Publications

• "Context-awareness in Mobile Tourism Guides".
  Co-Authors: Grün Christoph, Pröll Birgit, Rasinger Jörg, Retschitzegger Werner.
  HANDBOOK OF RESEARCH IN MOBILE MULTIMEDIA, 2nd edition, Khalil-Ibrahim Ismail (ed.), IGI Global, USA, 2008 (to appear).

• "Modeling Web Applications".
  Co-Author: Koch Nora. Book chapter.
  In: WEB ENGINEERING - THE DISCIPLINE OF SYSTEMATIC DEVELOPMENT OF WEB APPLICATIONS, Kappel Gerti, Pröll Birgit, Reich Siegfried, Retschitzegger Werner (eds.), Wiley Publishers, ISBN 0-470-01554-3, June 2006.

• Das Aktivitätsdiagramm".
  Book chapter. In: UML@WORK - OBJEKTORIENTIERTE MODELLIERUNG MIT UML2, Hitz Martin, Kappel Gerti, Retschitzegger Werner, Kapsammer Elisabeth, dpunkt-Verlag, ISBN 3-89864-261-5, September 2005.

• "Modellierung von Web-Anwendungen".
  Co-Author: Koch Nora.
  Book chapter. In: WEB ENGINEERING - SYSTEMATISCHE ENTWICKLUNG VON WEB-ANWENDUNGEN, Kappel Gerti, Pröll Birgit, Reich Siegfried, Retschitzegger Werner (eds.), dpunkt-Verlag, ISBN-3-89864-234-8, Oktober 2003.

• "Ein UML-basiertes Framework zur Modellierung ubiquitärer Web-Anwendungen".
  Co-Authors: Hitz Martin, Kappel Gerti, Retschitzegger Werner.
  In: UML@work 2, Hitz Martin, Kappel Gerti (eds.), dpunkt-Verlag, ISBN 3-89864-194-5, September 2002.

• "A Survey on UML-based Aspect-Oriented Design Modeling".
  Co-Authors: Wimmer Manuel, Schauerhuber Andrea, Kappel Gerti, Retschitzegger Werner, Kapsammer Elisabeth.
  to appear in: ACM Computing Surveys, ACM USA, 2010.
• "Semantics for Accurate Conflict Detection in SMoVer: Specification, Detection and Presentation by Example".
  Co-Authors: Altmanninger Kerstin, Kotsis Gabriele.
  accepted for: INTERNATIONAL JOURNAL OF ENTERPRISE INFORMATION SYSTEMS (IJEIS), IGI Publishing, USA, Vol. 6, No. 1, ISSN 1548-1115, JAN-MAR/2010.

• "A Survey on Web Modeling Approaches for Ubiquitous Web Applications".
  Co-Authors: Pröll Birgit, Schauerhuber Andrea, Wimmer Manuel, Retschitzegger Werner, Fraternali Piero, Garrigós Irene, Garzotto Franca, Houben Geert-Jan, De Troyer Olga, Castelyn Sven, Rossi Gustavo, Schwabe Daniel, Koch Nora, Gomes Jaime, Cristina Cachero, Pastor Oscar, Vallecillo Antonio, Ginige Athula, Paolino Paolo.
  In: INTERNATIONAL JOURNAL OF WEB INFORMATION SYSTEMS (IJWIS), Emerald, USA, Issue 3, 2008.

• "Bridging WebML to Model-Driven Engineering: From DTDs to MOF".
  Co-Authors: Kappel Gerti, Kapsammer Elisabeth, Schauerhuber Andrea, Wimmer Manuel, Retschitzegger Werner.
  In: IET SOFTWARE, Volume 1, Issue3, The Institution of Engineering and Technology, ISSN 1751-8806, June 2007.

• "Context-Awareness and Artificial Intelligence".
  Co-Authors: Pichler Mario, Bodenhofer Ulrich.
  In: ÖGAI JOURNAL, Österreichische Gesellschaft für Artificial Intelligence (ÖGAI), 23/1, ISSN 0254-4326, April 2004.

• "Customisation for Ubiquitous Web Applications - A Comparison of Approaches".
  Co-Authors: Kappel Gerti, Pröll Birgit, Retschitzegger Werner.
  In: INTERNATIONAL JOURNAL OF WEB ENGINEERING AND TECHNOLOGY (IJWET), Vol. 1, Issue 1, Inderscience Publishers, ISSN 1476-1289, January 2003.

