MONDAY, September 9, 1996

9:45 - 10:00 am Opening of DEXA Workshops

10:00 - 11.00 am Invited Lecture
Peter Pistor;
"The SQL3 Standards Suite -- An Overview"

11:00 - 11:30 am Coffee Break

SESSION 1A: OBJECT-ORIENTED DATABASES 1
11:30 am - 1:00 pm

van den Akker J., Siebes A.; The Netherlands
"Object Histories as a Foundation for an Active Object-Oriented Database"

Aramburu Cabo M.J., Berlanga Lavori R.; Spain
"Modelling Periodicals with an Extended Object Oriented Data Model"

Bellatreche L., Simonet A., Simonet M.; France
"Vertical Fragmentation in Distributed Object Database Systems with Complex Attributes and Methods"

SESSION 1B: ACTIVE AND TEMPORAL ASPECTS 1
11:30 am - 1:00 pm

Desouki M.S., Simonet A., Simonet M.; France
"Processing Deductions in an Active Fashion"

Maizi Y., Barkaoui K.; France
"Optimizing Query Evaluation in Deductive Databases Using Reduction Theory of Petri Nets"

Gutleber J.; Austria
"Active Real-Time Databases & The ARCS Data Point Processor"

SESSION 1C: EXPERT AND KNOWLEDGE BASED SYSTEMS 1
11:30 am - 1:00 pm

Cullinane M.J., Kao D.T., Shore S.D.; USA
"Knowledge Acquisition and Representation through Neighborhoods"

Bench-Capon T., Lynch S., Paton R.; United Kingdom
"Principled Development of Knowledge Based Systems - The Importance of Domain History"

Bassolet C.G., Simonet A., Simonet M.; France
"Probabilistic Classification in OSIRIS, a View-based OO DBMS and KBMS"

SESSION 1D: APPLICATIONS 1
11:30 am - 1:00 pm

Desai B.C., Shinghal R.; Canada
"Resource Discovery: Modelling, Cataloguing and Searching"

Aloiy N., Giuliano S., Romano G.A.; Italy
"An Approach to Hypertext Presentations on the World Wide Web"

dell’Aquila C., Tangorra F.; Italy
"A Research Activity Support System for the Italian Cultural Heritage"

SESSION 1E: TRANSACTION CONCEPTS AND PHYSICAL ASPECTS 1
11:30 am - 1:00 pm

Bryan G.M., Moore W.E.; Australia
"Grid File Declustering, an Implementation of a Multidimensional Indexing Strategy"

Desai B.C., Boutros B.S.; Canada
"A Two-Phase Commit Protocol and its Performance"

Tung S.-S., Zha H., Keefe T.; USA
"Indexing Management for Distributed Linear Hash Files"

1:00 - 2:30 pm LUNCH

SESSION 2A: OBJECT-ORIENTED DATABASES 2
2:30 - 4:00 pm

Buddrus F.; Germany
"Enacting Authorization Models for Object-Oriented Databases"

Liu M.; Canada
"ROL: A Typed Deductive Object Base Language"

Lautemann S.-E.; Germany
"An Introduction to Schema Versioning in OODBMS"

SESSION 2B: ACTIVE AND TEMPORAL ASPECTS 2
2:30 - 4:00 pm

Meziane M., Amghar Y.; France
"Modeling of the Database Application Behavior through the Active Object Paradigm"

Defude B., Martin H.; France
"Coupling Integrity Constraint Checking with a Nested Transaction Model"

Vassilakis C., Georgiadis P., Sotiropoulou A.; Greece
"A Comparative Study of Temporal DBMS Architectures"

SESSION 2C: EXPERT AND KNOWLEDGE BASED SYSTEMS 2
2:30 - 4:00 pm

Rückert C., Klein S.; Germany
"Optimizing the User-Interface of a Knowledge-Based System"

Stöhr S.; Germany
"Using a Distributed Knowledge Base to Coordinate Autonomous Mobile Systems"

SESSION 2D: APPLICATIONS 2
2:30 - 4:00 pm

Fourel F., Mulhem P.; France
"Modelling Multimedia Structured Documents: A Retrieval Oriented Approach"

Comparot C., Djennane S., Sedes F.; France
"Hypermedia Modelling and Audio Navigation"

