9th International Conference and Workshop on Database and Expert Systems Applications 
Date: August 24 - 28, 1998 
Location: University of Vienna 
Vienna, Austria 

DEXA`98 and its sister conference BASYS`98

Official Carrier 

DEXA`98 will be organised just in the week before the IFIP World Congress in Vienna/Budapest.
BASYS`98 (3rd IEEE/IFIP International Conference on Information Technology for Balanced Automation Systems in Manufacturing) which will be held in Prague (August 26-28, 1998) as a pre-congress event of the World Congress is a SISTER CONFERENCE of DEXA`98. Special arrangements (fee reduction & free-of-charge transportation opportunities) will be offered to participants of the both conferences.

You need further assistance on registrations please contact the conference organisation office:

T A B L E   O F   C O N T E N T 

H. Afsarmanesh, University of Amsterdam, The Netherlands 

K. Bauknecht, University of Zurich, Switzerland 

B. Bhargava, Purdue University, USA 

J. Bing, NRCCL Oslo, Norway 

J. Bubenko, Royal Institute of Technology, Sweden 

L. Camarinha-Matos, New University of Lisbon, Portugal 

W.S. Cellary, University of Poznan, Poland 

S. Christodoulakis, University of Crete, Greece 

B. Croft, University of Massachusetts, USA 

J. Debenham, Univ. of Technology, Sydney, Australia 

P. Drazan, RIKS Maastricht, The Netherlands 

J. Eder, University of Klagenfurt, Austria 

T. Eiter, University of Giessen, Germany 

A.L. Furtado, University of Rio de Janeiro, Brazil 

G. Gardarin, INRIA, France 

F. Golshani, Arizona State University, USA 

G. Gottlob, Technical University of Vienna, Austria 

A. Hameurlain, Université Paul Sabatier, France 

J. Hammer, University of Florida, USA 

I. Hawryszkiewycz, Univ. of Technology, Sydney, Australia 

S. Jajodia, George Mason University, USA 

Y. Kambayashi, University of Kyoto, Japan 

M. Kamel, Naval Postgraduate School, USA 

N. Kamel, City University of Hongkong, Hong Kong 

G. Kappel, University of Linz, Austria 

D. Karagiannis, University of Vienna, Austria 

M.A. Ketabchi, Santa Clara University, USA 

M.H. Kim, KAIST, Korea 

P. Klement, University of Linz, Austria 

J. Kouloumdjian, LISI-INSA, Lyon, France 

P. Kroha, Technical Univ. of Chemnitz, Germany 

J. Lazansky, Czech Technical Univ., Czech Republic 

T.W. Ling, University of Singapore, Singapore 

A Makinouchi, Kyushu University, Japan 

V. Marik, Czech Technical Univ., Czech Republic

A. Mendelzon, University of Toronto, Canada 

M. Mohania, University of South Australia, Australia 

J. Mylopoulos, University of Toronto, Canada 

E. Neuhold, GMD-IPSI, Germany 

T.W. Olle, T.W. Olle & Associates, UK 

G. Ozsoyoglu, University Case Western Research, USA 

G. Pangalos, University of Thessaloniki, Greece 

M. Papazoglou, Queensland Univ. of Technology, Australia 

B. Pernici, Politecnico di Milano, Italy 

G. Pernul, University of Essen, Germany 

I. Ramos, Technical University of Valencia, Spain 

C. Rolland, University Paris I, France 

N. Roussopoulos, University of Maryland, USA 

R. Sacks-Davis, RMIT, Australia 

M. Scholl, CNAM&INRIA, Paris, France 

A. Sernadas, University of Lisbon, Portugal 

M. Shahabi, University of Southern California, USA 

J.C. Smith, University of British Columbia, Canada 

H. Sonnberger, European University Institute, Italy 

B. Srinivasan, Monash University, Australia 

U. Srinivasan, CIRO, Australia 

R.B. Stanton, ANK, Australia 

R. Studer, University of Karlsruhe, Germany 

M. Takizawa, Tokyo Denki University, Japan 

K. Tanaka, Kobe University, Japan 

Z. Tari, RMIT, Australia 

S. Teufel, University of Zurich, Switzerland 

J.M. Thevenin, University Paul Sabatier, France 

H.W. Thimbleby, Middlesex University, UK 

C.H. Thoma, IT pro, Switzerland 

A M. Tjoa, Technical University of Vienna, Austria 

R. Traunmüller, University of Linz, Austria 

K. Vidyasankar, Memorial Univ. of Newfoundland, Canada 

S. Zdonik, Brown University, USA

Conference Organisation Office: 

