All publications
2013
| and , Organizing and Configuring the IT Function, in: (To appear) Computer Science Handbook, Third Edition - Information Systems and Information Technology - Volume 2, Taylor & Francis, 2013 |
2012
| , , and , Communication Anonymizers: Personality, Internet Privacy Literacy and their Influence on Technology Acceptance (2012), in: European Conference on Information Systems (ECIS), Barcelona, Spain |
| , , and , Corporate career presences on social network sites: an analysis of hedonic and utilitarian value (2012), in: ACM SIGCHI Conference on Human Factors in Computing Systems (CHI), Texas, USA |
| and , Employer Branding via Social Network Sites - a Silver Bullet to Attract IT Professionals? (2012), in: European Conference on Information Systems (ECIS), Barcelona, Spain |
| and , Explaining the Governance of Software as a Service Applications: A Process View, in: Multikonferenz der Wirtschaftsinformatik 2012, Braunschweig, Germany, 2012 |
| , , , and , Handbook of Research on Industrial Informatics and Manufacturing Intelligence: Innovations and Solutions, chapter Improving Industrial Product Lifecycle Management by Semantic Data Federations, IGI Global, 2012 |
| , , and , Information Technology and Business Practices in Germany: Results from the 2011 BIT Survey, in: (To appear) The Business and Information Technologies (BIT) Project, World Scientific Publishing Company, 2012 |
[URL] |
| , , and , Participatory Urban Sensing: Citizens' Acceptance of a Mobile Reporting Service, in: European Conference on Information Systems 2012 (ECIS), Barcelona, Spain, 2012 |
| , , and , Secure Federation of Semantic Information Services (2012), in: Decision Support Systems |
| , and , SHARDIS: A Privacy-Enhanced Discovery Service for RFID-Based Product Information (2012), in: IEEE Transactions on Industrial Informatics, 8 |
[DOI] |
| , and , Supporting Dynamic Reuse in Business Case Development (2012), in: Proceedings of the 20th European Conference on Information Systems (ECIS), June 10-13, 2012, Barcelona, Spain |
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| and , The Relation Between Dynamic Business Models and Business Cases (2012), in: The Electronic Journal of Information Systems Evaluation, 15:1(138-148) |
| , Transforming Municipalities: Drivers, Inhibitors and Strategies in Mobile Government Diffusion, in: (To appear) Transformational Government Through E-Government: Socio-Economic, Cultural, And Technological Issues, Emerald, 2012 |
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2011
| , and , 应用成本效益分析_ 理论、方法和习题 (Kosten- und Erfolgsrechnung - Theorie, Instrumente und Aufgaben), Shanghai University of Finance and Economics Press, 2011 |
| , and , Advising Customers on Products in Navigating Online Shops – An Empirical Analysis (2011), in: Proceedings of the 17th Americas Conference on Information Systems (AMCIS 2011) |
| , , and , Are You Willing to Wait Longer for Internet Privacy? (2011), in: Proceedings of the European Conference on Information Systems (ECIS 2011), Helsinki, Finland |
| , and , Challenges in Business Case Development and Requirements for Business Case Frameworks (2011), in: Proceedings of the 5th European Conference on Information Management and Evaluation (ECIME), September 8-9, 2011, Como, Italy |
| , and , Cognition or Affect? – Exploring Information Processing on Facebook, in: Social Informatics, pages 171-183, Springer Berlin / Heidelberg, 2011 |
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| , and , Decision Support by Automatic Analysis of Business Process Models (2011), in: Proceedings of the 19th European Conference on Information Systems (ECIS), June 9-11, 2011, Helsinki, Finland |
| , and , Einsatz mobiler Technologien bei deutschen Krankenversicherern – Eine qualitative Studie, in: MMS 2011: Mobilität und Ubiquitäre Informationssysteme, Lecture Notes in Informatics, pages 77-90, Köllen Druck+Verlag, 2011 |
| , , and , Engineering Policies for Secure Inter-Organizational Information Flow, in: Proceedings of the 15th IEEE International Enterprise Distributed Object Computing Conference Workshops, 2011 |
| and , Evaluating the Effectiveness of Relational Marketing Strategies in Corporate Website Performance (2011), in: Proceedings Dritter Workshop Business Intelligence, Gesellschaft für Informatik (WSBI11) |
| , , and , From Intelligent Objects to Smarter Workflows – An Architectural Approach, in: Proceedings of the 15th IEEE International Enterprise Distributed Object Computing Conference Workshops, 2011 |
| , , and , Generation Facebook’ – A Cognitive Calculus Model of Teenage User Behavior on Social Network Sites, in: Proceedings of the 17th Americas Conference on Information Systems (AMCIS), Detroit, USA, 2011 |
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| , , and , I LIKE IT BECAUSE I (‘M) LIKE YOU – Measuring User Attitudes Towards Information on Facebook, in: Proceedings of the Thirty Second International Conference on Information Systems (ICIS), Shanghai, China, 2011 |
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| , , , , , , , , , and , In-Memory Databases in Business Information Systems (2011), in: Business Information System Engineering (BISE), 3:6(389-395) |
[DOI] |
| , and , Increasing Global Reach: Using Social Network Sites for Employer Branding, in: Proceedings of the Wirtschaftsinformatik (WI), Zurich, 2011 |
| and , Innovationen im Mobile Government – Eine Analyse von Dienstattraktivitäten und Motivationen von deutschen Kommunen, in: Wirtschaftsinformatik Proceedings 2011, pages 1134--1143, 2011 |
[URL] |
| , , and , It's All About Networking - Empiircal Investigation of Social Capital Formation on Social Network Sites, in: Proceedings of the Thirty Second International Conference on Information Systems (ICIS), Shanghai, China, 2011 |
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| , Kommunale Mobilmachung – Studie Innovationen im M-Government (2011), in: Vitako Aktuell, 3(6--8) |
[URL] |
