semantic Network Analysis of Ontologies. In York Sure and John Domingue (eds.): The Semantic Web, Springer Berlin / Heidelberg, pp.514 - 529 (2006).
• Geyer-Schulz, Andreas and Thede, Anke. Implementation of Hierarchical Authorization For A Web Based Digital Library. In Zinn, Dale, Chu, Hsing-Wei, Savoie, Michael J. and Srivastava, Smriti (eds.): The 3rd International Conference on Cybernetics and Information Technologies, Systems and Applications, (2006).
• Hoser, Bettina and Bierhance, Thomas. Finding Cliques in directed weighted graphs using complex hermitian adjacency matrices. In Proceedings of the 30th Annual COnference of the German Classification Society, Springer, pp.83 - 90 (2006).
• Schaefer, Cora. Personality Influences on Social Networks. In European Association of Personality Psychology (eds.): Proceedings of the 13th European Conference on Personality, (2006).
• Schaefer, Cora. Kommunikationsstrukturen im Internet. In DGPs (eds.): Proceedings of the 45th Congress of the German Association of Psychology, DGPs2006, (2006).
• Schaefer, Cora. Effects of a groupware in a Virtual Consulting Firm. In German Society for Online Research (eds.): Proceedings of the German Online Reserach Conference, (2006).
• Kunze, Jonas and Gündüz, Yalin. Decision Patterns and Information Availability in the Beer Distribution Game. In Proceedings of the 24th International System Dynamics Conference, (2006). [URL]
• Schepperle, Heiko, Barz, Christiane, Böhm, Klemens, Kunze, Jonas, Laborde, Carolina M., Seifert, Stefan and Stockmar, Kendra. Auction Mechanisms for Traffic Management. In Seifert, Stefan and Weinhardt, Christof (eds.): Group Decision and Negotiation (GDN) 2006, Universitätsverlag Karlsruhe, pp.214 - 217 (2006).
• Franke, Markus and Thede, Anke. Clustering of Large Document Sets with Restricted Random Walks on Usage Histories. In Weihs, Claus and Gaul, Wolfgang (eds.): Classification - the Ubiquitous Challenge, Springer, pp.402 - 409 (2005).
• Bettina Hoser, Andreas Geyer-Schulz. Complete decomposition of communication patterns social networks. In Deutsche Physikalische Gesellschaft (eds.): Verhandlungen der Deutschen Physikalischen Gesellschaft, (2005).
• Franke, Markus, Rolli, Daniel, Kamper, Andreas, Dietrich, Antje, Geyer-Schulz, Andreas, Lockemann, Peter, Schmeck, Hartmut and Weinhardt, Christof. Impacts of Distributed Generation from Virtual Power Plants. In Proceedings of the 11th Annual International Sustainable Development Research Conference, pp.1 - 12 (2005).
• Franke, Markus and Geyer-Schulz, Andreas. Using Restricted Random Walks for Library Recommendations. In Gulden Uchyigit (eds.): Web Personalization, Recommender Systems and Intelligent User Interfaces, INSTICC Press, pp.107 - 115 (2005).
• Franke, Markus, Geyer-Schulz, Andreas and Hoser, Bettina. Analyzing Trading Behavior in Transaction Data of Electronic Election Markets. In Baier, Daniel, Decker, Reinhold and Schmidt-Thieme, Lars (eds.): Data Analysis and Decision Support, Springer, pp.222 - 230 (2005). [URL]
• Hoser, Bettina, Blume, Michael, Schröder, Jan and Franke, Markus. CPS - Company Positioning System. In Stasko, John and Ward, Matt (eds.): Proceedings, IEEE Operations Center, pp.59 - 60 (2005).
