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Univ.-Prof. Dipl.-Ing. Dr. Wolfgang Klas
Leitung Forschungsgruppe
Universität Wien
Forschungsgruppe Multimedia Information Systems
Liebiggasse 4/3-4, 1010 Wien
http://www.cs.univie.ac.at/wolfgang.klas
T +43-1-4277-396 32
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Sprechstunden nach Vereinbarung mit Sekretariat (Frau Schena)

Head of the Multimedia Information Systems Group

Dean of the Faculty of Computer Science

Dekan der Fakultät für Informatik

Dr. Wolfgang Klas is Professor at the Institute for Distributed and Multimedia Systems at the University of Vienna, Austria, heading the Multimedia Information Systems group. Since Oktober 2008 he is Dean of the Faculty of Computer Science. Until 2000, he was Professor at the Computer Science Department at the University of Ulm, Germany. Until 1996, he was head of the Distributed Multimedia Systems Research Division (DIMSYS) at GMD-IPSI, Darmstadt, Germany, and directed many research projects and industrial collaborations in the fields of object-oriented database technology, multimedia information systems, interoperable database systems, and cooperative systems. In 1991/1992, Dr. Klas was a visiting fellow at the International Computer Science Institute (ICSI) at the University of California at Berkeley, CA, USA. His research interests are currently in multimedia information systems and Internet-based applications. He currently serves on the editorial board of the Journal Multimedia Systems, Springer Berlin Heidelberg, Germany, and from 1998 until 2005 on the editorial board of the Very Large Data Bases Journal,  from 2005 until 2008 on the editorial board of ACM Transactions on Multimedia Computing, Communications, and Applications, ACM, USA. He has been a member and chair of program committees of many conferences.

 

chronologisch alphabetisch
Projekt 1 bis 7 von 15
1 von 3
  • EuropeanaConnect
    A key project of Europeana, the European digital portal providing access to Europe’s cultural heritage Datum: May 2009 - November 2011
  • MobiSem
    Offline Availability for RDF Repositories Datum: March 2008 - August 2010
  • SemDAV
    Semantic Enhancement of the WebDAV Protocol and New Paradigms for the Organization of Unstructured Content Datum: November 2006 - October 2008
  • PROLIX
    Process Oriented Learning and Information Exchange Datum: December 2005 - November 2009
  • BRICKS
    Building Resources for Integrated Cultural Knowledge Services Datum: January 2004 - June 2007
  • eGov Simple
    Datum: November 2003 - September 2005
  • MobiLearn
    Mobile Learning: Medieninformatik Any-Time Any-Where Datum: January 2003 - December 2004
komplette Liste (nach Typ) chronologisch
98 Publikationen
Book
  • Visual Database Systems 4 (VDB4)
    Klas, Wolfgang and Ioannidis, Yannis (1998)
  • Multimedia Data Management: Using Metadata to Integrate and Aplly Digital Media
    Klas, Wolfgang and Sheth, Amit (1998)
  • Transaction Management Support for Cooperative Applications
    Klas, Wolfgang and de By, Rolf and Veijaleinen, Jari (1997)
  • Metaclasses and Their Application - Data Model Tailoring and Database Integration
    Klas, Wolfgang and Schrefl, Michael (1995)
  • Database Transaction Models for Advanced Applications
    Klas, Wolfgang and Elmagarmid, Ahmed K. (1992)
    • Book Section
  • Flexible Strukturierung von Lerninhalten am Beispiel des MobiLearn-Projekts
    Klas, Wolfgang and Zaharieva, Maia In: eLearning an der Universität Wien. Forschung ? Entwicklung ? Einführung. Waxmann Verlag, pp. 70-82 (2006)
  • Context and Current Metadata Standards
    Klas, Wolfgang and King, Ross In: B. Furht (ed.), Encyclopedia of Multimedia. (2005)
  • Context-aware Modeling of Multimedia Content
    Klas, Wolfgang and King, Ross In: B. Furht (ed.), Encyclopedia of Multimedia. (2005)
  • Context-aware Multimedia