| , and , Measuring Web Site Information and Service Quality - An Extended Multi-Attribute Attitude Model (2011), in: Proceedings of the 17th Americas Conference on Information Systems (AMCIS 2011) |
| , , , and , RFID and the Internet of Things: Technology, Applications, and Security Challenges (2011), in: Foundations and Trends in Technology, Information and OM, 4:2(105-185) |
[DOI] |
| , , and , Shopping Online – Determining Consumer Acceptance of Online Shops (2011), in: Proceedings of the 17th Americas Conference on Information Systems (AMCIS 2011) |
| , and , The Impact of Industrialized Service Provision on the Power Structures between Business and IT – The End of “IT as Usual”? (Research Talk), online media site (min 1:17:00), 2011 |
[URL] |
| , , , and , The Impact of Software as a Service on IS Authority – A Contingency Perspective, in: International Conference on Information Systems (ICIS) 2011, 2011 |
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| and , The Relation Between Dynamic Business Models and Business Cases (2011), in: Proceedings of the 5th European Conference on Information Management and Evaluation (ECIME), September 8-9, 2011, Como, Italy |
| , and , Towards Transformational IT Governance – The Case of Mobile Government Adoption, in: European Conference on Information Systems 2011, 2011 |
[URL] |
2010
| , and , ‘Stop Spamming Me!’ – Exploring Information Overload on Facebook, in: Proceedings of the 16th Americas Conference on Information Systems (AMCIS), Lima, Peru, 2010 |
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| , , , and , A Comparison of Security Requirements Engineering Methods (2010), in: Requirements Engineering Journal, Special Issue – Security Requirements Engineering, 15:1(7--40) |
[URL] |
| , Akzeptanz von Ambient Intelligence in Krankenhäusern – Ein Ländervergleich zwischen Deutschland und Australien am Beispiel der Medikationsunterstützung, EUL-Verlag, 2010 |
| , , , and , Aletheia – Improving Industrial Service-lifecycle Management by Semantic Data Federations, in: IEEE International Conference on Advanced Information Networking and Applications (IEEE AINA 2010), IEEE Press, 2010 |
| and , Ambient Intelligence (2010), in: Wirtschaftsinformatik, 52:5(311-314) |
| , , and , Comparison of Discovery Service Architectures for the Internet of Things, in: IEEE International Conference on Sensor Networks, Ubiquitous, and Trustworthy Computing (IEEE SUTC 2010), pages 237 - 244, IEEE Press, 2010 |
[DOI] |
| , and , Corporate blogging today – usage and characteristics (2010), in: Proceedings of the Sixteenth Americas Conference on Information Systems, Lima, Peru |
| , and , Investigation of the Network Construction Behavior on Social Networking Sites, in: Proceedings of the 31st International Conference on Information Systems (ICIS), St.Louis, USA, 2010 |
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| , and , Kosten- und Erlösrechnung: Anschaulich, kompakt, praxisnah, Springer, 2010 |
| , , and , Managing Complex Event Processes with Business Process Modeling Notation, in: Proceedings of BPMN 2010, pages 79-90, Springer, 2010 |
| , , and , Online Social Networks: Why We Disclose (2010), in: Journal of Information Technology, 25:2(109-125) |
| , , , and , Privately Waiting – A Usability Analysis of the Tor Anonymity Network, in: Proceedings of the Sixteenth Americas Conference on Information Systems (AMCIS 2010), Lima, Peru. SIGeBIZ Track Selected Papers, Springer, 2010 |
| , , and , RFID in the Cloud: A Service for High-Speed Data Access in Distributed Value Chains, in: Proceedings of the Sixteenth Americas Conference on Information Systems (AMCIS 2010), 2010 |
| , , and , RFID-gestützte Medikation im Krankenhaus: Ein Erfahrungsbericht, in: MMS 2010: Mobilität und Ubiquitäre Informationssysteme – Technologien, Anwendungen und Dienste zur Unterstützung von mobiler Kollaboration, Lecture Notes in Informatics, pages 84-96, Köllen Druck+Verlag, 2010 |
| and , RFID’s Impact on Logistic Operations: Towards a Comprehensive Empirical Assessment, in: Proceedings of the Sixteenth Americas Conference on Information Systems, Lima, Peru, 2010 |
| , , , and , Role-Based Access Control for Information Federations in the Industrial Service Sector, in: 18th European Conference on Information Systems (ECIS 2010), Pretoria, South Africa, 2010 |
| and , Untersuchung von Nutzenpotentialen und Akzeptanzproblemen ambienter Technologien in Krankenhäusern: Erfahrungsbericht eines Mixed Methods-Projekts (2010), in: Zeitschrift für Betriebswirtschaft, Special Issue "Mixed Methods in der Managementforschung":5(59-88) |
| and , Using Ontologies in an E-Commerce Environment: Help or Hype? (2010), in: Proceedings of the Sixteenth Americas Conference on Information Systems, Lima, Peru |
2009
| , and , Acceptance Problems of Ambient Intelligence and Mobile Technologies in hospitals in India and Germany, in: Proceedings of 17th European Conference on Information Systems, Verona, Italy, 2009 |
[URL] |
| , and , Adoption of Cross-Company RFID: An Empirical Analysis of Perceived Influence Factors, in: 17th European Conference on Information Systems (ECIS 2009), Verona, Italy, 2009 |
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| , and , Challenges for Access Control in Knowledge Federations, in: Proc. International Conference on Knowledge Management and Information Sharing (KMIS 2009), Madeira, Portugal, pages 224-229, INSTICC Press, 2009 |
| and , Das Drumherum hilft bei der Effizienz - Ambiente Technologien für Prozess- und Arbeitsoptimierung (2009), in: Krankenhaus Technik + Management(25-28) |
| , Dean versus Dekan – Ein universitäres Selbstverwaltungsamt im Umbruch (2009), in: Forschung und Lehre:4/09 |
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| and , Deutsche Universitäten im Umbruch – 20 Jahre nach der Wende, in: F. Keuper, D. Puchta (Hrsg.), 20 Jahre Mauerfall, Gabler, 2009 |
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| , Die Wirtschaftswissenschaftliche Fakultät der Humboldt-Universität zu Berlin (2009), in: Humboldt-Spektrum:4 |
