Publications

Journal publications:

Hars, A, Schlüter-Langdon, Chr. (2002): Webservices - Chancen und Risiken für verteilte Informationssysteme. In Information Management, vol. 17, no. 3.

Hars, A.: Speech-enabled information systems: The next frontier. Communications of the AIS vol. 8 (2002), pp. 219-231.

Hars, A.; Ou, S.: Working for free? - Motivations for participating in open source projects. International Journal of Electronic Commerce vol. 6, no. 2 (2001), pp. 25-39.

Hars, A.: Designing scientific knowledge infrastructures: The contribution of epistemology. Information Systems Frontiers vol. 3 (2001), no. 1, pp.63-73.

Hars, A.; El Sawy, O.; Gosain, S.; Hirt, S.; Im, I.; Kang, D.; Lee, Z.; Raven, A.: Reengineering information systems research for the electronic economy. Journal of Electronic Commerce, vol. 10 (2000), no. 2, pp.67-83.

Hars, A.: Web-based knowledge infrastructures for the sciences: An adaptive document. Communications of the AIS, vol. 4 (2000), no. 1.

Im, I.; El Sawy, O.; Hars, A.: Competence and impact of tools for business process reengineering. In Information & Management vol. 36, no. 6 (1999), pp. 301-311.

Hars, A.: Natural language-based data modeling: Improving validation and integration. In: Journal of Database Management, vol. 9, no. 2 (Spring 1998), pp.17-25.

Hars, A.: Computergestützte Generierung von Prozessmodellen. In: Information Management, vol. 13, no. 2 (1998), pp. 66-70.

Hars, A.; Scheer, A.-W.: Paradigmenwechsel im Informationsmanagement. In: Information Management, vol. 9, no. 2 (1994), pp. 6-11.

Kruse, Chr.; Hars, A.; Heib, R.; Scheer, A.-W.: Ways of utilizing reference models for data engineering in CIM. In: International Journal of Flexible Automation and Integrated Manufacturing, Vol.1 No.1, 1993, pp.47-58.

Scheer, A.-W., Hars, A.: Extending data modeling to cover the whole enterprise. In: Communications of the ACM, 35 (1992), pp.320-328.

Hars, A.; Scheer, A.-W.: Datenstrukturierung - Grundlage der Gestaltung betriebswirtschaftlicher Informationssysteme. In: Information Management (1991), 1, pp.41-48.

Hars, A.; Scheer, A.-W.: Stand und Entwicklungstendenzen von Leitständen. In: CIM Management 3/1993, pp.S33-S.36.

Scheer, A.-W.; Hars, A.: Entwicklungsstand von Leitständen. In: VDI-Z 132 (1990) Nr. 3, pp. 20-26.

Books and book chapters:

Hars, A.: From publishing to knowledge networks: Redesigning online knowledge infrastructures. Heidelberg (Springer), 2003.

Hars, A.: Using BPR tools in business process education. In: Scheer, A.W. et al. (eds.) (2002): Business Process Excellence: ARIS in practice. Heidelberg (Springer), pp. 175-186.

Hars, A.: Knowledge-based reengineering of business processes. In Elzinga, D.J., Gulledge, T., Lee, C-Y.: Business process reengineering: Advancing the state of the art. Dordrecht, Netherlands (Kluwer), 1999, pp.213-222.

Hars, A.: Referenzdatenmodelle - Grundlagen effizienter Datenmodellierung.Wiesbaden (Gabler) 1994.

Brombacher, R.; Hars, A.; Scheer, A.-W.: Informationsmodellierung. In: Scheer, A.-W. (ed.): Handbuch Informationsmanagement, Berlin (Gabler), 1993, pp. 173-188.

Scheer, A.-W.; Hars, A.: Enterprise modelling - Basis for information systems design. In: Schader, M. (ed.): Analyzing and Modeling Data and Knowledge. Berlin, 1992, pp.217-224.

Hars, A.; Scheer, A.-W.: Reference models for enterprise-wide data engineering. In: Petrie, C.J. (ed.): Enterprise Integration Modeling, Cambridge 1992.

Hars, A.; Scheer, A.-W.: Enterprise-wide data modelling - the basis for integration. In Tzafestas, S.G. (ed.): Engineering Systems with Intelligence. Dordrecht, 1991, pp.541-548.

Scheer, A.-W.; Hars, A.: The Leitstand - A New Tool for Decentral Production Control. In Fandel, G.; Zaepfel, G. (eds.): Modern Production Concepts. Berlin 1991, pp.370-385.

Hars, A.; Scheer, A.-W.: Stand und Entwicklungstendenzen von Leitstaenden. In: Scheer, A.-W.: Fertigungssteuerung - Expertenwissen fuer die Praxis. Wien (Oldenbourg), 1991, pp.247-267.

Hars, A.; Scheer, A.-W.: Leitstaende - Ein neues Instrumentarium zur Fertigungssteuerung. In: v. Behr, M.; Koehler, Ch. (eds.): Werkstattoffene CIM-Konzepte - Alternativen für CAD/CAM und Fertigungssteuerung. Projektträgerschaft Fertigungstechnik. Forschungsbericht KfK-Pft 157, Juni 1990, pp. 51-78.

Scheer, A.-W.; Hars, A.; Klein, J.: Das Informationsmanagementsystem INMAS - ein Wegbereiter für CIM. In Zahn, E. (ed.): Organisationsstrategie und Produktion, Hochschulgruppe Arbeits- und Betriebsorganisation HAB e.V.; Research Report 2, München, 1990, pp.425-456.