    Klas, Wolfgang and King, Ross In: B. Furht (ed.), Encyclopedia of Multimedia, Springer Verlag, ISBN: 0-38724-395-X. (2005)
  • Context-aware Musical Audio
    Klas, Wolfgang and King, Ross In: B. Furht (ed.), Encyclopedia of Multimedia. (2005)
  • Context-aware Video Production
    Klas, Wolfgang and King, Ross In: B. Furht (ed.), Encyclopedia of Multimedia. (2005)
  • Device-driven Presentation of Multimedia Content
    Klas, Wolfgang and King, Ross In: B. Furht (ed.), Encyclopedia of Multimedia. (2005)
  • Emmos: Tradeable Units of Multimedia Content
    Westermann, Gerd Utz and Zillner, Sonja and Schellner, Karin and Klas, Wolfgang (2005)
  • Fuzzy Techniques for Context Representation
    Klas, Wolfgang and King, Ross In: B. Furht (ed.), Encyclopedia of Multimedia. (2005)
  • Overview on Using Metadata to Manage Multimedia Data
    Klas, Wolfgang and Boll, Susanne and Sheth, Amit In: Multimedia Data Management: Using Metadata to Integrate and Aplly Digital Media. , p. 24 (1998)
  • The TransCoop Transaction Model
    Klas, Wolfgang and Klingemann, Justus and Tesch, Thomas and Wäsch, Jürgen In: Transaction Management Support for Cooperative Applications. , p. 23 (1997)
  • Current and Emerging Applications [Requirements for a Multimedia Database]
    Klas, Wolfgang and Breiteneder, Christian and de Vries, Arjen P. In: Multimedia Databases in Perspective. , p. 13 (1997)
  • Multimedia and its Impact on Database System Architectures
    Klas, Wolfgang and Aberer, Karl In: Multimedia Databases in Perspective. , p. 30 (1997)
  • IRO-DB: A Distributed System Federating Object and Relational Databases
    Klas, Wolfgang and Gardarin, Georges and Gannouni, Sofiane and Finance, Beatrice and Fankhauser, Peter and Pastre, Dominique and Legoff, Regis and Ramfos, Antonis In: Object Oriented Multidatabase Systems: A Solution for Advanced Applications. (1996)
  • Integrated Database Services for Multimedia Presentations
    Boll, Susanne and Klas, Wolfgang and Löhr, Michael In: Multimedia Information Storage and Management. , p. 49 (1996)
  • Playout Management in Multimedia Database Systems
    Klas, Wolfgang and Thimm, Heiko In: Multimedia Database Systems: Design and Implementation Strategies. , p. 58 (1996)
  • Database Integration using the Open Object-Oriented Database System VODAK
    Klas, Wolfgang and Fankhauser, Peter and Muth, Peter and Rakow, Thomas and Neuhold, Erich J. In: Object Oriented Multidatabase Systems: A Solution for Advanced Applications. (1995)
  • Object-Oriented Modelling for Hypermedia Systems Using the VODAK Modelling Language (VML)
    Klas, Wolfgang and Aberer, Karl and Neuhold, Erich J. In: Advances in Object-Oriented Database Systems. (1994)
  • A Transaction Model for an Open Publication Environment
    Klas, Wolfgang and Muth, Peter and Rakow, Thomas C. and Neuhold, Erich J. In: Database Transaction Models for Advanced Applications. , p. 59 (1991)
    • Conference or Workshop Item
  • MobiLearn: An Open Approach for Structuring Content for Mobile Learning Environment
    Zaharieva, Maia and Klas, Wolfgang In: WISE 2004 Workshop on Intelligent Networked Mobile Systems, 2004-11-22, Brisbane, Australia (2004)
  • MobiLearn: An Open Approach for Structuring Content for Mobile Learning Environments
    Zaharieva, Maia and Klas, Wolfgang In: WISE 2004 International Workshop on Advances of Mobile Learning (2004)
  • CULTOS: Towards a World-Wide Digital Collection of Exchangeable Units of Multimedia Content for Intertextual Studies
    Schellner, Karin and Westermann, Gerd Utz and Zillner, Sonja and Klas, Wolfgang In: 2003 Conf. on Distributed Multimedia Systems (DMS 2003), 2003-09-24, Miami, Florida (2003)
  • ebXML: Status, Research Issues and Obstacles
    Hofreiter, Birgit and Huemer, Christian and Klas, Wolfgang In: 12th International Workshop on Research Issues on Data Engineering, 2002-02-01, San Jose, California, USA (2002)
  • MPEG-L/MRP: Implementing Adaptive Streaming of MPEG Videos for Interactive Internet Applications