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| , and , EPCIS-based Supply Chain Event Management – A Quantitative Comparison of Candidate System Architectures, in: 3rd International Conference on Complex and Computer Intensive Systems (CISIS 2009), Workshop on Engineering Complex Distributed Systems (ECDS 2009), Fukuoka, Japan, IEEE Computer Society, 2009 |
[URL] |
| , Everything as a Service – Auf dem Weg zum „Internet der Dienste und Dinge“, SAASKON - Software as a Service und Cloud Computing, 2009 |
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| , and , High-Speed Access to RFID Data: Meeting Real-Time Requirements in Distributed Value Chains, in: Proc. 4th International Workshop on Enterprise Integration, Interoperability and Networking (EI2N 2009), On the Move to Meaningful Internet Systems: OTM 2009 Workshops, Springer, 2009 |
| , Implementing Secure P2P-ONS, in: Proc. IEEE International Conference on Communications (IEEE ICC 2009), Dresden, Germany, IEEE Press, 2009 |
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| , , , , and , Internet der Dinge – Leitfaden zu technischen, organisatorischen, rechtlichen und sicherheitsrelevanten Aspekten bei der Realisierung neuer RFID-gestützter Prozesse in Wirtschaft und Verwaltung, Bundesministerium für Wirtschaft und Technologie, Dokumentation Nr. 581, 2009 |
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| , , and , IT Infrastructures in Manufacturing: Insights from Seven Case Studies, in: Americas Conference on Information Systems, 2009 |
| and , Kausalanalytische Untersuchung von Akzeptanzproblemen ambienter Technologien zur Vermeidung von Behandlungsfehlern in deutschen Krankenhäusern, in: MMS 2009: Mobilität und Ubiquitäre Informationssysteme – Entwicklung, Implementierung und Anwendung, Lecture Notes in Informatics, pages 82-94, Köllen Druck+Verlag, 2009 |
| , Kulturelle Einussfaktoren der Akzeptanz ambienter Systeme zur Vermeidung von Medikationsfehlern in Krankenhausern, in: Tagungsband zum Doctoral Consortium der WI 2009, Bayreuther Arbeitspapier zur Wirtschaftsinformatik, Band 40, 2009 |
[URL] |
| , Mit dem Bachelor ganz nach oben (2009), in: Tagesspiegel:24.09.2009 |
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| , , and , Modeling Microblogging Adoption in the Enterprise, in: Proc. 15th Americas Conf. on Information Systems (AMCIS), 2009 |
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| and , Online Service Quality of Web-based E-Mail-Services -An Empirical Study For The German Market, in: Proc. 42th Hawaii International Conference on System Science, 2009 |
| , , and , Privacy Concerns and Identity in Online Social Networks (2009), in: Journal of Identity in the Information Society, 2:1 |
| , and , RFID Context Data Management: The Missing Link to EPCIS-Based Supply Chain Monitoring, in: 13th Pacific Asia Conference on Information Systems (PACIS 2009), Hyderabad, India, 2009 |
[URL] |
| , , , and , RFID in Manufacturing: The Investment Decision, in: Pacific Asia Conference on Information Systems (PACIS), 2009 |
| , , , and , RFID in the Supply Chain: How to Obtain a Positive ROI - The Case of Gerry Weber, in: 11th International Conference on Enterprise Information Systems (ICEIS 2009), Vol. Information Systems Analysis and Specification, Milan, Italy, pages 95-102, 2009 |
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| and , Security Challenges of the EPCglobal Network (2009), in: Communications of the ACM, 52:7(121-125) |
[URL] |
| and , Sharing RFID and Complex Event Data Among Organizations (2009), in: Information Systems Frontier (Special Issue on Advances in RFID Technology) |
| , and , Smart Items in Ereignisgesteuerten Prozessketten, in: 39. Jahrestagung der Gesellschaft für Informatik, Lübeck, 2009 |
| , , and , Storing Data on RFID Tags: A Standards-Based Approach, in: 17th European Conference on Information Systems (ECIS 2009), Verona, Italy, 2009 |
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| , and , Towards a Research Agenda on Cultural Influences on the Acceptance of Ambient Intelligence in Medical Environments, in: Proceedings of 15th Americas Conference on Information Systems (AMCIS 2009), San Francisco, 2009 |
[URL] |
| , , and , Unternehmensübergreifende RFIDAnwendungen – Eine Fallstudie aus der Möbelindustrie zur RFID-basierten Auftragsabwicklung, in: 11. Paderborner Frühjahrstagung, Paderborn, 2009 |
| , Warum promovieren wir? (2009), in: Forschung und Lehre:07/09 |
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| , and , Wireless City Berlin – Solutions for a Smarter City (2009), in: Wireless Communication and Information(207-220) |
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| , and , Wireless City Initiatives in Europe--Towards a Service-Oriented Approach (2009), in: Proceeding of the 2009 conference on Techniques and Applications for Mobile Commerce: Proceedings of TAMoCo 2009 |
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2008
| , and , A privacy-protecting business analytics service for online transactions (2008), in: International Journal of Electronic Commerce |
| and , Ambient Intelligence and Ubiquitous Computing, in: Handbook on Information Technologies for Education and Training, International Handbooks on Information Systems, pages 79-100, Springer, 2008 |
| , and , Ambient Intelligence in Medical Environments and Devices. Qualitative Studie zu Nutzenpotentialen ambienter Technologien in Krankenhäusern, ESCP Europe Working Paper, number 36, 2008 |
[URL] |
| , and , Automatische Identifikation, Barcode, Biometrie, OCR, RFID, in: Enzyklopädie der Wirtschaftsinformatik, Oldenbourg, München, 2008 |
[URL] |
| and , Between extreme rejection and cautious acceptance - consumers' reactions to RFID-based information services in retail (2008), in: Social Science Computer Review 26(1) |
| , and , Breaking the Cycles of Innovation - A Holistic View on Business Transformation, in: Managing Challenges in a Globalized World - Festschrift anlässlich der Emeritierung von Prof. Dr. Manfred Perlitz, Mannheim University Press, 2008 |
