Selected Recent Activities / Ausgewählte Neuere Aktivitäten

Member of Editorial Boards /

Mitglied von Herausgebergremien

"Advances in Data Analysis and Classification", Springer, Member of Board of Managing Editors.

"Informationstechnologie und Ökonomie" (Information Technology and Economics), Peter Lang Verlag, Member of Board of Managing Editors.

"Journal of Classification", Springer, Member of Editorial Board.

"Studies in Classification, Data Analysis, and Knowledge Organization", Springer, Member of Board of Managing  Editors.

Proceedings

"German-Japanese Interchange of Data Analysis Results", Proceedings of Two German-Japanese Symposia, Karlsruhe and Kyoto, Studies in Classification, Data Analysis, and Knowledge Organization, Springer, 2014 (Edited together with A. Geyer-Schulz, Y. Baba, A. Okada).Wolfgang Gaul

"Challenges at the Interface of Data Analysis, Computer Science, and Optimization", GfKl 34, Karlsruhe, 2010, Studies in Classification, Data Analysis, and Knowledge Organization, Springer, Berlin-Heidelberg, 2012 (Edited together with A. Geyer-Schulz, L. Schmidt-Thieme, J. Kunze).Wolfgang Gaul

"The Entrepreneurship - Innovation - Marketing Interface", 3rd Symposium, Cottbus, 2009, Swiridoff, 2010 (Edited with D. Baier, A. Rese, R. Würth).Wolfgang Gaul

"Cooperation in Classification and Data Analysis" Proceedings of Two German-Japanese Workshops, Tokyo and Berlin, Studies in Classification, Data Analysis, and Knowledge Organization, Springer, Berlin-Heidelberg, 2009 (Edited together with A. Okada, T. Imaizumi, H.H. Bock).Wolfgang Gaul

"The Entrepreneurship - Innovation - Marketing Interface", 2nd Symposium, Karlsruhe 2005, Swiridoff, 2007 (Edited together with R. Würth).Wolfgang Gaul

"From Data and Information Analysis to Knowledge Engineering", GfKl 29, Magdeburg, 2005, Studies in Classification, Data Analysis, and Knowledge Organization, Springer, Berlin-Heidelberg, 2006 (Edited together with M. Spiliopoulou, R. Kruse, Ch. Borgelt, A. Nürnberger).Wolfgang Gaul

"The Entrepreneurship - Innovation - Marketing Interface", Proceedings of the 1st Symposium, Karlsruhe, 2003, Swiridoff, 2005 (Edited together with R. Würth, V. Jung).Wolfgang Gaul

"Classification - the Ubiquitous Challenge", GfKl 28, Dortmund, 2004, Studies in Classification, Data Analysis, and Knowledge Organization, Springer, Berlin-Heidelberg, 2005 (Edited together with C. Weihs).W. Gaul

"Classification, Clustering, and Data Mining Applications", IFCS-Conference, Chicago, Studies in Classification, Data Analysis, and Knowledge Organization, Springer, 2004 (Edited together with D. Banks, L. House, F.R. Morris, P. Arabie).Wolfgang Gaul

"Between Data Science and Applied Data Analysis", Studies in Classification, Data Analysis, and Knowledge Organization, Springer, 2003 (Edited together with M. Schader, M. Vichi).Wolfgang Gaul

Articles

"Evaluation of the Evolution of Relationships between Topics over Time", accepted in Advances in Data Analysis and Classification, online available since 2016 (with D. Vincent).Wolfgang Gaul

"Airline Fleet Assignment with Consideration of Aspects from Network Revenue Management", Discussion Paper, 2014 (with Chr. Winkler).Wolfgang Gaul

"Class-Dependent Strategies in Airline Network Revenue Management Incorporating Flexible Products and Overbooking", Discussion Paper, 2013 (with Ch. Winkler).Wolfgang Gaul

"Community Structure Discovery in Directed Graphs by Asymmetric Clustering", Behaviormetrika, 40, No. 1, 2013, 85-99 (with R. Klages, A. Okada).   Gaul

"A Hierarchical Clustering Approach to Modularity Maximization", In: Studies in Classification, Data Analysis, and Knowledge Organization, Springer, 2013, 79-86 (with R. Klages).Wolfgang Gaul

"An Approach for Topic Trend Detection", In: Studies in Classification, Data Analysis, and Knowledge Organization, Springer, 2013, 347-354 (with D. Vincent).Wolfgang Gaul