• "Ein UML-basiertes Framework zur Modellierung ubiquitärer Web-Anwendungen".
  Co-Authors: Hitz Martin, Kappel Gerti, Retschitzegger Werner.
  In: WIRTSCHAFTSINFORMATIK, Volume 44, Issue 3, Vieweg Verlag, ISSN 0937 6429, June 2002.

• "On Optimization of Predictions in Ontology-Driven Situation Awareness".
  Co-Authors: Baumgartner Norbert, Gottesheim Wolfgang, Mitsch Stefan, Retschitzegger Werner.
  In: PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON KNOWLEDGE SCIENCE, ENGINEERING AND MANAGEMENT (KSEM2009), Vienna, Austria, November 2009.
• "Right or Wrong? – Verification of Model Transformations using Colored Petri Nets".
  Co-Authors: Wimmer Manuel, Kappel Gerti, Kusel Angelika, Retschitzegger Werner, Schönböck Johannes.
  In: PROCEEDINGS OF THE 9TH OOPSLA WORKSHOP ON DOMAIN-SPECIFIC MODELING, Orlando, Florida, USA, October 2009.
• "Same, Same but Different – A Survey on Duplicate Detection Methods for Situation Awareness".
  Co-Authors: Baumgartner Norbert, Gottesheim Wolfgang, Mitsch Stefan, Retschitzegger Werner.
  In: PROCEEDINGS OF THE 8TH INTERNATIONAL CONFERENCE ON ONTOLOGIES, DATABASES, AND APPLICATIONS OF SEMANTICS (ODBASE2009)Vilamoura, Algarve-Portugal, November 2009.
• "Reviving QVT Relations: Model-based Debugging using Colored Petri Nets".
  Co-Authors: Wimmer Manuel, Kusel Angelika, Schönböck Johannes, Kappel Gerti, Retschitzegger Werner.
  In: PROCEEDINGS OF THE ACM/IEEE 12TH INTERNATIONAL CONFERENCE ON MODEL-DRIVEN ENGINEERING LANGUAGES AND SYSTEMS (MODELS2009), [7 % acceptance rate for short papers], Denver, Colorado, USA, October 2009.
• "An Example is Worth a Thousand Words: Composite Operation Modeling By-Example".
  Co-Authors: Brosch Petra, Langer Philip, Seidl Martina, Wieland Konrad, Wimmer Manuel, Kappel Gerti, Retschitzegger Werner.
  In: PROCEEDINGS OF THE ACM/IEEE 12TH INTERNATIONAL CONFERENCE ON MODEL-DRIVEN ENGINEERING LANGUAGES AND SYSTEMS (MODELS2009), [13 % acceptance rate], Denver, Colorado, USA, October 2009.
• "Let's Play the Token Game – Model Transformations Powered By Transformation Nets".
  Co-Authors: Wimmer Manuel, Kusel Angelika, Johannes Schönböck, Thomas Reiter, Retschitzegger Werner.
  In: PROCEEDINGS OF THE INTERNATIONAL WORKSHOP ON PETRI NETS AND SOFTWARE ENGINEERING, A satellite event of 30th International Conference on Application and Theory of Petri Nets and Other Models of Concurrency (PNSE2009), Paris, France, June 2009.
• "Common Pitfalls of Using QVT Relations – Graphical Debugging as Remedy".
  Co-Authors: Kusel Angelika, Wimmer Manuel, Retschitzegger Werner.
  In: PROCEEDINGS OF THE 14TH IEEE INTERNATIONAL CONFERENCE ON ENGINEERING OF COMPLEX COMPUTER SYSTEMS (ICECCS2009), Potsdam, Germany, 2009.
• "Lost in Translation? Transformation Nets to the Rescue!".
  Co-Authors: Wimmer Manuel, Kusel Angelika, Thomas Reiter, Retschitzegger Werner, Kappel Gerti.
  In: PROCEEDINGS OF THE 3RD INTERNATIONAL UNITED INFORMATION SYSTEMS CONFERENCE (UNISCON2009), Sydney, Australia, April 2009.