• Proceedings of the First Workshop on Semantic Network Analysis . Gerd Stumme and Bettina Hoser and Christoph Schmitz and Harith Alani .CEUR Proceedings (2005). [URL]
• Geyer-Schulz, Andreas and Thede, Anke. A Two-Phase Grammar-Based Genetic Algorithm for a Workshop Scheduling Problem. In Baier, Daniel and Wernecke, Klaus-Dieter (eds.): Innovations in Classification, Data Science, and Information Systems, Springer-Verlag, pp.535 - 543 (2004). [URL]
• Hopmann, Jörg and Thede, Anke. Applicability of Customer Churn Forecasts in a Non-Contractual Setting. In Baier, Daniel and Wernecke, Klaus-Dieter (eds.): Innovations in Classification, Data Science, and Information Systems, Springer-Verlag, pp.330 - 337 (2004).
• Bettina Hoser, Andreas Geyer-Schulz. Eigen System Analysis of Hermitian Adjacency Matrices of Perturbed Star Graphs. In Center for Methodology and Informatics, Institute of Social Siences at Faculty of Social Siences, University of Ljubliana, Slovenia (eds.): Sunbelt XXIV International Social Network Conference, Birografika BORI, d.o.o., Ljubliana, (2004).
• Schröder, Jan, Hoser, Bettina and Geyer-Schulz, Andreas. Eigen System Analysis of Hermitian Adjacency Matrices as a Tool to Explain Group and Subgroup Behavior over Time. In Center for Methodology and Informatics, Institute of Social Siences at Faculty of Social Siences, University of Ljubliana, Slovenia (eds.): Sunbelt XXIV International Social Network Conference, Birografika BORI, d.o.o., Ljubliana, (2004).
• Gantner, Julian, Geyer-Schulz, Andreas and Thede, Anke. A Single Sign-On Protocol for Distributed Web Applications based on Standard Internet Mechanisms. In Ascenso, João, Belo, Carlos, Casiu, Luminita, Saramago, Mónica and Coelhas, Helder (eds.): 1st International Conference on E-business and Telecommunication Networks, INSTICC Press, pp.191 - 198 (2004).
• Franke, Markus and Geyer-Schulz, Andreas. Automated Indexing with Restricted Random Walks on Large Document Sets . In Heery, Rachel and Lyon, Liz (eds.): Research and Advanced Technology for Digital Libraries, Springer, pp.232 - 243 (2004).
• Geyer-Schulz, Andreas and Hahsler, Michael. Evaluation of Recommender Algorithms for an Internet Information Broker based on Simple Association-Rules and on Repeat-Buying Theory. In Zaiane, Osmar R., Srivastava, Jaideep, Spiliopoulou, Myra and Masand, Brij (eds.): WEBKDD 2002, Springer, (2003). [URL]
• Böhm, Walter, Geyer-Schulz, Andreas, Hahsler, Michael and Jahn, Maximilian. Repeat-buying Theory and its Application for Recommender Services. In Opitz, Otto and Schwaiger, Manfred (eds.): Exploratory Data Analysis in Empirical Research, Springer-Verlag, pp.229 - 239 (2003). [URL]
• Geyer-Schulz, Andreas, Hahsler, Michael, Neumann, Andreas and Thede, Anke. An Integration Strategy for Distributed Recommender Services in Legacy Library Systems. In Schader, Martin, Gaul, Wolfgang and Vichi, Maurizio (eds.): Between Data Science and Applied Data Analysis, Springer-Verlag, pp.412 - 420 (2003). [URL]
• Geyer-Schulz, Andreas, Hahsler, Michael, Neumann, Andreas and Thede, Anke. Behavior-Based Recommender Systems as Value-Added Services for Scientific Libraries. In Bozdogan, Hamparsum (eds.): Statistical Data Mining & Knowledge Discovery, Chapman & Hall / CRC, pp.433 - 454 (2003). [URL]
• Geyer-Schulz, Andreas, Neumann, Andreas and Thede, Anke. Others also use: A Robust Recommender System for Scientific Libraries. In Koch, Traugott and Solvberg, Ingeborg Torvik (eds.): Research and Advanced Technology for Digital Libraries , Springer, pp.113 - 125 (2003).