| and , Corporate- und Webinterface Design für ein Online-Unternehmen, VDM Verlag, 2008 |
| , , and , Cost-Benefit Sharing in Cross-Company RFID Applications: A Case Study Approach, in: International Conference on Information Systems (ICIS 2008), Paris, France, 2008 |
| and , Design Guidelines for RFID-Based Applications in Manufacturing, in: European conference on information systems, 2008 |
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| , and , Die deutschsprachige Blogosphäre: Reifegrad, Politisierung, Themen und Bezug zu Nachrichtenmedien, in: Kommunikation, Partizipation und Wirkungen im Social Web, Herbert von Halem Verlag, 2008 |
| and , EPCIS-based Decision Support for Assembly Networks, in: 16th European Conference on Information Systems (ECIS 2008), Galway, Ireland, 2008 |
| and , Geschäftsprozessmodellierung für die EU-Dienstleistungsrichtlinie als Beispiel für ein modernes E-Government, Institute of Information Systems, School of Business and Economics, Humboldt-Universität zu Berlin, 2008 |
| , and , Kritische Analyse der Einsatzgebiete von Ambient Intelligence in Krankenhäusern, in: MMS 2008: Mobilität und Ubiquitäre Informationssysteme – Technologien, Prozesse, Marktfähigkeit, Lecture Notes in Informatics, pages 178-191, Köllen Druck+Verlag, 2008 |
| , and , Multipolarity for the Object Naming Service, in: Proc. Internet of Things (IOT 2008), Zurich, Switzerland, 2008, pages 1-18, Springer-Verlag, Berlin-Heidelberg, 2008 |
[URL] |
| , and , ONS Security, in: RFID Handbook: Applications, Technology, Security and Privacy, CRC Press, 2008 |
| , Optimierung der Lagerhaltungsprozesse mit RFID, Institut für Wirtschatfsinformatik, 2008 |
| and , Process mining and data aggregation strategies for business collaboration networks (2008), in: Communications of Arab Computer Society |
| , Procurement Platforms for Consumers (2008), in: ACM SIGecom Exchanges, 7:2 |
| , RFID Impacts on Power Structures in the Supply Chain of the Automotive Industry, Institut für Wirtschatfsinformatik, 2008 |
| , and , RFID in Manufacturing, Springer, 2008 |
| , Secure Name Services for the Internet of Things, Wirtschaftswissenschaftliche Fakultät, 2008 |
[URL] |
| and , Web Mining - mittels Kundenorientierung zum Geschäftserfolg, VDM Verlag, 2008 |
| , and , Web Usage Mining, Springer, 2008 |
| , , , and , Why Participate in an Online Social Network: An Empirical Analysis, in: Proc. 16th European Conf. on Information Systems (ECIS), 2008 |
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| , Wie wird die Sicherheit von Software durch ihre Bedienerfreundlichkeit beeinflusst? Dargestellt am Beispiel der Software PGP Desktop 9.6, Institut für Wirtschatfsinformatik, 2008 |
2007
| and , Adressing Users' Privacy Concerns for Improving Personalization Quality: Towards an Integration of User Studies and Algorithm Evaluation, in: Mobasher, B., Anand, S.S. (eds.), Intelligent Techniques for Web Personalization, LNAI, Springer-Verlag, 2007 |
| , and , Ambient Intelligence Framework zur Förderung kollaborativer Wissens- und Lernprozesse, in: Mehr Wissen - mehr Erfolg! (Proceedings of the KnowTech 2007), pages 265-274, CMP-WEKA Verlag, 2007 |
| , Attention and Interruption Management for System Design - Towards a Unified Model, Institut für Wirtschatfsinformatik, 2007 |
| and , Beurteilung der Nutzungspotentiale sowie der Probleme von Ambient Intelligence im Krankenhaus, in: Mobiles Computing in der Medizin (Proceedings zum 7. Workshop der GMDS-Arbeitsgruppe Mobiles Computing in der Medizin), pages 123-136, Shaker Verlag, 2007 |
| , Content Management Systeme im Vergleich im Hinblick auf die Nutzung für die Fakultät, Institut für Wirtschatfsinformatik, 2007 |
| , Customer Relationship Management (CRM) als Unternehmensstrategie öffentlichrechtlicher und privater Online-Nachrichtenanbieter, Institut für Wirtschatfsinformatik, 2007 |
| , Die Entwicklung einer digitalen Bibliothek und ihrere Nutzung - eine Langzeit-Webmining-Analyse, Institut für Wirtschatfsinformatik, 2007 |
| and , Distributed ONS and Its Impact on Privacy, in: Proc. IEEE International Conference on Communications (IEEE ICC 2007), Glasgow, UK, IEEE Press, 2007 |
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| , Erstellung eines Referenzprozesses für den kundenauftragsbezogenen Fahrzeugbau, Institut für Wirtschatfsinformatik, 2007 |
| , Identifikation funktionaler Komponenten und technischer Dienste für RFID-Anwendungen, Institut für Wirtschatfsinformatik, 2007 |
| , Interactive Learning of Grammars for Information Extraction: An Authoring Tool For Extracting Citation Metadata, Institut für Wirtschatfsinformatik, 2007 |
| , Interactive Vizualization of frequent Patterns in Data Mining and case study, Institut für Wirtschatfsinformatik, 2007 |
| , , , and , IT Investment Behavior vs. Profititability - an Experimental Study, in: Business Intelligence, 2007 |
| , Kognitionswissenschaft, in: Bildwissenschaften und Bildwissenschaft, Suhrkamp Verlag, 2007 |
| , and , Location Services in Ad-hoc and Sensor Networks, in: Algorithms for Ad-hoc and Sensor Networks, Springer Verlag, 2007 |
| , Medical Resource Steering I an ubiquitous clinical environment, Institut für Wirtschatfsinformatik, 2007 |
| , , and , Personalisierung und Informationelle Selbstbestimmung - Ein unauflösbarer Widerspruch? (2007), in: Wirtschaftsinformatik, 49:1 |
| , and , Pricing Web Services (2007), in: International Journal of Business Process Integration and Management, 2:2 |
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| , , , , and , Proceedings of the Workshop on Data Mining for User Modelling at UM 2007, 2007 |
| , Protecting One's Privacy: Insights into the Views and Nature of the Early Adopters of Privacy Services, in: Issues and Trends in Technology and Human Interaction, IRM Press, 2007 |
| , , and , Security in Ad-hoc and Sensor Networks, in: Algorithms for Ad-hoc and Sensor Networks, Springer Verlag, 2007 |