    Boll, Susanne and Klas, Wolfgang and Heinlein, C. and Menth, M. In: ACM Multimedia Conference 2001, 2001-10-05, Ottawa, Kanada (2001)
  • MPEG-L/MRP: Adaptive Streaming of MPEG Videos for Interactive Internet Applications
    Boll, Susanne and Klas, Wolfgang and Heinlein, C. and Wandel, J. In: 6th International Workshop on Multimedia Information Systems, 2000-10-28, Chicago, USA (2000)
  • Cardio-OP: A Model for Education and Information on Different Usere Groups in Cardiac Suregry Using On-Line Database Support
    Klas, Wolfgang and Friedl, R. and Greiner, C. In: 20th Annual conference of the International Society for Clinical Biostatics, 1999-09-14, Heidelberg, Germany (1999)
  • Cardio-OP: Gallery of Cardiac Surgery
    Klas, Wolfgang and Greiner, Christian and Friedl, Reinhard In: IEEE Internationeal Conference on Multimedia Computing and Systems (ICMS 99), 1999-06-07, Florence, Italy (1999)
  • Architecture of a DataBlade Module for the Integrated Management of Multimedia Assets
    Westermann, Gerd Utz and Klas, Wolfgang In: First International Workshop on Multimedia Intelligent Storage and Retrieval Management (MISRM), 1999-10-01, Orlando, Florida (1999)
  • A Cross-Media Adaptation Strategy for Multimedia Presentation
    Boll, Susanne and Klas, Wolfgang and Wandel, Jochen In: ACM Multimedia Presentation'99, 1999-10-30, Orlando, Florida, USA (1999)
  • ZYX - A Semantic Model for Multimedia Documents and Presentations
    Boll, Susanne and Klas, Wolfgang In: 8th IFIP Conference on Data Semantics (DS-8) - Semantic Issues in Multimedia Systems, 1999-01-05, Rotorua, New Zealand (1999)
  • Multimedia Document Formats - Sealed Fate or Setting Out for New Shores?
    Boll, Susanne and Klas, Wolfgang and Westermann, Gerd Utz In: IEEE International Conference on Multimedia Computing and Systems (ICMCS '99), 1999-06-07, Florence, Italy (1999)
  • Exploiting OR-DBMS Technology to Implement the ZYX Data Model for Multmedia Documents and Presentations
    Klas, Wolfgang and Boll, Susanne and Westermann, Gerd Utz In: 8. GI Fachtagung Datenbanksysteme in Büro, Technik und Wissenschaft (BTW'99), 1999-03-01, Freiburg, Germany (1999)
  • Optimization of Adaptive Data-Flows for Competing Multimedia Presentational Database Sessions
    Klas, Wolfgang and Thimm, Heiko and Cowan, Crispin and Walpole, Jonathan and Pu, Calton In: IEEE International Conference on Multimedia Computing and Systems, 1997-06-03, Ottawa, Ontario, Canada (1997)
  • Abstractions for Multimedia Database Systems
    Klas, Wolfgang and Rakow, Thomas C. and Neuhold, Erich J. In: 2nd Int. Workshop on Multimedia Information Systems, 1996-09-26, West Point, New York, USA (1996)
  • Managing Adaptive Presentation Executions in Distributed Multimedia Database Systems
    Klas, Wolfgang and Thimm, Heiko and Walpole, Jonathan and Pu, Calton and Cowan, Crispin In: International Workshop on Multimedia Database Systems, 1996-01-01, Blue Mountain Lake, USA (1996)
  • IRO-DB: Making Relational and Object-Oriented Database Systems Interoperable
    Klas, Wolfgang and Frankhauser, Peter and Finance, Beatrice In: 6th International Conference on Extending Database Technology (EDBT '96), 1996-03-25, Avignon, France (1996)
  • Delta-Sets for Optimized Reactive Adaptive Playout Management in Distributed Multimedia Database Systems
    Klas, Wolfgang and Thimm, Heiko In: 12th International Conference on Data Engineering, 1996-02-26, New Orleans, Louisiana, USA (1996)
  • History Merging as a Mechanism for Concurrency Control in Cooperative Environments
    Klas, Wolfgang and Wäsch, Jürgen In: RIDE-NDS96, Sixth International Workshop on Research Issues on Data Engineering: Interoperability of Nontraditional Database Systems, 1996-02-26, New Orleans, Louisiana (1996)
  • L/MRP: A Buffer Management Strategy for Interactive Continuous Data Flows in a Multimedia DBMS