• Hoser, Bettina and Geyer-Schulz, Andreas. Use of Hermitian matrices in the analysis of newsgroups (abstract). In Deutsche Physikalische Gesellschaft (eds.): Verhandlungen der Deutschen Physikalischen Gesellschaft, Physik-Verlag GmbH, (2003).
• Geyer-Schulz, Andreas, Hahsler, Michael, Neumann, Andreas and Thede, Anke. Recommenderdienste für wissenschaftliche Bibliotheken und Bibliotheksverbünde. In Geyer-Schulz, Andreas and Taudes, Alfred (eds.): Informationswirtschaft, Köllen Druck+Verlag GmbH, Bonn, pp.43 - 57 (2003). [URL]
• Informationswirtschaft. Geyer-Schulz, Andreas and Taudes, Alfred .Köllen Druck+Verlag GmbH, Bonn (2003).
• Geyer-Schulz, Andreas, Hahsler, Michael and Thede, Anke. Comparing Simple Association-Rules and Repeat-Buying Based Recommender Systems in a B2B Environment. In Martin Schader, Wolfgang Gaul and Maurizio Vichi (eds.): Between Data Science And Applied Data Analysis, Springer-Verlag, pp.421 - 429 (2003).
• Geyer-Schulz, Andreas, Hahsler, Michael and Jahn, Maximilian. Recommendations for Virtual Universities from Observed User Behavior. In Wolfgang Gaul and Gunter Ritter (eds.): Classification, Automation, and New Media, Springer-Verlag, pp.273 - 280 (2002). [URL]
• Neumann, Andreas, Heitmann, Annika and Stroborn, Karsten. Auswirkungen der Digitalisierung auf Fachinformationsmärkte am Beispiel kostenpflichtiger Dienste hybrider Bibliotheken. In Klaus P. Jantke, Wolfgang S. Wittig and Joerg Herrmann (eds.): Von e-Learning bis e-Payment, Akademischen Verlagsgesellschaft, pp.365 - 376 (2002).
• Geyer-Schulz, Andreas and Hahsler, Michael. Software Reuse with Analysis Patterns. In Jack D. Becker and G. W. K. Willis (eds.): Proceedings of the 8th Americas Conference on Information Systems (AMCIS 2002), pp.1156 - 1165 (2002). [URL]
• Geyer-Schulz, Andreas, Hahsler, Michael and Jahn, Maximillian. A Customer Purchase Incidence Model Applied to Recommender Services. In Kohavi, Ron, Masand, Brij M., Spiliopoulou, Myra and Srivastava, Jaideep (eds.): WEBKDD 2001, Springer-Verlag, pp.25 - 47 (2002). [URL]
• Thede, Anke, Schmidt, Albrecht and Merz, Christian. Integration of Goods Delivery Supervision into E-Commerce Supply Chain. In Ludger Fiege, Gero Mühl and Uwe Wilhelm (eds.): Electronic Commerce, Second International Workshop, Springer Verlag, Berlin, pp.206 - 218 (2001).
• Thede, Anke, Schmidt, Albrecht and Merz, Christian. Integration von Transportdaten in den E-Commerce Workflow. In K. Bauknecht, W. Brauer and Th. Mück (eds.): Informatik 2001, Oestereichische Computer Gesellschaft, pp.865 - 870 (2001).
• Geyer-Schulz, Andreas, Hahsler, Michael and Jahn, Maximilian. Wissenschaftliche Recommendersysteme in Virtuellen Universitäten. In H.-J. Appelrath, R. Beyer, U. Marquardt, H.C. Mayr and C. Steinberger (eds.): Symposium Unternehmen Hochschule, pp.101 - 114 (2001). [URL]
• Geyer-Schulz, Andreas, Hahsler, Michael and Jahn, Maximilian. myVU. In W. Gaul, O. Opitz and M. Schader (eds.): Data Analysis, Springer, pp.447 - 447 (2000). [URL]
• Geyer-Schulz, Andreas and Hahsler, Michael. Automatic Labelling of References for Internet Information Systems. In R. Decker and W. Gaul (eds.): Classification and Information Processing at the Turn of the Millenium, Springer, pp.451 - 459 (2000). [URL]
• Geyer-Schulz, Andreas, Hahsler, Michael and Schneider, Georg. The Virtual University as a Network Economy. In Heinrich C. Mayer, Claudia Steinberger, Hans-Jürgen Appelrath and Uwe Marquardt (eds.): Unternehmen Hochschule '99, Informatik'99. Workshop-Unterlagen, GI, pp.75 - 86 (1999).