| , Serviceorientierte Architekturen für das eGovernment - Eine Untersuchung am Beispiel des KfZ-Zulassungswesens der Metropolregion Hamburg, Institut für Wirtschatfsinformatik, 2007 |
| , , , and , Sicherer Informationsaustausch im Internet der Dinge [Secure Information Exchange in the Internet of Things], in: Internet der Dinge, Springer-Verlag, 2007 |
| , Socio - economic impact of online reserve C-2-B procurement platforms, Institut für Wirtschatfsinformatik, 2007 |
| , Softwareunterstützung für die Balancerdd Scorecard-Konzeption eines Vorgehensmodells zur Auswahl einer passgerechten Lösung und Anwendung am Beispiel der Conergy AG, Institut für Wirtschatfsinformatik, 2007 |
| , , and , Standards for Ambient Learning Environments, in: MMS 2007: Mobilität und mobile Informationssysteme, Lecture Notes in Informatics, pages 103-114, Köllen Druck+Verlag, 2007 |
| and , Technologiepaternalismus - Soziale Auswirkungen des Ubiquitous Computing jenseits von Privatsphäre, in: Die Informatisierung des Alltags - Leben in Smarten Umgebungen, Springer-Verlag, 2007 |
| and , The Image of Germany in the world: An email and Web mining approach (2007), in: Künstliche Intelligenz, 3(30--36) |
| , , and , Trust indicator modeling for a reputation service in virtual organizations (2007), in: The 15th European Conference on Information Systems (ECIS) |
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| , User Control in Ubiquitous Computing: Design Alternatives and User Acceptance, Institut für Wirtschaftsinformatik, 2007 |
| , Value Creation in Virtual Communities: Exploring the Impacts of Online social Network Services, Institut für Wirtschatfsinformatik, 2007 |
| , Web 2.0 im Unternehmernseinsatz "Internal Uses of Web 2.0 in the Enterprise", Institut für Wirtschatfsinformatik, 2007 |
2006
| A Score-based Metrics System for Measuring ERP Investment Profitability, Institut für Wirtschatfsinformatik, 2006 |
| Analysis of different knowledge managementsystem solutions, Institut für Wirtschatfsinformatik, 2006 |
| Analysis of Online Reverse Aactions in B2B Procurement Process: Case Study Turkish Markets, Institut für Wirtschatfsinformatik, 2006 |
| and , Anwendungen des Ubiquitous Computing, in: Technikfolgen-Abschätzung Ubiquitäres Computing und Informationelle Selbstbestimmung (TAUCIS), pages 45-62, BMBF, 2006 |
[URL] |
| Behavioral Aspects of IT Investment Decisions, Institut für Wirtschatfsinformatik, 2006 |
| Development of a cooperation model for the provision of mobile services in urban environment bey small and medium-sized enterprises, Institut für Wirtschatfsinformatik, 2006 |
| and , Elektronisches Couponing (2006), in: Absatzwirtschaft Science Factory 8(2):4-9 |
| , , and , Emerging Markets for RFID Traces, Peer-reviewed White Paper, archivx, 2006 |
[URL] |
| Enriching online user profiles with offline information: an approach to customer segmentation, Institut für Wirtschatfsinformatik, 2006 |
| Getting a scholar from A to Z of the scientific writing process, Institut für Wirtschatfsinformatik, 2006 |
| , Including Process Information in Traceability, in: Smith, I., Furness, A. (eds.), Improving traceability in food processing, Woodhead Publishing, 2006 |
| Information finding in Blogsphere, Institut für Wirtschatfsinformatik, 2006 |
| , Internetökonomie [Internet Economics, Editorial to a Special Issue] (2006), in: Wirtschaftsinformatik 48(1):1-2 |
| , , and , Internetökonomie [Internet Economics, Editorial to a Special Issue], Wirtschaftsinformatik 48(1):1-2, 2006 |
| and , Internettechnologien im Kontext moderner Wertschöpfungsnetze - Beispielanwendungen am Point of Sale [Internet Technologies in Modern Value Chains - Example Applications at the Point of Sale] (2006), in: Information Technology, 48:4(193--199) |
| , IT Productivity and Investment Behavior, Institut für Wirtschatfsinformatik, 2006 |
| , , and , Kooperation in RFID-gestützten Wertschöpfungsnetzen [Cooperation in RFID-Enabled Value Chains] (2006), in: Industrie Management, 22(41--44) |
| and , Lohnt sich kontextsensitives elektronisches Couponing? (2006), in: Absatzwirtschaft - Zeitschrift für Marketing, 9:6 |
| , On Validation of an Evaluation Tool for Knowledge Management Systems, Institut für Wirtschatfsinformatik, 2006 |
| , , and , Ontologizing B2B Message Specifications: Experiences from Adopting the PLIB Ontology for Commercial Product Data, in: IEEE International Conference on e-Business Engineering (ICEBE 2006), Shanghai, China, pages 146--153, 2006 |
| , Physical Intrusion Detection Using RFID, in: Proc. First GI SIG SIDAR Graduate Workshop on Reactive Security (SPRING), Technical Report SR-2006-01, 2006 |
| , Process description & feasibility analysis for implemtation RFID in Manufacturing Process, Institut für Wirtschatfsinformatik, 2006 |
| and , Procurement-Auctions for Consumers - A new Trend on the Horizon of E-Commerce? (2006), in: Wirtschaftsinformatik, 48:1 |
| , Produktionsorientierte Managementkonzepte im Beratungsportfolio: Fallbeispiele aus dem ERP Bereich, Institut für Wirtschatfsinformatik, 2006 |
| , and , Provable Security for Outsourcing Database Operations, in: Proc. 22nd IEEE Int. Conf. on Data Engineering, 2006 |
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| , Qualitätsorientierte Managementkonzepte im Beratungsfolio - Fallbeispiele aus dem ERP-Bereich, Institut für Wirtschatfsinformatik, 2006 |
| , , and , Real-World Challenges of Pervasive Computing (2006), in: IEEE Pervasive Computing, 5:3 |
| , RFID a Production - A Case Study from the Airbag Industry, Institut für Wirtschatfsinformatik, 2006 |
| , RFID Acceptance in Consumer Products and Services, Institut für Wirtschatfsinformatik, 2006 |
| , RFID in Produktion: A case study from the Connector Industry, Institut für Wirtschatfsinformatik, 2006 |
| , RFID in the Automotive Industry, Institut für Wirtschatfsinformatik, 2006 |
| and , RFID: a Systematic Analysis of Privacy Threats & a 7-point plan to address them (2006), in: Journal of Information Systems Security, 1:3 |