Eder K.-H.; Austria
"Optimised Parallel Sets for Data Intensive Applications"

SESSION 2E: ADVANCED DATABASE AND INFORMATION SYSTEM METHODS 1
2:30 - 4:00 pm

Heuer A., Lubinski A.; Germany
"Database Access in Mobile Environments"

Kawashima S., Tabata M., Kanamori Y., Masunaga Y.; Japan
"Versioning Model of Image Objects for Easy Development of Image Database Applications"

Lehner W., Ruf T., Teschke M.; Germany
"Improving Query Response Time in Scientific Databases Using Data Aggregation - a Case Study"

4:00 - 4:30 pm Coffee Break

SESSION 3A: OBJECT-ORIENTED DATABASES 3
4:30 - 6:00 pm

Martinez J.; France
"The Design of an Extensible Multimedia Library for an OODBMS"

Murakami Y., Nishikaku M., Okada T., Sakaguchi M., Nagata M.; Japan
"Real-Time Scheduling for Semantic Concurrency Control of Object-Oriented Database Systems"

Oussalah C., Urtado C.; France
"Adding Semantics for Version Propagation in OODBs"

SESSION 3B: ADVANCED DATABASE AND INFORMATION SYSTEM METHODS 2
4:30 - 6:30 pm

Bélières B., Trépied C.; France
"New Metaphors for a Visual Query Language"

Ghelli G., Pucci I.; Italy
"The Graphical System of Fibonacci"

Heidenreich G., Kips D., Volle V.; Germany
"A Database for Configuration Management"

Lee S.K., Jung S.Y., Hwang X.-S.; Korea
"Concurrency Control Using a New Weaker Conflict Relation"

SESSION 3C: EXPERT AND KNOWLEDGE BASED SYSTEMS 3
4:30 - 6:30 pm

Visser P., Bench-Capon T.; United Kingdom
"On the Reusability of Ontologies in Knowledge System Design"

Zboril D., Metze F.; Germany
"Indeterminateness in Qualitative and Quantitative Reasoning"

Le Bail G., Cousin R., Capdeville P.; France
"Structural and Applicative Representation of Semantics and Use of Metalingustic Formulas"

Shao J.; United Kingdom
"Using Rough Sets for Rough Classification"

SESSION 3D: APPLICATIONS 3
4:30 - 6:00 pm

Gärtner H., Gogolla M.; Germany
"Lassy - A System for Analyzing Grammatical Dependencies in Latin"

Hu J., Nicholson D., Mungall C., Archibald A.L.; United Kingdom
"WebinTool: A Generic Web to Database Interface Building Tool"

Nguyen V.B.H., Vines P., Wilkinson R.; Australia
"A Comparison of Morpheme and Word Based Document Retrieval for Asian Languages"

7:00 pm Welcome Party

TUESDAY, September 10, 1996

SESSION 4A: OBJECT- ORIENTED DATABASES 4
9:00 - 10:30 am

Park H.J., Yoo S.I.; Korea
"Implementation of Checkout/Checkin Mechanism on Object-Oriented Database Systems"

Radeke E.; Germany
"Extending ODMG for Federated Database Systems"

Samos J., Sistac J.; Spain
"Definition of Deductive Conceptual Models of Object-Oriented Databases"

SESSION 4B: ADVANCED DATABASE AND INFORMATION SYSTEM METHODS 3
9:00 - 10:30 am

Ellmer E., Merkl D.; Austria
"Classifying Software Process Models based on Natural Language Descriptions"

Han J.L.; Australia
"An Evolutional Approach to Multiparadigm Programming Database Systems"

Katayama N., Sugimoto M., Adachi J.; Japan
"A Universal Query Interface for Heterogeneous Distributed Digital Libraries"

SESSION 4C: TRANSACTION CONCEPTS AND PHYSICAL ASPECTS 2
9:00 - 10:30 am

Lee C., Ke C.-H., Chen Y.-H.; Taiwan
"Performance Upgrade for Large Object Bases Using Disk Arrays"

Posselt D., Fortier P.J.; Germany, USA
"Implementation of a Speculative Concurrency Controller"

Oh A.-S., Choi J.-O., Hong B.-H.; Korea
"An Incremental Update Propagation Scheme for a Cooperative Transaction Model"