• "AMOR – Towards Adaptable Model Versioning".
  Co-Authors: Altmanninger Kerstin, Kappel Gerti, Kusel Angelika, Retschitzegger Werner, Seidl Martina, Wimmer Manuel.
  In: PROCEEDINGS OF THE 1ST INTERNATIONAL WORKSHOP ON MODEL CO-EVOLUTION AND CONSISTENCY MANAGEMENT (MCCM2008), Toulouse, France, September/October 2008.
• "Assisting Tourists on the Move - An Evaluation of Mobile Tourist Guides".
  Co-Authors: Grün Christoph, Pröll Birgit, Retschitzegger Werner, Werthner Hannes.
  In: PROCEEDINGS OF THE 7TH INTERNATIONAL CONFERENCE ON MOBILE BUSINESS (ICMB2008), Barcelona, July 2008.
• "Application Scenarios of Ontology-Driven Situation Awareness Systems".
  Co-Authors: Baumgartner Norbert, Retschitzegger Werner.
  In: PROCEEDINGS OF THE 3RD WORKSHOP ONF FORMAL ONTOLOGIES MEET INDUSTRY (FOMI2008), Trento, June 2008.
• "A Framework for Building Mapping Operators Resolving Structural Heterogeneities".
  Co-Authors: Kappel Gerti, Kargl Horst, Reiter Thomas, Retschitzegger Werner, Strommer Michael, and Wimmer Manuel.
  In: PROCEEDINGS OF THE 7TH INTERNATIONAL CONFERENCE ON INFORMATION SYSTEMS TECHNOLOGIES AND ITS APPLICATIONS (ISTA), Klagenfurt, April 2008.
• "A Software Architecture for Ontology-Driven Situation Awareness".
  Co-Authors: Baumgartner Norbert, Retschitzegger Werner.
  In: PROCEEDINGS OF THE 23RD ANNUAL ACM SYMPOSIUM ON APPLIED COMPUTING (ACM SAC), Fortaleza, Ceará, Brazil, March 2008.