| , and , Semantic Web Mining: State of the Art and Future Directions (2006), in: Journal of Web Semantics 4 (2):124-143 |
| TAUCIS - Technikfolgenabschätzung ubiquitäres Computing und informationelle Selbstbestimmung [Technology Impact Study Ubiquitous Computing and Privacy], Studie im Auftrag des Bundesministeriums für Bildung und Forschung, 2006 |
| , Technische Bestimmungsfaktoren des Ubiquitous Computing, in: Technikfolgen-Abschätzung Ubiquitäres Computing und Informationelle Selbstbestimmung (TAUCIS), pages 63-75, BMBF, 2006 |
[URL] |
| and , Technische Grundlagen des Ubiquitous Computing, in: Technikfolgen-Abschätzung Ubiquitäres Computing und Informationelle Selbstbestimmung (TAUCIS), pages 11-44, BMBF, 2006 |
[URL] |
| and , Technische und Organisatorische Lösungen für Informationelle Sicherheit und Selbstbestimmung im Ubiquitous Computing, in: Technikfolgen-Abschätzung Ubiquitäres Computing und Informationelle Selbstbestimmung (TAUCIS), pages 242-320, BMBF, 2006 |
[URL] |
| , The Impact of Culture on Privacy Needs in E-.Health, Institut für Wirtschatfsinformatik, 2006 |
| , The Impact of Culture on the Willingness-to-Pay in e-Health, Institut für Wirtschatfsinformatik, 2006 |
| , Third Generation Knowledge Management - an integrated model for system acceptance and success, Institut für Wirtschatfsinformatik, 2006 |
| , and , Towards a Global Real-Time Enterprise, in: Emerging Spatial Information Systems and Applications, Idea Group, Information Science Publishing, IRM Press, 2006 |
| and , Use of RFID Technology at Retail? (2006), in: praxis-perspektiven, 8(57--61) |
| , User behaviour user motivation and user satisfaction at consumer-oriented procurement platforms, Institut für Wirtschatfsinformatik, 2006 |
2005
| , The impact of culture and language on the use of the internet empirical analyses of behaviour and attitudes, Institut für Wirtschaftsinformatik, 2005 |
| , A Quantitative Analysis of E-Commerce: Channel Conflicts, Data Mining, and Consumer Privacy, Institut für Wirtschaftsinformatik, 2005 |
| , Collaboration with SAP Enterprise Portal, Institut für Wirtschatfsinformatik, 2005 |
| , and , Dynamic Value Webs in Mobile Environments Using Adaptive Location-Based Services, in: Proc. 38th Hawaii International Conference on System Science, 2005 |
| , Privacy Control in Ubiquitous Computing Environment: A Comparative Analysis, Institut für Wirtschatfsinformatik, 2005 |
| , and , Privacy in E-Commerce: Stated Preferences vs. Actual Behavior (2005), in: Communications of the ACM, 48:4(101--106) |
|
| and , Produktivitätsmessung von ERP-Lösungen [Measuring ERP Productivity] (2005), in: ERP Management, 1(17--20) |
| and , RFID and the Perception of Control: The Consumer's View (2005), in: Communications of the ACM, 48:9(73--76) |
|
| , and , RFID: Verbraucherängste und Verbraucherschutz [RFID: Consumer Fears and Consumer Protection] (2005), in: Wirtschaftsinformatik, 47:6 |
| , and , Security Analysis of the Object Name Service, in: Proc. 1st IEEE Workshop on Security, Privacy and Trust in Pervasive and Ubiquitous Computing (SecPerU 2005), in conj. with IEEE ICPS 2005, Santorini, Greece, pages 71-76, 2005 |
|
| , and , Service-oriented IT-Management: Benefit, Cost and Success Factors, in: Proc. 13th European Conference on Information Systems, 2005 |
| and , Ubiquitäre Informationssysteme, Humboldt-Spektrum 4/05, 2005 |
| and , Umsetzung eines ITIL-konformen IT-Service-Support auf der Grundlage von Web-Services, in: 7. Internationale Tagung Wirtschaftsinformatik, 2005 |
| and , Webbasierte Dienste [Web-based Services], Physica-Verlag, 2005 |
| and , Webbasierte Dienste: Technologien, Märkte und Geschäftsmodelle, Physica-Verlag, Springer Unternehmen, 2005 |
2004
| Ausgezeichnete Informatikdissertationen 2003 [Excellent Dissertations in Computer Science 2003], Gesellschaft für Informatik, 2004 |
| , Client / Server Based Statistical Computing, Institut für Wirtschaftsinformatik, 2004 |
| , Privacy Trade-Offs in Web-Based Services, Institut für Wirtschaftsinformatik, 2004 |
| and , RFID vs. Privatsphäre - ein Widerspruch?, Kolumne in Wirtschaftsinformatik 46(4), 2004 |
| and , Semantic-based Access to Environmental Reports Using Topic Maps (2004), in: International Journal of Environment and Sustainable Development, 3:1(34--50) |
| , and , Statistical Databases, in: Handbook of Computational Statistics, Springer-Verlag, 2004 |
| , Temporale Aspekte entdeckten Wissens: Ein Bezugssystem für die Evolution von Mustern, Institut für Wirtschaftsinformatik, 2004 |
| and , The utility of learning management systems for institutes of higher education, in: Proc. 15th Biennial Conference of the International Telecommunications Society, 2004 |
2003
| Ausgezeichnete Informatikdissertationen 2002 [Excellent Dissertations in Computer Science 2002], Gesellschaft für Informatik, 2003 |
| , Clustering and Fuzzy Techniques: Theory, Implementation and Applications, Institut für Wirtschaftsinformatik, 2003 |
| , Intershop ePages, Lehrbuch, SPC-Lehrbuchverlag, 2003 |
| and , Konzepte in eCommerce Anwendungen, Lehrbuch, SPC-Lehrbuchverlag, 2003 |
| , Lay Internet Usage - An Empirical Study with Implications for Electronic Commerce and Public Policy, Institut für Wirtschaftsinformatik, 2003 |
| and , Measuring the Utility of E-Government-Portals, in: Serie e-Gov days 2003, 2003 |
| , Mittelstands-Shop-Systeme: OPENSTORE & GS ShopBuilder Pro, Lehrbuch, SPC-Lehrbuchverlag, 2003 |
| , Netzbasierte Dienste - Angebot, Nachfrage und Matching, Institut für Wirtschaftsinformatik, 2003 |
[URL] |
| , Querying Databases Privately, Institut für Wirtschaftsinformatik, 2003 |
| , Semiparametric Extensions to Generalized Linear Models, Institut für Wirtschaftsinformatik, 2003 |
| and , Strategies to reduce information asymmetry in web service market, in: Proc. 11th European Conference on Information Systems, 2003 |
| and , Trust and Security for Web Services, in: Perspectives in Business Informatics Research, pages 46-62, Shaker Verlag, 2003 |