SESSION 4D: APPLICATIONS 4 9:00 - 10:30 am

Bauzer Medeiros C., Bellosta M.-J., Jomier G.; Brazil, France
"Managing Multiple Representations of Georeferenced Elements"

Pasha M.A., Soper P.J.; United Kingdom
"A Composite Approach to Meet the Needs of Legal Professionals"

Pokorný J.; Czech Republic
"Conceptual Modeling of Statistical Data"

10:30 - 11:00 am Coffee Break

SESSION 5A: OBJECT-ORIENTED DATABASES 5
11:00 - 12:30 am

Savnik I., Tari Z., Slovenia, Australia
"Querying Conceptual Schemata of Object-Oriented Databases"

Schmid O.; Germany
"A Concept of Data Migration in a Distributed, Object-Oriented Knowledge
Base for Manufacturing Environments"

Toroslu I.H., Evrendilek C.; Turkey
"Lattice Structure for an Object-Oriented Data Model"

SESSION 5B: ADVANCED DATABASE AND INFORMATION SYSTEM METHODS 4
11:00 - 12:30 am

Saoudi A., Nachouki G., Briand H.; France
"Consistency Checking in Federated Databases"

Tan W.C., Wang K.; Singapore
"QUICK - A Graphical User Interface to Multiple Databases"

Xu K.H., Bhargava B.; USA
"An Introduction to Enterprise-Participant Data Model"

SESSION 5C: CSCW AND WORKFLOW MANAGEMENT SYSTEMS 1
11:00 - 12:30 am

Hawryszkiewycz I.T.; Australia
"A Method for Designing CSCW Systems"

Gross T., Traunmüller R.; Austria
"Computer-Supported Cooperative Work and the Internet"

Grefen P., Remmert de Vries R.; The Netherlands
"A Reference Architecture for Workflow Management Systems"

SESSION 5D: TRANSACTION CONCEPTS AND PHYSICAL ASPECTS 3
11:00 - 12:00 am

Vakali A., Manolopoulos Y.; Greece
"The Impact of Seeking in Partial Match Retrieval"

Wietrzyk V.I., Ramaswamy V.; Australia
"Real-Time Transaction Scheduling in Database Systems"

12:30 am - 2:00 pm LUNCH

PANEL DISCUSSION
2:00 - 3:30 pm

Chair: A M. Tjoa

3:30 - 4:00 pm Coffee Break

SESSION 6A: CSCW AND WORKFLOW MANAGEMENT SYSTEMS 2
4:00 - 6:30 pm

Heinl P., Schuster H.; Germany
"Towards a Highly Scaleable Architecture for Workflow Management Systems"

Mariani J.A., Rodden T.; United Kingdom
"Exposing the Collaborative Nature of Data: Working together in the PIT"

Ngu A.H.H., Duong T., Srinivasan U.; Australia
"Modeling Workflow using Tasks and Transactions"

Schwabe G.; Germany
"Supporting Large Meetings with Query Awareness"

Wieczerzycki W.; Poland
"Versioning Technique for Collaborative Writing Tools"

SESSION 6B: ADVANCED DATABASE AND INFORMATION SYSTEMS METHODS 5
4:00 -5:30 pm

Rabitti F., Benedetti L., Demi F.; Italy
"Query Processing in Distributed PIOS"

Teuhola J.; Finland
"Deferred Maintenance of Replicated Objects in Single-Site Databases"

Zhu Shinin; USA
"Simulate the FOODB by the FRDB"

SESSION 6C: RELATIONAL AND EXTENDED RELATIONAL APPROACHES
4:00 -6:00 pm

Chen Y., Benn W.; Germany
"On the Query Translation in Federative Relational Databases"

Haemmerlé O., Carbonneill B.; France
"Interfacing a Relational Database Using Conceptual Graphs"

Langer U.J., Meyer H.F.; Germany
"Join Sequence Optimization in Parallel Query Plans of a Distributed Relational Database System"

Stéphan V.; France
"Extracting Symbolic Objects from Relational Databases"

WEDNESDAY, September 11, 1996

10:30 - 11:00 am Opening of the DEXA Conference

11:00 - 12:00 am Invited Lecture
Marty R.; Switzerland
"The Commercial Position of Informatik Architecture"