"Optimal Nework Revenue Management Decisions Including Flexible Demand Data and Overbooking", In: Studies in Classification, Data Analysis, and Knowledge Organization, Springer, 2013, 449-456 (with Chr. Winkler).Wolfgang Gaul

"A Note on Consistency Improvements of AHP Paired Comparison Data", Adv Data Anal Classif, 6, 2012, 289-302 (with D. Gastes).Wolfgang Gaul

"The Consistency Adjustment Problem of AHP Pairwise Comparison Matrices", In: Diamantopoulos, A. et al. (Eds.), Quantitative Marketing and Marketing Management, Springer Gabler, 2012, 51-62 (with D. Gastes).

"Web Page Importance Ranking", Adv Data Anal Classif, 5, 2011, 113-128.Wolfgang Gaul

"Opportunity Recognition im Rahmen eines holistischen Lösungsansatzes für Entwicklungsstrategien von Unternehmen: Möglichkeiten und Grenzen der Anwendung", In: The Entrepreneurship - Innovation - Marketing Interface, Swiridoff Verlag, Künzelsau, 2010, 277-287 (with G. Janssen).

"Gestaltung offener Innovationsstrukturen als Schlüssel zu mehr Innovationserfolg", In: The Entrepreneurship - Innovation - Marketing Interface, Swiridoff Verlag, Künzelsau, 2010, 185-193 (with D. Gastes). 

"A Demand Learning Data Based Approach to Optimize Revenues of a Retail Chain", In: H. Locarek-Jung, C. Weihs, (Eds.), Proceedings 11th Conference of the International Federation of Classification Societies (IFCS). Springer, S 693-700 (with A. D. Azizi).

"Missing Values and the Consistency Problem Concerning AHP Data", In: H. Locarek-Jung, C. Weihs, (Eds.), Proceedings 11th Conference of the International Federation of Classification Societies (IFCS). Springer, S 693-700 (with D. Gastes).

"Simulations- und Optimierungsrechnungen auf Basis der Conjointanalyse", In: Conjoint Analyse: Methoden - Anwendungen - Praxisbeispiele, Springer, 2009, 163-182 (with D. Baier).

"Feedback Options for a Personal News RecommendationTool", In: Cooperation in Classification and Data Analysis, Studies in Classification, Data Analysis, and Knowledge Organization, Springer, 2009, 91-98 (with C. Bomhardt).

"Data Analysis and Operations Research", In: Selected Contributions in Data Analysis and Classification, Studies in Classification, Data Analysis and Knowledge Organization, Springer, Berlin-Heidelberg, 2007, 357-366.

"News Rec, a Personal Recommendatin System for News Websites", In: Classification - the Ubiquitous Challenge, Studies in Classification, Data Analysis, and Knowledge Organization, Springer, 2005, 394-401 (wit Chr. Bomhardt). 

"Fuzzy Two-mode Clustering vs. Collaborative Filtering", In: Classification - the Ubiquitous Challenge, Studies in Classification, Data Analysis, and Knowledge Organization, Springer, 2005, 410-417 (with V. Schlecht).

"Analysis of Recommender System Usage by Multidimensional Scaling", In: Classification - the Ubiquitous Challenge, Studies in Classification, Data Analysis, and Knowledge Organization, Springer, 2005, 426-433 (with P. Thoma).

"Challenges concerning Web Data Mining", In: Comstat 2006, Physica Verlag, 2006, 403-416.

"Web Mining and Online Visibility", In: Classification - the Ubiquitous Challenge, Studies in Classification, Data Analysis, and Knowledge Organization, Springer, 2005, 418-425 (with N. Schmidt-Mänz).

"Estimating Reservation Prices for Product Bundles Based on Paired Comparison Data", In: Classification - the Ubiquitous Challenge, Studies in Classification, Data Analysis, and Knowledge Organization, Springer, 2005, 577-584 (with B. Stauß).

"Kundenprogramme: Richtig kombiniert, können sie den Erfolg beeinflussen", In: Absatzwirtschaft 4, 2003, 48-51 (with M. Volkmann).

"Market Research and the Rise of the Web: The Challenge", In: Wind, Y. et al. (Eds.), Marketing Research and Modeling: Progress and Prospects, Springer Science + Business Media, New York, 2004, 103-113.