| , Valuation of Properties and Economic Models of Real Estate Markets, Institut für Wirtschaftsinformatik, 2003 |
| , Wissensrepräsentation für das Web Usage Mining, Institut für Wirtschaftsinformatik, 2003 |
2002
| , Wissensmanagement Konzepte und Anwendungen aus dem Umweltmanagement, Institut für Wirtschaftsinformatik, 2002 |
| and , An Empirical Study of the European ASP Market, in: Proc. 10th European Conference on Information Systems, Gdansk, 2002 |
| Ausgezeichnete Informatikdissertationen 2001 [Excellent Dissertations in Computer Science 2001], Gesellschaft für Informatik, 2002 |
| , Data Management in Environmental Information Systems, in: Handbook of Massive Datasets, pages 981--1092, Kluwer Academic Publishers, 2002 |
| , and , EMS Records and Information Management of Environmental Aspects and Their Associated Impacts with Metadata, in: Modern Organizations in Virtual Communities, IRM Press, 2002 |
| , Fachkonzept für die Implementierung privater Währungen im Internet, Institut für Wirtschaftsinformatik, 2002 |
| , Online Information Search with Electronic Agents: Drivers, Impediments, and Privacy Issues, Institut für Wirtschaftsinformatik, 2002 |
| , Testing continuous time series models in financial markets, Institut für Wirtschaftsinformatik, 2002 |
2001
| , , and , Application Service Providers: Angebot, Nachfrage und langfristige Perspektiven [Application Service Providers: Supply, Demand, and Long-Term Perspectives] (2001), in: Wirtschaftsinformatik, 43:6 |
| Ausgezeichnete Informatikdissertationen 2000 [Excellent Dissertations in Computer Science 2000], Gesellschaft für Informatik, 2001 |
| and , Betriebliche Umweltinformationssysteme als Knowledge Managementsysteme im Umweltmanagement [Environmental Management Information Systems as Knowledge Management Tool] (2001), in: UmweltWirtschaftsForum, 9:1(64--67) |
| , and , EcoExplorer/ACCOUNT: An environmental management information system (2001), in: Systems Analysis Modelling Simulation, 41:4(615--628) |
| and , eCRM: Konzeption und Möglichkeiten zur Effizienzmessung [eCRM: Concepts and Options for Performance Evaluation] (2001), in: Praxis der Wirtschaftsinformatik, 221 |
| , and , Environmental Reporting in the Public Interest, in: Environmental Information Systems in Industry and Public Administration, Idea Group Publishing, 2001 |
| , Predictive Accuracy of Experimental Asset Markets, Institut für Wirtschaftsinformatik, 2001 |
2000
| and , A framework for ASP marketplaces, in: Opher Etzion - Proc. 5th International Conference on Cooperative Information Systems (CoopIS 2000), Springer-Verlag, 2000 |
| , AGORA, Ein Group Decision Support System (GDSS) zur rechnerbasierten Unterstützung von unstrukturierten, vollständigen Entscheidungsprozessen, Institut für Wirtschaftsinformatik, 2000 |
| Ausgezeichnete Informatikdissertationen 1999 [Excellent Dissertations in Computer Science 1999], Gesellschaft für Informatik, 2000 |
| and , Business models for ASP marketplaces, in: Proc. 8th European Conference on Information Systems, 2000 |
| , and , Business Service Management - Kulturwandel in der IT-Branche, in: THEXIS "New Marketing - New Business", 2000 |
| , and , Component Leasing on the World Wide Web (2000), in: Netnomics, 2(191--219) |
| , Die Einführung von Vorgangsbearbeitungssystemen in der öffentlichen Verwaltung als IT-organisatorischer Gestaltungsprozess, Institut für Wirtschaftsinformatik, 2000 |
| , Distributed Infrastructure Support for Electronic Commerce Applications, Institut für Wirtschaftsinformatik, 2000 |
| Environmental Markup Language (EML), Metropolis, 2000 |
| and , Pricing Models for ASP, in: Proc. International Telecommunications Society Conference, 2000 |
| Proc. 12th Int. Conf. on Scientific and Statistical Database Management, IEEE Publications, 2000 |
| , Qualitativer Ausbau von Diensten im WWW, Institut für Wirtschaftsinformatik, 2000 |
| , The Economics of an Integrated Services Internet, Institut für Wirtschaftsinformatik, 2000 |
1999
| , , , and , Benchmarking Spatial Joins A la Carte (1999), in: International Journal on Geographic Information Science, 13:7 |
| and , Beurteilung betrieblicher Umweltschutzsoftware [Assessing Environmental Management Information Systems] (1999), in: UmweltWirtschaftsForum, 7:1(83--86) |
| and , Business Concepts and Strategies for the ASP Market, in: Proc. 4th Workshop on Federated Databases, 1999 |
| , Intermediaries for Information Services, Institut für Wirtschaftsinformatik, 1999 |
| , Intertemporale Allokationen in einer stochastischen Umwelt; Experimentelle Studien, Institut für Wirtschaftsinformatik, 1999 |
| , Metainformationssysteme im Umweltbereich, Institut für Wirtschaftsinformatik, 1999 |
| and , On-Demand Application Integration: Business Concepts and Strategies for the ASP Market, in: 4th Workshop on Federated Databases, Shaker Verlag, 1999 |
| , , , and , Progress in computational methods for representing geographical concepts (1999), in: International Journal of Geographical Information Science, 13:8(775--796) |
1998
| , Additive Modelling and Testing Model Spezifikation, Institut für Wirtschaftsinformatik, 1998 |
| , Entwicklung statistischer Software: Entwurf- Implementation - Netzwerkschnittstellen, Institut für Wirtschaftsinformatik, 1998 |
| , Environmental Information Systems, Springer-Verlag, 1998 |
| and , From GISystems to GIServices: Spatial Computing in the Internet Marketplace, in: Interoperability in Geographic Information Systems, Kluwer Academic Publishers, 1998 |
| and , Metadata in Geographic and Environmental Data Management, in: Managing Multimedia Data: Using Metadata to Integrate and Apply Digital Data, McGraw-Hill, 1998 |
| and , Multidimensional Access Methods (1998), in: ACM Computing Surveys, 30:2 |
1997
| , Das Berlin-Brandenburger Graduiertenkolleg Verteilte Informationssysteme, Humboldt-Spektrum 3/97, 1997 |
| Constraint Databases and Applications, Springer-Verlag, Lecture Notes in Computer Science, volume 1191, 1997 |