12:00 am - 1:30 pm LUNCH

SESSION 1A: OBJECT-ORIENTED DATABASES 1
1:30 - 3:00 pm

Rykowski J., Cellary W.; Poland
"Using Multiversion Object-Oriented Databases in CAD/CIM Systems"

Lakhal L., Yahia A.; France
"Building Inheritance Graphs in Object Database Design"

Pastor O., Pelechano V., Bonet B., Ramos I.; Spain
"An Object-Oriented Methodological Approach for Making Automated Prototyping Feasible"

SESSION 1B: ADVANCED DATABASE AND INFORMATION SYSTEMS METHODS 1
1:30 - 3:00 pm

Annamalai M., Sundaram A., Bhargava B.; USA
"A Colour-based Technique for Measuring Visible Loss for Use in Image Data Communication"

Battle S.; United Kingdom
"Establishing Arc Consistency for Multiple Database Views"

Henrich A., Däberitz D.; Germany
"Using a Query Language to State Consistency Constraints for Repository-Based System Development Environments"

SESSION 1C: ACTIVE AND TEMPORAL ASPECTS 1
1:30 - 3:00 pm

Appelrath H.-J., Behrends H., Jasper H., Zukunft O.; Germany
"Case Studies on Active Database Applications"

Becker L., Voigtmann A., Hinrichs K.H.; Germany
"Temporal Support for Geo-Data in Object-Oriented Databases"

Casati F., Ceri S., Pernici B., Pozzi G.; Italy
"Deriving Active Rules for Workflow Enactment"

SESSION 1D: TRANSACTIONS AND CONCURRENCY CONCEPTS
1:30 - 3:00 pm

Rezende F., Baier T.; Germany
"Employing Object-Based LSNs in a Recovery Strategy"

Dogdu E.; USA
"Scheduling Adaptive Transactions in Real-Time Databases"

Lam K.-Y., Yau W.-C., Lee V.C.S.; Hong Kong
"Applying Similarity in Concurrency Control for Real-Time Database Application"

3:00 - 3:30 Coffee Break

SESSION 2A: OBJECT-ORIENTED DATABASES 2
3:30 - 5:00 pm

Alhajj R., Polat F.; Turkey
"View Maintenance in Object-Oriented Databases"

Bakker J.A.; The Netherlands
"Object-Orientation based on Semantic Transformations"

Djeraba C., Hadouda K.; France
"Multimedia Scenarios in an Object-Oriented Database System"

SESSION 2B: ADVANCED DATABASE AND INFORMATION SYSTEMS METHODS 2
3:30 - 5:00 pm

Kitakami H., Mori Y., Arikawa M.; Japan
"An Intelligent System for Integrating Autonomous Nomenclature Databases in Semantic Heterogenity"

Lucarella D., Zanzi A.; Italy
"Pattern-Based Filtering in Graph-Oriented Databases"

Lee Y.-J., Lee D.-M., Ryu S.-J., Chung C.-W.; South Korea
"Controlled Decomposition Strategy for Complex Spatial Objects"

SESSION 2C: ACTIVE AND TEMPORAL ASPECTS 2
3:30 - 5:30 pm

Greco S., Mateis C., Spadafora E.; Italy
"Unification of Bounded Simple Set Terms in Deductive Databases"

Lim S.J., Ng Y.-K.; USA
"A Formal Approach for Horizontal Fragmentation in Distributed Deductive Database Design"

Collet C., Coupaye T.; France
"Primitive and Composite Events in NAOS"

Eaglestone B., Holton R., Rold L.; United Kingdom, Denmark
"GENREG: A Historical Data Model Based on Event Graphs"

SESSION 2D: RELATIONAL AND EXTENDED RELATIONAL APPROACHES
3:30 - 5:00 pm

Dellanoy X.C., Del Vigna C.; France
"Binary Integrity Constraints Against Confidentiality"

Papadopoulos A., Vaitis M., Christodoulakis D.; Greece
"Building Hypertext Interfaces to Existing Relational Databases"

Liu H.-C., Chirathamjaree C.; Australia
"A more efficient Join for Nested Relational Databases"

7:00 pm Conference Dinner

THURSDAY, September 12, 1996

9:00 - 10:00 am Invited Lecture
Hameurlain A.; France
"Parallel Relational Database Systems"