• "Exploring Model Engineering Techniques for the Integration of Heterogeneous Context Models".
  In: PROCEEDINGS OF THE 5TH INTERNATIONAL CONFERENCE ON ADVANCES IN MOBILE COMPUTING & MULTIMEDIA (MOMM2007), Jakarta, Indonesia, December 2007 (to appear).
• "Semantically Enhanced Conflict Detection between Model Versions in SMoVer by Example".
  Co-Authors: Altmanninger Kerstin, Bergmayr Alexander, Kotsis Gabriele.
  To appear in: PROCEEDINGS OF THE INTERNATIONAL WORKSHOP ON SEMANTIC-BASED SOFTWARE DEVELOPMENT, in conjunction with INTERNATIONAL CONFERENCE ON OBJECT-ORIENTED PROGRAMMING, SYSTEMS, LANGUAGES AND APPLICATIONS (OOPSLA), Montréal, Canada, October 2007.
• "A Semi-automatic Approach for bridging DSLs with UML".
  Co-Authors: Manuel Wimmer, Andrea Schauerhuber, Michael Strommer, Gerti Kappel.
  In: PROCEEDINGS OF THE 7TH OOSLA WORKSHOP ON DOMAIN-SPECIFIC MODELING (DSM'07), in conjunction with INTERNATIONAL CONFERENCE ON OBJECT-ORIENTED PROGRAMMING, SYSTEMS, LANGUAGES AND APPLICATIONS, ISBN 978-951-39-2915-2, Montréal, Canada, October 2007.
• "MDWEnet: A Practical Approach to Achieving Interoperability of Model-Driven Web Engineering Methods".
  Co-Authors: Vallecillo Antonio, Koch Nora, Cachero Cristina, Comai Sara, Fraternali Piero, Garrigós Irene, Gómez Jaime, Kappel Gerti, Knapp Andreas, Matera Maristella, Meliá Santiago, Moreno Nathalie, Pröll Birgit, Reiter Thomas, Retschitzegger Werner, Rivera José E., Schauerhuber Andrea, Wimmer Manuel, Zhang Gefei.
  In: PROCEEDINGS OF THE 3RD INTERNATIONAL WORKSHOP ON MODEL-DRIVEN WEB ENGINEERING (MDWE 2007), in conjunction with INTERNATIONAL CONFERENCE ON WEB ENGINEERING, ISBN 978-88-902405-2-2, Como Italy, July 2007.
• "On the Integration of Web Modeling Languages: Preliminary Results and Future Challenges".
  Co-Authors: Wimmer Manuel, Schauerhuber Andrea, Kargl Horst.
  In: PROCEEDINGS OF THE 3RD INTERNATIONAL WORKSHOP ON MODEL-DRIVEN WEB ENGINEERING (MDWE 2007), in conjunction with INTERNATIONAL CONFERENCE ON WEB ENGINEERING, ISBN 978-88-902405-2-2, Como Italy, July 2007.
• "Of Situations and Their Neighbors: Evolution and Similarity in Ontology-Based Approaches to Situation Awareness".
  Co-Authors: Baumgartner Norbert, Retschitzegger Werner, Kotsis Gabriele, Schwietering Christoph.
  In: PROCEEDINGS OF THE 6TH INTERNATIONAL AND INTERDISCIPLINARY CONFERENCE ON MODELING AND USING CONTEXT (CONTEXT 2007), Springer, Lecture Notes in Computer Science (LNCS 4635), ISBN: 978-3-540-74254-8, Roskilde, Denmark, August 2007.
• "Models In Conflict - Detection of Semantic Conflicts in Model-based Development".
  Co-Authors: Reiter Thomas, Altmanninger Kerstin, Bergmayr Alexander, Kotsis Gabriele.
  In: PROCEEDINGS OF 3RD INTERNATIONAL WORKSHOP ON MODEL-DRIVEN ENTERPRISE INFORMATION SYSTEMS (MDEIS-2007), in conjunction with 9TH INTERNATIONAL CONFERENCE ON ENTERPRISE INFORMATION SYSTEMS, Funchal, Madeira - Portugal, June 2007.
• "Lost in Space and Time and Meaning - An Ontology-Based Approach to Road Traffic Situation Awareness".
  Co-Authors: Baumgartner Norbert, Retschitzegger Werner.
  In: PROCEEDING OF 3RD WORKSHOP ON CONTEXT AWARENESS FOR PROACTIVE SYSTEMS (CAPS 2007), Guildford, United Kingdom, June 2007.
• "Aspect-Oriented Modeling of Ubiquitous Web Applications: The aspectWebML Approach".
  Co-Authors: Schauerhuber Andrea, Wimmer Manuel, Kapsammer Elisabeth, Retschitzegger Werner.
  In: PROCEEDINGS OF THE 14TH ANNUAL IEEE INTERNATIONAL CONFERENCE AND WORKSHOPS ON THE ENGINEERING OF COMPUTER-BASED SYSTEMS (MBD/ECBS 2007), IEEE Computer Society, ISBN: 0-7695-2772-8, Tucson, Arizona, USA, March 2007.