    Klas, Wolfgang and Moser, Frank and Kraiß, Achim In: 21th International Conference of Very Large Data Bases 1995 (VLDB'95), 1995-09-01, Zürich, Switzerland (1995)
  • Towards a Cooperative Transaction Model - The Cooperative Activity Model
    Klas, Wolfgang and Rusinkiewicz, marek and Tesch, Thomas and Wäsch, Jürgen and Muth, Peter In: 21st International Conference on Very Large Data Bases (VLDB '95), 1995-09-11, Zürich, Switzerland (1995)
  • Playout Management - An Integrated Service of a Multimedia Database Management System
    Klas, Wolfgang and Thimm, Heiko In: First International Workshop on Multi-Media Database Management Systems, 1995-08-28, Blue Mountain Lake, NY (1995)
  • Towards a Cooperative Transaction Model - The Cooperative Activity Model
    Klas, Wolfgang and Rusinkiewicz, Marek and Tesch, Thomas and Wäsch, Jürgen and Muth, Peter In: VLDB 1995 Conference, 2002-07-05, Sankt Augustin (1995)
  • Multimedia Applications and Their Implications on Database Architectures
    Klas, Wolfgang and Aberer, Karl In: Advanced Course on Multimedia Databases in Perspective, 1995-01-05, University of Twente, The Netherlands (1995)
  • Efficient Dynamic Look-up Strategy for Multimethods
    Klas, Wolfgang and Chen, Weimin and Turau, Volker In: 8th European Conference on Object-Oriented Programming (ECOOP'94), 1994-07-04, Bologna, Italy (1994)
  • User-Oriented Query Modification in Metaclasses Systems
    Klas, Wolfgang and Aberer, Karl and Furtado, Antonio L. In: CAiSE*94, 1994-06-01, Utrecht (1994)
  • IRO-DB: An object-oriented approach towards federated and interoperable DBMS
    Klas, Wolfgang and Busse, Ralph and Fankhauser, Peter and Huck, Gerald In: International Workshop on Advances in Databases and Information Systems ADBIS'94, 1994-05-01, Moscow, Russia (1994)
  • Panel: Object Models and Beyond
    Eder, Johann and Klas, Wolfgang and Kalinichenko, Leonid A. and Kuznetsov, Sergei D. and Manthey, Rainer In: 1st International Workshop on Advances in Databases and Information Systems, 1994-05-23, Moscow, Russia (1994)
  • Supporting Temporal Multimedia Operations in Object-oriented Database Systems
    Klas, Wolfgang and Aberer, Karl In: IEEE International Conference on Multimedia Computing Systems, 1994-05-14, Boston, USA (1994)
  • Integrating a Part Relationship into an Open OODB System using Metaclasses
    Klas, Wolfgang and Halper, Michael and Geller, James and Perl, Yehoshua In: 3rd ACM international Conference of Information and Knowledge Management (CIKM), 1994-11-01, Maryland (1994)
  • Object-Oriented Modeling for Hypermedia Systems using the VODAK Modelling Language (VML)
    Klas, Wolfgang and Aberer, Karl and Neuhold, Erich In: NATO Advanced Study Institute Summer School, 1993-08-06, Kusadast, Turkey (1993)
  • Search and Retrieval in Object-Oriented Information Systems
    Klas, Wolfgang and Neuhold, Erich and Aberer, Karl and Stein, Adelheit and Thiel, Ulrich In: GI-EMISA Fachtagung "Objekt-orientierte Methoden für Informationssysteme", 1993-06-07, Klagenfurt, Austria (1993)
  • Tailoring an Object-Oriented Database System to Integrate External Multimedia Devices
    Klas, Wolfgang In: Workshop on Heterogeneous Databases & Semantic Interoperability, 2002-07-08, Boulder Colorado (1992)
  • How to Handle Global Transactions in Heterogeneous Database Systems
    Klas, Wolfgang and Muth, Peter and Neuhold, Erich J. In: IEEE RIDE-TQP workshop, 1992-01-01, Phoenix, Arizona (1992)
    • Journal
  • A survey of techniques for achieving metadata interoperability
    Haslhofer, Bernhard and Klas, Wolfgang ACM Computing Surveys (CSUR), 42 (7). p. 1 ISSN 0360-0300 (2010)
  • Guest Editors' Introduction: Advances in Multimedia Computing
    Klas, Wolfgang and Rui, Yong and Mayer-Patel, Ketan IEEE MultiMedia Magazine, 3 (14). pp. 12-13 (2007)
  • PTDOM: a schema-aware XML database system for MPEG-7 media descriptions
    Klas, Wolfgang and Westermann, Utz Software: Practice & Experience, 8 (36). pp. 785-834 (2006)