10:00 - 10:30 Coffee Break

SESSION 3A: OBJECT-ORIENTED DATABASES 3
10:30 - 12:00 am

Göers J., Lisson K.-P., Linde-Göers H.-G.; Germany
"Experiences in Object-Oriented Modeling of a Real Database Application"

Shin H., Chang J.; Korea
"An S-Signature Scheme for Efficient Query Processing of Complex Objects in OODB"

Hennessey P., Ibrahim M.T., Fedorec A.M.; United Kingdom
"Formal Specification, Object-Oriented Design, and Implementation of an Ephemeral Logger for Database Systems"

SESSION 3B: ADVANCED DATABASE AND INFORMATION SYSTEM METHODS 3
10:30 - 12:00 am

Marik V., Stepánková O., Flek O., Kout J.; Czech Republic
"Cooperative Agents in DISCIM Environment"

Miura T., Shioya I.; Japan
"Mining Type Schemes in Databases"

Nishizawa I., Takasu A., Adachi J.; Japan
"A Query Processing Method for Integrated Access to Multiple Databases"

SESSION 3C: ACTIVE AND TEMPORAL ASPECTS 3
10:30 - 12:00 am

Lang P., Obermair W., Schrefl M; Austria
"Situation Diagrams"

Zimmermann J., Brandig H., Geppert A.; Germany, Switzerland
"Design, Implementation and Management of Rules in an Active Database System"

Thomas I.S., Jones A.C.; United Kingdom
"OLAF: The GOAD Active Database Event/Rule Tracer"

SESSION 3D: CSCW AND WORK FLOW SYSTEMS
10:30 - 12:00 am

Wiedijk M., Afsarmanesh H.; The Netherlands
"Co-working and Management of Federated Information-Clusters"

Günthör R., Jablonski S.; Germany
"Transaction-Based Application Integration in Workflow Management Systems"

Tang J., Veijalainen J., Hwang S.-Y.; Canada, Finland, Taiwan
"Coping With Mismatched Semantics of Dependencies in Workflow Systems"

12:00 am - 1:30 pm LUNCH

SESSION 4A: OBJECT-ORIENTED DATABASES 4
1:30 - 3:00 pm

Wang B.; United Kingdom
"Data Modelling, Hypermedia and OODB - An Integrated System Design"

Heuer A., Kröger J.; Germany
"Query Optimization in the CROQUE Project"

Na S., Park S.; Korea
"Management of Fuzzy Objects with Fuzzy Attribute Values in New Fuzzy Object-Oriented Data Model"

SESSION 4B: ADVANCED DATABASE AND INFORMATION SYSTEM METHODS 4
1:30 - 3:00 pm

Pitoura E.; Greece
"A Replication Schema to Support Weak Connectivity in Mobile Information Systems"

Puig V., Oussalah C.; France
"Constraints and Composite Objects"

Tininini L., Bezenchek A., Rafanelli M.; Italy
"A System for the Management of Aggregate Data"

SESSION 4C: THEORETICAL ASPECTS 1
1:30 - 3:00 pm

Du X., Liu Z., Ishii N.; Japan
"Counting-Based Normalization for Multiple Linear Recursions"

Eiter T., Leone N., Sacca D.; Austria, Italy
"Partial Semantics for Disjunctive Deductive Databases"

Tang Z.-H., Gardarin G.; France
"Optimizing Path Expressions using Navigational Algebraic Operators"

3:00 - 3:30 pm Coffee Break

SESSION 5A: OBJECT-ORIENTED DATABASES 5
3:30 - 5:00 pm

Kappel G., Schrefl M.; Austria
"Modelling Object Behavior: To use methods or rules or both ?"

Kim Y.H., Kim M.S., Kwon S.-H., Jeong C.-S.; Korea
"The Object-Oriented Design of OBASS: An Object-Based Spatial Database System"

SESSION 5B: ADVANCED DATABASE AND INFORMATION SYSTEM METHODS 5
3:30 - 5:30 pm

Winiwarter W., Kagawa O., Kambayashi Y.; Japan
"Applying Language Engineering Techniques to the Question Support Facilities in VIENA Classroom"

Yoshida T., Takizawa M.; Japan
"Model of Mobile Objects"

Wietrzyk V.I., Ramaswamy Y.; Australia
"Real-Time Transaction Scheduling in Database Systems"