• "Lifting Metamodels to Ontologies: A Step to the Semantic Integration of Modeling Languages".
  Co-Authors: Kappel Gerti, Kapsammer Elisabeth, Kargl Horst, Kramler Gerhard, Reiter Thomas, Retschitzegger Werner, Wimmer Manuel.
  In: PROCEEDING OF ACM/IEEE 9TH INTERNATIONAL CONFERENCE ON MODEL DRIVEN ENGINEERING LANGUAGES AND SYSTEMS (MODELS/UML 2006), Springer, Lecture Notes in Computer Science (LNCS 4199), ISBN: 978-3-540-45772-5, Genova, Italy, October 2006.
• "Model-Based Tool Integration - State of the Art and Future Perspectives".
  Co-Authors: Kapsammer, Elisabeth, Reiter Thomas.
  In: PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON CYBERNETICS AND INFORMATION TECHNOLOGIES, SYSTEMS AND APPLICATIONS (CITSA 2006), IIIS, ISBN: 980-6560-83-3, Orlando, USA, July 2006.
• "Enabling API-based Tool Integration through Aspect-Orientation".
  Co-Authors: Reiter Thomas, Retschitzegger Werner, Schauerhuber Andrea, Kapsammer Elisabeth.
  In: PROCEEDINGS OF 2ND WORKSHOP ON MODELS AND ASPECTS - HANDLING CROSSCUTTING CONCERNS IN MDSD, in conjunction with European Conference on Object-Oriented Programming (ECOOP 2006), Nantes, France, July 2006.
• "A Generator Framework for Domain-Specific Model Transformation Languages".
  Co-Authors: Kapsammer, Elisabeth, Reiter Thomas, Retschitzegger Werner, Stumpner Martin.
  In PROCEEDINGS OF 8TH INTERNATIONAL CONFERENCE ON ENTERPRISE INFORMATION SYSTEMS (ICEIS 2006), INSTICC Press, ISBN: 972-8865-41-4, Paphos, Cyprus, May 2006.
• "Towards A Semantic Infrastructure Supporting Model-based Tool Integration".
  Co-Authors: Kappel Gerti, Kapsammer Elisabeth, Kramler Gerhard, Reiter Thomas, Retschitzegger Werner.
  In: PROCEEDINGS OF THE 1ST INTERNATIONAL WORKSHOP ON GLOBAL INTEGRATED MODEL MANAGEMENT (GAMMA 2006), ACM Press, ISBN: 1-59593-410-3, Shanghai, China, May 2006.
• "On Models and Ontologies - A Layered Approach for Model-based Tool Integration".
  Co-Authors: Kappel Gerti, Kapsammer Elisabeth, Kargl Horst, Kramler Gerhard, Reiter Thomas, Retschitzegger Werner, Wimmer Manuel.
  In: PROCEEDINGS OF MODELLIERUNG 2006, Lecture Notes in Informatics (LNI), Köllen Druck + Verlag GmbH, ISBN: 3-88579-176-5, Innsbruck, Austria, March 2006.
• "Towards a Common Reference Architecture for Aspect-Oriented Modeling".
  Co-Authors: Schauerhuber Andrea, Kapsammer Elisabeth, Retschitzegger Werner, Wimmer Manuel.
  In: PROCEEDINGS OF THE 8TH INTERNATIONAL WORKSHOP ON ASPECT-ORIENTED MODELING (AOM 2006), electronic proceedings, Bonn, Germany, March 2006.
• "Pinpointing Tourism Information onto Mobile Maps - A Light-Weight Approach".
  Co-Authors: Grün Christoph, Pröll Birgit, Retschitzegger Werner, Werthner Hannes.
  In: PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON INFORMATION AND COMMUNICATION TECHNOLOGY IN TOURISM (ENTER 2006), Springer, ISBN: 978-3-211-30987-2, Lausanne, Switzerland, January 2006.

• "A light-weight Framework for Location-based Services".
  Co-Authors: Grün Christoph, Pröll Birgit, Retschitzegger Werner.
  In: PROCEEDINGS OF THE OTM 2005 WORKSHOP ON CONTEXT-AWARE MOBILE SYSTEMS (CAMS 2005), Springer, Lecture Notes in Computer Science (LNCS 3762), ISBN: 3-540-29739-1, Agia Napa, Cyprus, October/November 2005.
• "Towards an Ontology-based Customization Approach for Supporting People with Special Needs".
  Co-Authors: Retschitzegger Werner, Pühretmair Franz, Nussbaum Gerhard.
  In: PROCEEDINGS OF THE 7TH INTERNATIONAL CONFERENCE ON INFORMATION INTEGRATION AND WEB BASED APPLICATIONS & SERVICES (IIWAS 2005), OCG, ISBN: 3-85403-196-3, Kuala Lumpur, Malaysia, September 2005.
• "Model Integration Through Mega Operations".
  Co-Authors: Reiter Thomas, Kapsammer Elisabeth, Retschitzegger Werner.
  In: PROCEEDINGS OF THE WORKSHOP ON MODEL-DRIVEN WEB ENGINEERING (MDWE 2005), University of Wollongong, Sydney, ISBN: 1-74128-105-9, Sydney, Australia, July 2005.
• "Bridging Relational Databases to Context-Aware Services".
  Co-Authors: Kapsammer Elisabeth, Retschitzegger Werner.
  In: PROCEEDINGS OF THE CAISE WORKSHOP UBIQUITOUS MOBILE INFORMATION AND COLLABORATION SYSTEMS (UMICS 2005), FEUP, ISBN: 972-752-077-4, Porto, Portugal, June 2005.