• Geyer-Schulz, Andreas. The Next 700 Programming Languages for Genetic Programming. In Koza, John, Deb, Kalyanmoy, Dorigo, Marco, Fogel, David B., Garzon, Max, Iba, Hitoshi and Riolo, Rick L. (eds.): Genetic Programming 1997, Morgan Kaufmann Publishers, pp.128 - 136 (1997).
• Geyer-Schulz, A.. Compound Derivations in Fuzzy Genetic Programming. In Smith, Michael H. , Lee, Michael A. , Keller, Jim and Yen, John (eds.): 1996 Biennial Conference of the North American Fuzzy Information Processing Society, IEEE Service Center, pp.510 - 514 (1996).
• Geyer-Schulz, A.. Fuzzy Genetic Programming and Dynamic Decision Making. In William R. Wells and Ashok Iyer (eds.): Proceedings of the Eleventh International Conference on Systems Engineering, Howard R. Hughes College of Engineering, pp.686 - 691 (1996).
• Böhm, W. and Geyer-Schulz, A.. Exact Uniform Initialization for Genetic Programming. In Belew, R. and Vose, M. (eds.): Proceedings Foundations of Genetic Algorithms Workshop (FOGA'4),, International Society of Genetic Algorithms, pp.255 - 269 (1996). [URL]
• Geyer-Schulz, Andreas. Speeding Up Genetic Machine Learning. In Zimmermann, H.-J. (eds.): First European Congress on Fuzzy and Intelligent Technologies, EUFIT'93 (Vol. 2), Verlag der Augustinus Buchhandlung, pp.1083 - 1089 (1993).
• Geyer-Schulz, A.. Fuzzy Classifier Systems. In R. Lowen and M. Roubens (eds.): Abstracts of the 4th IFSA World Conference IFSA'91: Computer, Management and Systems Science, IFSA, pp.90 - 94 (1991). [URL]
• Geyer, Alois, Geyer-Schulz, Andreas and Taudes, Alfred. A Fuzzy Set Based Method for Identifying ARIMA-Models. In Wille, Rudolf (eds.): Klassifikation und Ordnung.12. Jahrestagung der Gesellschaft für Klassifikation e.V., Darmstadt, 1988, Indeks Verlag, pp.282 - 288 (1989).
• Janko, Wolfgang H., Geyer-Schulz, Andreas and Taudes, Alfred. Entscheidungsunterstützungssysteme zur Kreditbewertung auf der Basis der Theorie der unscharfen Mengen. In Spremann, Klaus and Zur, Eberhard (eds.): Informationstechnologie und strategische Führung, Gabler, pp.275 - 289 (1989).
• Geyer, Alois, Geyer-Schulz, Andreas and Taudes, Alfred. Eine Entwicklungsumgebung für Expertensysteme zur Zeitreihenanalyse. In Pressmar, D. , Jäger, K. E., Krallmann, H. , Schellhaas, H. and Streitferdt, L. (eds.): Operations Research Proceedings, Berlin, 1988. Vorträge der 17. Jahrestagung, Springer Verlag, pp.25 - 30 (1989).
• Geyer-Schulz, Andreas. Object-Oriented Techniques in Fuzzy Rule-Based Expert Systems. In SEAS (eds.): Proceedings of the SEAS Anniversary Meeting 1989, SHARE European Association, pp.1797 - 1806 (1989).
• Geyer, Alois, Geyer-Schulz, Andreas and Taudes, Alfred. An Expert System for Time-Series Analysis. In Wolfgang H. Janko (eds.): Statistik, Informatik und Ökonomie, Springer-Verlag, pp.55 - 70 (1988).