| , Data structures for computational statistics, Institut für Wirtschaftsinformatik, 1997 |
| , Entwurf von betrieblichen Umweltinformationssystemen im Spannungsfeld von Umweltmanagement, Umwelthaftung und Kostenrechnung, Institut für Wirtschaftsinformatik, 1997 |
| , Environmental Information Systems - Introduction to the Special Issue (1997), in: SIGMOD Record, 26:1 |
| , Event Detection in Active Databases, Institut für Wirtschaftsinformatik, 1997 |
| , , , and , MMM: A WWW-Based Approach for Sharing Statistical Computing Modules (1997), in: IEEE Internet Computing, 1:3 |
| , Nonlinear time series analysis with applications to FX rate volatility, Institut für Wirtschaftsinformatik, 1997 |
| and , Oversize Shelves: A Storage Management Technique for Large Spatial Data Objects (1997), in: International Journal on Geographic Information Science, 11:1 |
1996
| and , Betriebliche Umweltinformationssysteme [Business Environmental Information Systems] (1996), in: UmweltWirtschaftsForum, 4:1 |
| , Extending Query Optimization for Spatial Database Systems, Institut für Wirtschaftsinformatik, 1996 |
1995
| , and , Environmental Monitoring: Models, Methods and Systems, in: Environmental Informatics, Kluwer Academic Publishers, 1995 |
| , Informationssysteme für den Umweltschutz - Möglichkeiten und Perspektiven, Humboldt-Spektrum 3/95, 1995 |
1994
| , Der Spatial Join in Geo-Datenbanksystemen, Institut für Wirtschaftsinformatik, 1994 |
| and , Object-Oriented Techniques for the Management of Geographic and Environmental Data (1994), in: The Computer Journal, 37:1 |
1993
| and , Performance Analysis of Three Curve Representation Schemes (1993), in: IEEE Computer Graphics and Applications, 13:3 |
| , , , and , RESEDA: A Knowledge-Based Advisory System for Remote Sensing (1993), in: Applied Intelligence, 13:4 |
| and , The Design of GODOT: An Object-Oriented Geographic Information System (1993), in: IEEE Data Engineering Bulletin, 16:3 |
1992
| Konzeption und Einsatz von Umweltinformationssystemen [Design and Practice of Environmental Information Systems], Springer-Verlag, Informatik-Fachberichte, volume 301, 1992 |
| Umweltanwendungen geographischer Informationssysteme [Environmental Applications of Geographic Information Systems], Wichmann, 1992 |
| Wissensbasierte Methoden zur Fernerkundung der Umwelt [Knowledge-Based Techniques for Remote Sensing in Environmental Management], Wichmann, 1992 |
1991
| and , A Dual Approach to Detect Polyhedral Intersections in Arbitrary Dimensions (1991), in: BIT, 31(2--14) |
| Advances in Spatial Databases, Springer-Verlag, Lecture Notes in Computer Science, volume 525, 1991 |
| , Implementation of Heuristic Search in an Expert Database System (1991), in: Decision Support Systems, 7:3 |
| , Räumliche Datenbanken [Spatial Databases] (1991), in: Informatik-Spektrum, 14:4 |
| and , Tree-Based Access Methods for Spatial Databases: Implementation and Performance Evaluation (1991), in: IEEE Transactions on Knowledge and Data Engineering, 3:3 |
| , Zur Ambivalenz des technischen Umweltschutzes und der Umweltinformatik [The Ambivalence of Technology and Computers in Environmental Protection], in: Inszenierungen von Information - Motive elektronischer Ordnung, Focus-Verlag, 1991 |
1990
| , Costly Information Acquisition, Stock Prices and Neoclassical Growth, Institut für Wirtschaftsinformatik, 1990 |
| Design and Implementation of Large Spatial Databases, Springer-Verlag, Lecture Notes in Computer Science, volume 409, 1990 |
| , Minimum K-Partitioning of Rectilinear Polygons (1990), in: Journal of Symbolic Computation, 9(457--483) |
| and , Research Issues in Spatial Databases (1990), in: IEEE Data Engineering Bulletin, 13:4 |
| and , The Arc Tree: An Approximation Scheme to Represent Arbitrary Curved Shapes (1990), in: Computer Vision, Graphics, and Image Processing, 51(313--337) |
1989
| and , Convex Polyhedral Chains: A Representation for Geometric Data (1989), in: Computer-Aided Design, 21:3 |
| , Der Zellbaum: Ein Index für geometrische Datenbanken [The Cell Tree: An Index for Geometric Databases] (1989), in: Informatik - Forschung und Entwicklung, 4:1 |
| and , The Arc Tree: An Approximation Scheme to Represent Arbitrary Curved Shapes, in: Foundations of Data Organization and Algorithms, Lecture Notes in Computer Science 367, Springer-Verlag, 1989 |
| and , The Implementation of the Cell Tree: Design Alternatives and Performance Evaluation, in: Datenbanksysteme in Büro, Technik und Wissenschaft, Informatik-Fachberichte 204, Springer-Verlag, 1989 |
1988
| , A Lower Bound and Two Approximative Algorithms for the K-Partitioning of Rectilinear Polygons, in: First Scandinavian Workshop on Algorithm Theory, Lecture Notes in Computer Science 318, Springer-Verlag, 1988 |
| , Efficient Structures for Geometric Data Management, Springer-Verlag, Lecture Notes in Computer Science, volume 337, 1988 |
| and , Hierarchische Darstellungsformen für Kurven [Hierarchical Representation Schemes for Curves], in: Austrographics 1988, Informatik-Fachberichte 183, Springer-Verlag, 1988 |
1987
| and , A Dual Approach to Detect Polyhedral Intersections in Arbitrary Dimensions, in: Proc. 25th Annual Allerton Conference on Communication, Control, and Computing, 1987 |
| and , A Dual Space Representation for Geometric Data, in: Proc. 13th International Conference on Very Large Data Bases, Brighton, 1987 |
| , An Expert Database System for the Overland Search Problem, in: Datenbanksysteme in Büro, Technik und Wissenschaft, Informatik-Fachberichte 136, Springer-Verlag, 1987 |
1985
| , Algorithms for the Minimum K-Partitioning of Rectilinear Polygons, in: Proc. 23rd Annual Allerton Conference on Communication, Control, and Computing, 1985 |
| , Essays on Robust Estimation in Econometrics, Institut für Wirtschaftsinformatik |
| , Least Trimmed Squares in Nonlinear Regression, Institut für Wirtschaftsinformatik |
| , Two Empirical Essays on the German Apprenticeship System and a Semiparametric Specification Test for Polychotomous Response Models, Institut für Wirtscaftsinformatik |