• "Personal Decision Support through Mobile Computing".
  Co-Author: Kronsteiner Reinhard.
  In: PROCEEDINGS OF THE 2ND INTERNATIONAL CONFERENCE ON ADVANCES IN MOBILE MULTIMEDIA (MOMM 2004), OCG, ISBN: 3 85403-184-X, Bali, Indonesia, September 2004.
• "Ubiquitous Access to Cultural Tourism Portals".
  Co-Author: Garzotto Franca, Paolini Paolo, Speroni Marco, Pröll Birgit, Retschitzegger Werner.
  In: PROCEEDINGS OF THE 3RD INTERNATIONAL WORKSHOP ON PRESENTING AND EXPLORING HERITAGE ON THE WEB (PEH 2004), IEEE Computer Society Press, ISBN: 0 7695-2195-9, Zaragoza, Spain, August/September 2004.
• "Making Quality a First-Class Citizen in Web Engineering".
  Co-Authors: Grünbacher Paul, Ramler Rudolf, Retschitzegger Werner.
  In: PROCEEDINGS OF THE 2ND WORKSHOP ON SOFTWARE QUALITY (SQW), in conjunction with the International Conference on Software Engineering (ICSE 2004), Institution of Engineering and Technology, ISBN: 0-86341-428-1, Edinburgh, Scotland, United Kingdom, May 2004.

• "Mapping Abstractions of Norms in Electronic Institutions".
  Co-Authors: Khalil Ibrahim Ismail, Kotsis Gabriele.
  In: PROCEEDINGS OF THE 12TH IEEE INTERNATIONAL WORKSHOP ON ENABLING TECHNOLOGIES: INFRASTRUCTURES FOR COLLABORATIVE ENTERPRISES (WETICE 2003), IEEE Computer Society, ISBN: 0-7695-1963-6, Linz, Austria, June 2003.

• "Ubiquitous Web Applications".
  Co-Authors: The UWA Consortium.
  In: PROCEEDINGS OF THE EBUSINESS AND EWORK CONFERENCE (E-2002), IOS Press, ISBN: 1-58603-284-4, Prague, Czeck Republic, October 2002.
• "Web Engineering for Intranets: Rethinking Software Engineering".
  Co-Authors: Khalil-Ibrahim Ismail, Weippl Edgar, Winiwarter Werner.
  In: PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON INFORMATION INTEGRATION AND WEB-BASED APPLICATIONS AND SERVICES (IIWAS 2002), SCS-European Publishing House, ISBN: 3 936150-18-4, Bandung, Indonesia, September 2002.
• "A Quality-Driven Approach to Web Testing".
  Co-Authors: Ramler Rudolf, Weippl Edgar, Winterer Mario, Altmann Josef.
  In: PROCEEDINGS OF IBERO AMERICAN CONFERENCE ON WEB ENGINEERING 2002 (ICWE 2002), Anales JAIIO, ISSN: 1666-114, Santa Fe, Argentinia, September 2002.
• "Ubiquitous Web Application Development - A Framework for Understanding".
  Co-Authors: Finkelstein Anthony, Savigni Andrea, Kappel Gerti, Retschitzegger Werner, Pröll Birgit, Kimmerstorfer Eugen, Hofer Thomas, Feichtner Christian.
  In: PROCEEDINGS OF THE 6TH MULTICONFERENCE ON SYSTEMICS, CYBERNETICS AND INFORMATICS (SCI 2002), Web-Engineering Track, ISBN: 980-07-8150-1, Orlando, Florida, USA, July 2002.
• "The UWA Approach to Modeling Ubiquitous Web Applications".
  Co-Authors: The UWA Consortium.
  In: PROCEEDINGS OF THE IST MOBILE & WIRELESS TELECOMMUNICATIONS SUMMIT, ISBN: 960-91918-0-0, Thessaloniki, Greece, June 2002.
• "Towards a Generic Customisation Model for Ubiquitous Web Applications".
  Co-Authors: Kappel Gerti, Retschitzegger Werner, Kimmerstorfer Eugen, Pröll Birgit, Hofer Thomas.
  In: PROCEEDINGS OF THE INTERNATIONAL WORKSHOP ON WEB-OBJECT TECHNOLOGY (IWWOST 2002), Malaga, Spain, June 2002.
• "Modeling Norms in Electronic Institutions".
  Co-Authors: Dignum Frank, Khalil-Ibrahim Ismail, Weippl Edgar.
  In: PROCEEDINGS OF THE INTERNATIONAL WORKSHOP ON AGENT-BASED SIMULATION (ABS 2002), SCS European Publishing House, ISBN: 3-936150-17-6, Passau, Germany, April 2002.
• "Customising Web Applications Towards Ubiquity - The Notation and the Issues".
  Co-Authors: Kappel Gerti, Retschitzegger Werner, Kimmerstorfer Eugen, Pröll Birgit, Hofer Thomas.
  In: W3C WORKSHOP ON DELIVERY CONTEXT, Extended Position Paper, INRIA, Sophia-Antipolis, France, March 2002.
• "Context-Awareness on Mobile Devices - The Hydrogen Approach".
  Co-Authors: Hofer Thomas, Pichler Mario, Leonhartsberger Gerhard, Altmann Josef, Retschitzegger Werner.
  In: PROCEEDINGS OF THE 36TH HAWAIIAN INTERNATIONAL CONFERENCE ON SYSTEM SCIENCE (HICSS-36), MINITRACK ON MOBILE DISTRIBUTED INFORMATION SYSTEMS, IEEE Computer Society, ISBN: 0-7695-1874-5, Waikoloa Village, Big Island, Hawaii, January 2002.