• Geyer-Schulz, Andreas. Fuzzy Rule-Based Expert Systems. In Kraemer, James R. and Berry, Paul C. (eds.): APL Techniques in Expert Systems, ACM SIGAPL, pp.1 - 70 (1988).
• Geyer-Schulz, Andreas. A Frame for Reasoning. In Kacprzyk, Janusz and Straszak, Andrzej (eds.): First Joint IFSA-EC and Euro-WG Workshop on Progress in Fuzzy Sets in Europe, Polska Akademia Nauk, pp.90 - 100 (1986).

Technical Reports

• Geyer-Schulz, Andreas. xega: Extended Evolutionary and Genetic Algorithms. Technical Report IISM, KIT (2024). [URL]
• Geyer-Schulz, Andreas. xegaBNF: Compile a Backus-Naur Form Specification into an R Grammar Object. Technical Report IISM, KIT (2024). [URL]
• Geyer-Schulz, Andreas. xegaSelectGene: Selection of Genes and Gene Representation Independent Functions. Technical Report IISM, KIT (2024).
• Geyer-Schulz, Andreas. xegaDerivationTrees: Generating and Manipulating Derivation Trees. Technical Report IISM, KIT (2024). [URL]
• Geyer-Schulz, Andreas. xegaGaGene: Binary Gene Operations for Genetic Algorithms. Technical Report IISM, KIT (2024).
• Geyer-Schulz, Andreas. xegaDfGene: Gene Operations for Real-Coded Genes. Technical Report IISM, KIT (2024). [URL]
• Geyer-Schulz, Andreas. xegaPermGene: Operations on Permutation Genes. Technical Report IISM, KIT (2024). [URL]
• Geyer-Schulz, Andreas. xegaGpGene: Genetic Operations for Grammar-Based Genetic Programming. Technical Report IISM, KIT (2024). [URL]
• Geyer-Schulz, Andreas. xegaGeGene: Grammatical Evolution. Technical Report IISM, KIT (2024). [URL]
• Geyer-Schulz, Andreas. xegaPopulation: Genetic Population Level Functions. Technical Report IISM, KIT (2024). [URL]
• Ball, Fabian and Geyer-Schulz, Andreas. R-Package PartitionComparison. Technical Report Information Services and Electronic Markets, Institute of Information Systems and Marketing, Karlsruhe Institute of Technology (2017). [URL]
• Geyer-Schulz, Andreas and Ovelgönne, . Vermutungen oder: Wie man die DIMACS Modularity Clustering Challenge gewinnt. Technical Report Informationsdienste und elektronische Märkte, KIT (2012).
• Geyer-Schulz, Andreas, Meyer-Waarden, Lars, Kunze, Jonas and Sonnenbichler, Andreas. Blue Collar Science: The Student as a (Marketing) Scientist . Technical Report Informationsdienste und elektronische Märkte, KIT (2012).
• Sonnenbichler, Andreas, Ovelgönne, Michael, Schwagereit, Felix and Giannakidou, Eirini. Implementation of Service Modules for Cross-Usage Of Intelligence. Technical Report Karlsruhe Institute of Technology (2011).
• Hirsch, Alexander and Kunze, Jonas. GfKl Conference Proceedings: Notes on Typesetting the Abstract Volume. Technical Report Lehrstuhl für Informationsdienste und Elektronische Märkte, Institut für Informationswirtschaft und -management, KIT (2011).
• Kunze, Jonas and Geyer-Schulz, Andreas. ECTS-Noten: Verfahren zur Kohortenberechnung. Technical Report Lehrstuhl für Informationsdienste und Elektronische Märkte, Institut für Informationswirtschaft und -management, KIT (2010).
• Sonnenbichler, Andreas C.. A Community Membership Life Cycle Model. Technical Report Karlsruhe Institute of Technology (2010). [URL]
• Ovelgönne, Michael, Hoser, Bettina and Sonnenbichler, Andreas. Community Analysis Tool and Evaluation. Technical Report Karlsruhe Institute of Technology (2009).