Wietrzyk V.I., Ramaswamy Y.; Australia
"Performance Evaluation of New Clustering Algorithm in Object-Oriented Database Systems"

SESSION 5C: THEORETICAL ASPECTS 2
3:30 - 5:00 pm

Leone N., Rullo P., Scarcello F.; Austria, Italy
"On the Computation of Disjunctive Stable Models"

Wang L., Wing M., Davis C., Revell N.; United Kingdom
"An Algebra for A Temporal Object Data Model"

SESSION 5D: PARALLEL AND DISTRIBUTED SYSTEMS
3:30 - 5:30 pm

Tanaka K., Takizawa M.; Japan
"Significant Checkpoint in Distributed System"

Wu X.; Germany
"An Architecture for Interoperation of Distributed Heterogeneous Database Systems"

Lo Y., Hua K.A., Tavanapong W.; USA
"Scheduling Queries for Parallel Execution on Multicomputer Database Management Systems"

Hwang S.Y., Lee K.K.S., Chin Y.H.; Taiwan
"Data Replication in a Loosely Coupled Distributed Database System: A Performance Study"

FRIDAY, September 13, 1996

9:00 - 10:00 am Invited Lecture
Kappel G.; Austria
"Heterogeneous Sources, Harmonized Interfaces - What we can learn from Databases and the World Wide Web"

10:00 - 10:30 Coffee Break

SESSION 6A: EXPERT AND KNOWLEDGE BASED SYSTEMS 1
10:30 - 12:00 am

Coenen F., Beattie B., Bench-Capon T.J.M., Shave M.J.R., Diaz B.M.; United Kingdom
"An Ontology for Linear Spatial Reasoning"

Debenham J.; Australia
"Designing Knowledge-Based Systems for Optimal Performance"

Siva Perraju T., Uma G., Prasad B.E.; USA, India
"Match Algorithm for a Real Time Expert System"

SESSION 6B: PHYSICAL ASPECTS 1
10:30 - 12:00 am

Ghandeharizadeh S., Kim D.; USA
"On-line Reorganization of Data in Scalable Continuous Media Servers"

Kumar V.; USA
"Recovery in Main Memory Database Systems"

Nascimento M.A., Dunham M.H., Elmasri R.; USA
"M-IVTT: A Practical Index for Bitemporal Databases"

SESSION 6C: INFORRMATION RETRIEVAL 1
10:30 - 12:00 am

Ballesteros L., Croft B.; USA
"Dictionary Methods for Cross-Lingual Information Retrieval"

Berger F.C., van Bommel P.; The Netherlands
"Personalized Search Support for Networked Document Retrieval Using Link Inference"

Ounis I., Chevallet J.-P.; France
"Using Conceptual Graphs in a Multifaceted Logical Model for Information Retrieval"

12:00 am - 1:30 pm LUNCH

SESSION 7A: EXPERT AND KNOWLEDGE BASED SYSTEMS 2
1:30 - 3:00 pm

Ellmer E., Huemer C., Merkl D., Pernul G.; Austria, Germany
"Automatic Classification of Semantic Concepts in View Specifications"

Staudt M., von Thadden K.; Germany
"A Generic Subsumption Testing Toolkit for Knowledge Based Queries"

SESSION 7B: PHYSICAL ASPECTS 2
1:30 - 3:00 pm

Tran N., Sier B.; Australia
"Performance Evaluation with Proximity Metrics for Tree-based Spatial Indexing Techniques"

Papadopoulos A., Manolopoulos Y.; Greece
"LRD-Manhattan: A Global Page Replacement Algorithm for Spatial Databases"

Sheu S., Hua K.A., Cai Y.; USA
"On the Optimality of Degree of Declustering"

SESSION 7C: INFORMATION RETRIEVAL 2
1:30 - 3:00 pm

Kitagawa H., Watanabe N., Ishikawa Y.; Japan
"Design and Evaluation of Signature File Organization Incorporating Vertical and Horizontal Decomposition Schemes"

Schweighofer E., Scheithauer D.; Austria
"The Automatic Generation of Hypertext Links in Legal Documents"

Si A., Leong H.V.; Hong Kong
"Query Processing and Optimization for Broadcast Database"

CLOSING SESSION
3:00 - 3:30 pm