  • Introduction to special issue on the use of context in multimedia information systems
    Klas, Wolfgang and Celetano, Augusto and Candan, K. Selçuk ACM Transactions on Multimedia Computing Communications and Applications, 3 (2). pp. 173-176 (2006)
  • A Typed DOM for the Management of MPEG-7 Media Descriptions
    Klas, Wolfgang and Westermann, Gerd Utz Journal on Multimedia Tools and Applications , 27 (3). ISSN 1380-7501 (2005)
  • An Analysis of XML Database Solutions for the Management of MPEG-7 Media Descriptions
    Westermann, Gerd Utz and Klas, Wolfgang ACM Computing Surveys, 35 (4). 331 - 373 ISSN 0360-0300 (2003)
  • The CardioOP-DataClas (CDC): Development and Application of a Meta-Thesaurus for Content Management and Multi-User Teleteaching in Cardiac Surgery
    Westermann, Gerd Utz and Klas, Wolfgang and Friedl, R. and Rose, T. and Tremper, J. and Stracke, S. and Gödje, O. and Hannekum, A. Methods of Information in Medicine, 42 (1). pp. 68-78 ISSN 0026-1270 (2003)
  • A Typed DOM for the Management of MPEG-7 Media Descriptions
    Westermann, Gerd Utz and Klas, Wolfgang Accepted for Publication in Multimedia Tools And Applications, - (-). (2003)
  • Virtual Reality and 3D Visualisations in Heart Surgery Education
    Klas, Wolfgang and Friedl, R. and Preisack, M.B. and Rose, T. and Stracke, S. and Quast, K.J. and Hannekum, A. and Gödje, O. The Heart Surgery Forum, 3 (5). ISSN 1522-6662 (2002)
  • ZYX - A Multimedia Document Model for Reuse and Adaption
    Boll, Susanne and Klas, Wolfgang IEEE Transactions on Knowledge and Data Engineering, DS-8 Special Issue, IEEE Computer Society, 13 (3). p. 21 (2001)
  • Multimedia Document Formats - Sealed Fate or Setting Out for New Shores?
    Boll, Susanne and Klas, Wolfgang and Westermann, Gerd Utz Multimedia Tools and Applications, 11 (3). (2000)
  • EMP - A Database-Driven Electronic Market Place for Business-to-Business Commerce on the Internet
    Boll, Susanne and Klas, Wolfgang and Gruener, Andreas and Haaf, Armin Distributed and Parallel Databases, Special issue on Internet Electronic Commerce, 7 (2). p. 149 (1999)
  • Building a Hybrid Database Application for Structured Documents
    Klas, Wolfgang and Böhm, Klemens and Aberer, Karl Multimedia - Tools and Applications, 8 (1). p. 25 (1999)
  • Design and Implementation of RMP - A Virtual Electronic Market Place
    Boll, Susanne and Klas, Wolfgang and Battaglin, Bernhard ACM Sigmod Record - Special Issue on Electronic Commerce, 27 (4). p. 48 (1998)
  • The Database and Information System Research Group at the University of Ulm
    Klas, Wolfgang and Dadam, Peter ACM SIGMOD Record, 26 (4). p. 4 (1997)
  • Research on Multimedia Database Systems at GMD-IPSI
    Klas, Wolfgang and Rakow, Thomas C. and Neuhold, Erich J. IEEE Multimedia Newsletter, 4 (1). p. 5 (1996)
  • Integrating Relational and Object-oriented Database Systems Using a Metclass Concept
    Klas, Wolfgang and Fischer, Gisela and Aberer, Karl Journal of Systems Integration, 4 (4). (1994)
  • A Transaction Model for an Open Publication Environment
    Klas, Wolfgang and Muth, Peter and Rakow, Thomas C. and Neuhold, Erich J. IEEE Data Engineering Bulletin, 14 (1). (1991)
  • Using an Object-Oriented Approach to Model Multimedia Data
    Klas, Wolfgang and Neuhold, Erich J. and Schrefl, Michael Computer Communications, Special Issue on Multimedia Systems, 13 (4). p. 12 (1990)
    • Monograph
  • Towards Model Implementation Guidelines for the CIDOC Conceptual Reference Model
    Nussbaumer, Philipp and Haslhofer, Bernhard and Klas, Wolfgang Technical Report. University of Vienna (2010)
  • PTDOM - A Native Schema-Aware XML Database Solution
    Westermann, Gerd Utz and Klas, Wolfgang Technical Report. Dept. of Computer Science and Business Informatics, University of Vienna (2003)
  • CULTOS: Towards A World-Wide Digital Collection of Exchangeable Units of Multimedia Content for Intertextual Studies