• Lanfranchi, Dr. V., Scherp, Dr. Ansgar, Kontopoulos, Costis, Slingsby, S., Janik, Maciej, Sonnenbichler, Andreas, Geyer-Schulz, Prof. Dr. Andreas, Ovelgönne, Michael and Kompatsiaris, Dr. Yiannis. D7.2 Emergency response and consumers’ social group case study design and specification. Technical Report Telefónica I+D (TID) (2009).
• Ovelgönne, Michael and Stein, Martin. D4.1.1 Initial community analysis tool. Technical Report Karlsruhe Institute of Technology (2009).
• Bakaimis, Byron, Garcia, Lluis, Whiterwam, Peter, Slingsby , Sheila, Kompatsiaris, Yiannis , Lanfranchi, Vitaveska , Scherp, Ansgar , Hoser, Bettina and Cuadrado, Ana Flores. D8.3.1 Initial Exploitation Plan. Technical Report Telefónica I+D (TID) (2009).
• Sonnenbichler, Andreas and Schwagereit, Felix. D4.2 Prototype of community management platform. Technical Report Karlsruhe Institute of Technology (KIT) (2009).
• Ovelgönne, Michael and Geyer-Schulz, Prof. Dr. Andreas. D3.2 Report on methods and tools for user feedback analysis. Technical Report Karlsruhe Institute of Technology (KIT) (2009).
• Ovelgönne, Michael, Hoser, Bettina and Sonnenbichler, Andreas. D4.1.2 Community Analysis Tool and Evaluation (public version). Technical Report Karlsruhe Institute of Technology (KIT) (2009).
• Ovelgönne, Michael, Hoser, Bettina and Sonnenbichler, Andreas. D4.1.2 Community Analysis Tool and Evaluation (confidential version). Technical Report Karlsruhe Institute of Technology (KIT) (2009).
• Preibusch, Sören, Hoser, Bettina, Gürses, Seda and Berendt, Bettina. Ubiquitous social networks: opportunities and challenges for privacy-aware user modelling. Technical Report DIW Berlin (2007). [URL]
• Hoser, Bettina and Geyer-Schulz, Andreas. Use of SNA Methods in technical environments, e.g. controller networks. Technical Report Universität Karlsruhe (TH) (2007).
• Rentz, Otto, Eßer, Anke, Möst, Dominik, Geyer-Schulz, Andreas, Franke, Markus, Schmeck, Hartmut and Kamper, Andreas. Analyse der Auswirkungen von Strompreissignalen auf das Lastverhalten ausgewählter Verbraucher. Technical Report Universität Karlsruhe (TH) (2006).
• Hoser, Bettina and Geyer-Schulz, Andreas. Follow-Up Report of the Project: Eigensystem Analysis of Newsgroups. Technical Report Universität Karlsruhe (TH) (2006).
• Geyer-Schulz, Andreas and Hahsler, Michael. Pinboards and Virtual Libraries. Technical Report Institut für Informationsverarbeitung und -wirtschaft, Wirtschaftsuniverität Wien (2001).

PhD Thesis

• Schweigert, Victoria-Anne. Ganzheitliches Wissenschaftsmarketing: Management-, CRM- und Marketing-Strategien für wissenschaftliche Journale und Vereine. (2021).
• Ball, Fabian. Impact of Symmetries in Graph Clustering. (2019). [URL]
• Neumann, Andreas W.. Recommender Systems for Scientific and Technical Information Providers. (2008).
• Schröder, Jan. Manipulations in Prediction Markets - Analysis of Trading Behaviour not Conforming with Trading Regulations. (2008).
• Franke, Markus. An Update Algorithm for Restricted Random Walk Clusters. (2007).
• Thede, Anke. Ein Workshopzuteilungsproblem als zweistufige Auktion zur Enthüllung privater Präferenzen. (2006).
• Hoser, Bettina. Analysis of Asymmetric Communication Patterns in Computer Mediated Communication Environments. (2005). [URL]

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