Refereed articles:

Hars, A.; Zhong, J.: Conversation systems for requirements engineering. In Straub, D.; Strong, D. (eds.): Proceedings of the 2001 Americas Conference on Information Systems, Boston, 2001, 6p.

Hars, A.; Ou, S.: Working for free? - Motivations for participating in open source projects. In: Sprague, R.H. (Hrsg.): Proceedings 34th HICSS Conference. Maui, 2001, 9p.

Hars, A.; Ou, S.: Why is Open Source viable? A study of intrinsic motivation, personal needs and future returns. In: Chung, M. (ed.): Proceedings of the 2000 Americas Conference on Information Systems, Long Beach 2000, pp. 486-490.

Hars, A.: Academic Journals on the Internet. In: Scheer, A.-W.; Nüttgens, M. (eds.): Electronic Business Engineering. Heidelberg (Physica), 1999, pp. 83-95.

Hars, A.: USC Cybrarium: An infrastructure for the creation and management of information systems knowledge. In: Baets, W.R.J. (ed.): Proceedings 6th European conference on information systems, Aix-en-provence, 1998, pp. 75-85.

Hars, A.: Academic knowledge management infrastructures: Information Systems Cybrarium. In: Proceedings of the 4th AIS Americas Conference on Information Systems 1998, pp.1119-1121.

Im, I.; Hars, A.: Knowledge reuse - Insights from software reuse. In: Proceedings of the 4th AIS Americas Conference on Information Systems 1998, pp.601-603.

Malhotra, A.; .Gosain, S.; Hars, A.: Evolution of a Virtual Community: Understanding Design Issues through a Longitudinal Study. In: K. Kumar, J.I. DeGross: Proceedings 18th ICIS Conference 1997, pp. 59-73.

Hars, A.; Malhotra, A.: Emerging Web-Based Knowledge Bases: Categories, Trends and Implications for the IS Community: In: J.D. Gupta (ed.): Proceedings of the 3rd AIS Americas Conference on Information Systems 1997, pp.378-380.

Im, I.; El Sawy, O.; Hars, A.: Business process reengineering: Do software tools matter? In J.D. Gupta (ed.): Proceedings of the 3rd AIS Americas Conference on Information Systems 1997, pp.670-672. Hars, A.: Advancing CASE productivity by using natural language processing and computerized ontologies: The ACAPULCO system. In: Carey, J. (ed.): Proceedings of the 2nd AIS Americas Conference on Information Systems, Phoenix, 1996, pp. 898-900.

Hars, A.; Marchewka, J.T.: Eliciting and mapping business rules to IS design: Introducing a natural language CASE tool. In: Ebert, R.J; Franz, L.: 1996 Proceedings Decision Sciences Institute, Vol.2, Orlando 1996, pp. 533-535.

Hars, A.; Zimmermann, V.; Scheer, A.-W.: Entwicklungslinien fuer die computergestuetzte Modellierung von Aufbau- und Ablauforganisation. Publications of the Institut fuer Wirtschaftsinformatik no.105 A.W. Scheer (ed.), Saarbruecken 1993.

Hars, A.; Klein, J.: INMAS - A uniform approach to data exchange in heterogeneous environments. In: CARs & FOF, Proceedings of the 8th International Conference on CAD/CAM, Robotics and Factories of the Future, Metz 1992, pp.523-533.

Hars, A.; Heib, R.; Kruse, Chr.; Michely, J.; Scheer, A.-W.: Approach to Classification for Information Engineering - Methodology and Tool Specification. Publications of the Institut fuer Wirtschaftsinformatik no. 92, A.-W. Scheer (ed.), Saarbruecken 1992.

Hars, A.; Heib, R.; Kruse, Chr.; Michely, J., Scheer, A.-W.: Reference Models for Data Engineering in CIM. In O'Brien, C.; MacConnail, P.; Van Puymbroeck, W. (eds.), Computer Integrated Manufacturing - Proceedings of the Eighth CIM-Europe Annual Conference. London 1992, pp. 249-260.

Scheer, A.-W.; Hars, A.: From CIM to enterprise-wide data modeling. In: Lim, B.S. (ed.): Proceedings of the International Conference on Computer Integrated Manufacturing ICCIM'91, Singapore 1991, pp.89-92.

Hars, A.; Heib, R.; Kruse, Chr.; Michely, J.; Scheer, A.-W.: Concepts of current data modelling methodologies - Theoretical foundations. Publications of the Institut fuer Wirtschaftsinformatik no.83, Saarbruecken, 1991.

Hars, A.; Heib, R.; Kruse, Chr.; Michely, J.; Scheer, A.-W.: Concepts of current data modelling methodologies - A survey. Publications of the Institut fuer Wirtschaftsinformatik no.84, Saarbruecken, 1991.

Hars, A.: CIDAM - Modules for the Integration of CIM. In: Faria, L.; Van Puymbroeck, W. (eds.): Computer Integrated Manufacturing - Proceedings of the Sixth CIM Europe Annual Conference, Berlin, 1990, pp.286-295.

Hars, A.; Scheer, A.-W.: Entwicklungsstand von Leitständen. Veröffentlichungen des Instituts für Wirtschaftsinformatik, Scheer, A.-W. (ed.) no.65, Saarbruecken 1989.