    Schellner, Karin and Westermann, Gerd Utz and Zillner, Sonja and Klas, Wolfgang Technical Report. Dept. of Computer Science and Business Informatics (2003)
  • A Typed Representation and Type Inference for MPEG-7 Media Descriptions
    Westermann, Gerd Utz and Klas, Wolfgang Technical Report. Dept. of Computer Science and Business Informatics, University of Vienna (2003)
  • An Analysis of XML Database Solutions Concerning the Management of MPEG-7 Media Descriptions
    Westermann, Gerd Utz and Klas, Wolfgang Technical Report. Dept. of Computer Science and Business Informatics, University of Vienna (2002)
  • A Typed DOM for the Management of MPEG-7 Media Descriptions
    Klas, Wolfgang and Westermann, Gerd Utz Technical Report. Dept. of Computer Science and Business Informatics, University of Vienna (2002)
  • Cardio OP - Anatomy of a Multimedia Repository for Cardiac Surgery
    Boll, Susanne and Klas, Wolfgang and Westermann, Gerd Utz and Heinlein, C. Technical Report. Dept. of Computer Science and Business Informatics, University of Vienna (2001)
  • Architecture of a DataBlade Module for the Integrated Management of Multimedia Assets
    Westermann, Gerd Utz and Klas, Wolfgang Technical Report. University of Ulm (1999)
  • A Comparison of Multimedia Document Models Concerning Advanced Requirements
    Boll, Susanne and Klas, Wolfgang and Westermann, Gerd Utz Technical Report. University of Ulm, Germany (1999)
  • Adaptability for Multimedia Presentations
    Klas, Wolfgang and Thimm, Heiko Technical Report. GMD Technical Report (Arbeitspapiere der GMD) (1996)
  • Managing Adaptive Presentation Executions in Distributed Multimedia Database Systems
    Klas, Wolfgang and Thimm, Heiko and Walpole, Jonathan and Pu, Calton and Cowan, Crispin Technical Report. GMD Technical Report (Arbeitspapiere der GMD) (1996)
  • Delta-Sets for Optimized Reactive Adaptive Playout Management in Distributed Multimedia Database Systems
    Klas, Wolfgang and Thimm, Heiko Technical Report. GMD Technical Report (Arbeitspapiere der GMD) (1995)
  • Towards a Cooperative Transaction Model - The Cooperative Activity Model
    Klas, Wolfgang and Rusinkiewicz, Marek and Tesch, Thomas and Wäsch, J. and Muth, Peter Technical Report. GMD Technical Report (Arbeitspapiere der GMD) (1995)
  • Reactive Playout Management - Adapting Multimedia Presentations to Contradictory Constraints
    Klas, Wolfgang and Thimm, Heiko Technical Report. ftp://ftp.darmstadt.gmd.de/pub/oasys/reports/P-95-10.ps.Z (1995)
  • The Impact of Multimedia Data on Database Management Systems
    Klas, Wolfgang and Aberer, Karl Technical Report. GMD Technical Report (Arbeitspapiere der GMD) (1993)
  • Persistence in the Object-Oriented Database Programming Language VML
    Klas, Wolfgang and Turau, Volker Technical Report. GMD Technical Report (1993)
  • User-Oriented Query Modification in Metaclasses Systems
    Klas, Wolfgang and Aberer, Karl and Furtado, Antonio L. Technical Report. GMD Technical Report (Arbeitspapiere der GMD) (1993)
  • Integrating a Relational Database System into VODAK using its Metaclass Concept
    Klas, Wolfgang and Fischer, Gisela and Aberer, Karl Technical Report. GMD Technical Report (Arbeitspapiere der GMD) (1993)
  • A Transaction Model for an Open Publication Environment
    Klas, Wolfgang and Muth, Peter and Rakow, Thomas C. and Neuhold, Erich J. Technical Report. GMD Technical Report (Arbeitspapiere der GMD) (1991)
  • Designing Intelligent Hypertext Systems using an Open Object-Oriented Database Model
    Klas, Wolfgang and Neuhold, Erich J. Technical Report. GMD Technical Report (Arbeitspapiere der GMD) (1990)
  • Metaclasses in VODAK and their Application in Database Integration
    Klas, Wolfgang and Neuhold, Erich J. and Schrefl, Michael Technical Report. GMD Technical Report (Arbeitspapiere der GMD) (1990)
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