"Visualizing Recommender Systems via Multidimensional Scaling", Selected Papers of the International Conference on Operations Research, OR 2003, Heidelberg, 189-196 (with P. Thoma, L. Schmidt-Thieme, S. van den Bergh).

"Market Simulation Using a Probabilistic Ideal Vector Model for Conjoint Data", In: Conjoint Measurement: Methods and Applications, Springer, 2003, 123-146 (with D. Baier).

"Web Controlling und Recommendersysteme", In: Hippner, H., Merzenich, K.D. (Hrsg.): Handbuch Web Mining im Marketing, Vieweg, 2002, 234-247 (with L. Schmidt-Thieme).

Talks / Vorträge

"Market Research and the Rise of the Web: The Challenge", (Invited Talk), Wharton, USA, 2002.

"Mathematical Models in Marketing", (Invited Talk), University of Tartu, 2002.

"The Web Mining Challenge to eBusiness", (Invited Talk), University of Tartu, 2002.

"The Recommender System's Challenge to Market Research at the Intersection of eMarketing and Web Mining", CLADAC, Bologna, 2003.

"Web Robot Detection - Preprocessing Web Logfileds for Robot Detection", CLADAC, Bologna, 2003 (with. Ch. Bomhardt, L. Schmidt-Thieme).

"The Recommender System's Challenge to Market Research at the Intersection of eMarketing and Web Mining", (Invited Talk), Dentsu, Tokyo, 2003.

"Web Mining and User Navigational Behavior in the Internet" (Invited Talk), University of Kyoto, 2003.

"Web Mining and its Interrelations to Classification, Data Mining, and (e)Market Research", IFCS-Conference, Chicago, 2004. 

"How Recommender Systems Support Website Operators and Visitors", (Invited Talk), Ritsumeikan University, Kyoto, 2003. 

"OR Based Modeling and Measuring of Market Related Situations", (Semi Plenary Talk), GOR Symposium, Tilburg, 2004. 

"Web Mining I" and "Web Mining II", (Tutorial), University of Pavia, 2004.

"Web Minig at the Intersection of Data Mining, Market Research, and Marketing", (Invited Talk), University of Pavia, 2004.

"Von der automatischen Klassifikation zum "Mining" von Web-Informationen", (Eingeladener Vortrag), Universität Aachen, 2005.

"DATARtext - a Combination of Decision Trees and Association Rules for Text Classification", CLADAG, Parma, 2005. 

"Feedback Options for a Personal News Recommendation Tool", German-Japanese Workshop, Berlin, 2006 (with Ch. Bomhardt). 

"Marketing and Clustering", (Tutorial), Summer School on Clustering, Portugal, 2006 (together with P. Bryant). 

"Marketing Based on Data Analysis and Operations Research", French-German Conference, Cergy-Pontoise, 2007.

"Data Analysis and Operations Research", (Eingeladener Vortrag), Tokyo, 2007.

"Data Analysis and Operations Research", (Eingeladener Vortrag), University of Sapporo, 2007.

"Marketing and the Web", (Eingeladener Vortrag), Vision 2K, Karlsruhe, 2007.

"Marketing and Web Mining", (Talk within Invited Session), Shanghai, 2008.

"Web Page Importance Ranking", (Invited Talk), Tokyo, 2009.

"Data Analysis for Web Intelligence Enhancement", (Invited Talk), Tokyo, 2009.

"Web Page Importance Ranking", (Talk within Invited Session), CLADAC- GfKl Symposium, Florence, Italy, 2010. 

"Data Analysis for Web Intelligence Enhancement", (Invited Talk), University of Mannheim, 2010.

"Data Analysis for Web Intelligence Enhancement", (Plenary Talk), Portuguese Classification Society, Lissabon, 2010. 

"Web Information Search via m-Clicks-Ahead Recommendations", (Invited Talk), Polish-German Workshop, Krakau, 2011.

"Where Data Analysis Meets Graph Theory", (Opening Plenary Talk), GfKl 36, Hildesheim, 2012.

Consulting / Beratungstätigkeiten

Main fields of application: market research, international marketing, sales force man­agement, segmentation & positioning, consumer behavior, applications in business administration and operations research, web intelligence.

Additional Scientific Activities / Weitere wissenschaftliche Aktivitäten

Member of programme committees, organizer of special sections of conferences, local organizer of meetings, invited speaker at international conferences, referee of papers in journals on operations research, applied mathematics, data analysis, statistics, computer science, and marketing as well as refereed proceedings volumes.