• "Modeling Ubiquitous Web Applications - The WUML Approach".
  Kappel Gerti, Retschitzegger Werner.
  In: PROCEEDINGS OF THE INTERNATIONAL WORKSHOP ON DATA SEMANTICS IN WEB INFORMATION SYSTEMS (DASWIS 2001), Springer, Lecture Notes in Computer Science (LNCS 2465), ISBN: 3-540-44122-0, Yokohama, Japan, November 2001.
• "Modeling Ubiquitous Web Applications - A Comparison of Approaches".
  Co-Authors: Kappel Gerti, Retschitzegger Werner, Hofer Thomas.
  In: PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON INFORMATION INTEGRATION AND WEB-BASED APPLICATIONS AND SERVICES (IIWAS 2001), OCG, ISBN: 3 85403 157-2, Linz, Austria, September 2001.iiwas
• "Agent Solutions for E-business Transactions".
  Co-Authors: Khalil-Ibrahim Ismail, Weippl Edgar, Altmann Josef, Winiwarter Werner.
  In: PROCEEDINGS OF THE 12TH INTERNATIONAL WORKSHOP ON DATABASE AND EXPERT SYSTEMS APPLICATIONS (DEXA 2001), IEEE Computer Society Press, ISBN: 0-7695-1230-5, Munich, Germany, September 2001.
• "Data Integration in Digital Libraries: Approaches and Challenges".
  Co-Author: Khalil-Ibrahim Ismail.
  In: PROCEEDINGS OF THE INTERNATIONAL SEMINAR ON DIGITAL LIBRARY AND KNOWLEDGE MANAGEMENT (IDLN 2001), Bandung, Indonesia, June 2001.

• "Modeling Customizable Web Applications - A Requirement's Perspective".
  Co-Authors: Kappel Gerti, Retschitzegger Werner.
  In: PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON DIGITAL LIBRARIES: RESEARCH AND PRACTICE (ICDL 2000), IEEE Computer Society, ISBN: 0-7695-1022-1, Kyoto, Japan, November 2000.
• Towards Modeling of Data Web Applications - A Requirements' Perspective".
  Co-Author: Retschitzegger Werner.
  In: PROCEEDINGS OF AMERICAS CONFERENCE ON INFORMATION SYSTEMS (AMCIS 2000), Association for Information Systems, Long Beach, USA, August 2000. Awarded BEST PAPER in technical track.

• "A Comparison of Role Mechanisms in Object-Oriented Modeling".
  Co-Authors: Kappel Gerti, Retschitzegger Werner.
  In: PROCEEDINGS OF MODELLIERUNG'98, K. Pohl, A. Schürr, G. Vossen (eds), Bericht Nr. 6/98-I, Angewandte Mathematik und Informatik, Münster, Germany, March 1998.