 Monday, August 24, 1998

9:30 am         Opening

 10:00 - 11:00 am        Invited Talk
Chair: E. Schweighofer

 Jon Bing, Norwegian Research Center for Computers and Law (NRCCL), University of Oslo
Hypertext - The Deep Structure

 10:00 - 11:30 am        Coffee Break

11:30 am - 1:00 pm
Chair: G. Kappel

 Retschitzegger W.; Austria
Composite Event Management in TriGS - Concepts and Implementation

 Collet C., Vargas-Solar G., Grazziotin -Ribeiro H.; France
Towards a Semantic Event Service for Distributed Active Database Applications

 Saygin Y., Ulusoy Ö.; Turkey
Involving Fuzzy Concepts in Active Mobile Databases

11:30 am - 1:00 pm
Chair: C. Vassilakis

 Norvag K., Bratbergsengen K.; Norway
An Analytical Study of Object Identifier Indexing

 Ling T-W., Wee B-T.; Singapore
DO2: Deductive Object-Oriented Database System

11:30 am - 1:00 pm
Chair: D. Merkl

 Henrard J., Englebert V., Hick J-M., Roland D., Hainaut J-L.; Belgium
Program Understanding in Databases Reverse Engineering

 Masood N., Eaglestone B.; United Kingdom
Semantic Based Schema Analysis

 Palopoli L., Saccà D., Ursino D.; Italy
Automatic Derivation of Terminological Properties from Database Schemes

11:30 am - 1:00 pm
Chair: A. Henrich

 Lee C-H., Chien L-F.; Taiwan
A Novel Integration of OODBMS and Information Retrieval Techniques for a Document Repository

 Arour K,. Jaoua A.; Tunesie
Rectangular Decomposition of Signature File: Design Issues and Performance Evaluation

 Wondergem B. C. M., van Bommel P., van der Weide T. P.; Netherlands
Cumulative Duality in Designing Information Brokers

 1:00 - 2:30 pm  LUNCH

2:30 - 4:00 pm
Chair: A M. Tjoa

 I.T. Hawryszkiewycz; Australia
Discussion Databases: A Framework for Design

 Hawryszkiewycz I. T., Debenham J.; Australia
A Workflow System Based on Agents

 Wieczerzycki W.; Poland
Multiuser Transactions for Collaborative Database Applications

2:30 - 4:00 pm

T.J.M. Bench-Capon
Tryfona N.; Denmark
Modeling Phenomena in Spatiotemporal Databases: Desiderata and Solutions

 Coenen F. P.; United Kingdom
Rulebase Checking Using a Spatial Representation

 Sumiya K., Noda R., Tanaka K.; Japan
Hypermedia Broadcasting with Temporal Links

2:30 - 4:00 pm
Chair: G. Quirchmayr

 Ng W.; Hong Kong
Inferring Functional Dependencies in Linerly Ordered Databases

 Bisbal J., Wu B., Lawless D., Grimson J.; Ireland
Building Consistent Sample Databases to Support Information System Evolution and Migration

 Souveyet C., Tawbi M.; France
Process Centred Approach for Developing Tool Support of Situated Methods

2:30 - 4:00 pm
Chait: B. Srinivasan

 Aramburu-Cabo M. J., Berlanga-Llavori R.; Spain
A Retrieval Language for Historical Documents

 Ounis I., Pasca M.; France
Modeling, Indexing and Retrieving Images Using Conceptual Graphs

 Henrich A.; Germany
Applying Document Retrieval Techniques in Software Engineering Environments

 4:00 - 4:30 pm  Coffee Break

4:30 - 5:30 pm
Chair: K. Tanaka

 Amann B., Vodislav D., Fernandes J.; France
Browsing SGML Documents with Maps: The French "Inventaire" Experience

 Andres F., Buford J., Ono K.; Japan
An Application-Oriented Approach for HyTime Structured Document Management

4:30 - 6:00 pm
Chair: F. Coenen

 Ang C. H., Ling R. W., Zhou X. M.; Singapore
Qualitative Spatial Relationships Representation IO&T and its Retrieval

 El-Geresy A. A., Abdelmoty A. I.; United Kingdom
A Qualitative Approach to Integration in Spatial Databases

 Kaushik S., Rundensteiner E. A.; USA
SVIQUEL: A Spatial Visual Query and Exploration Language

4:30 - 6:00 pm
Chair: M. Mohania

 Bellahsene Z.; France
View Adaptation in Data Warehousing Systems

 Farré C., Teniente E., Urpí T.; Spain
Query Containment Checking as a View Updating Problem

 Bentayeb F., Laurent D.; France
View Updates Translations in Relational Databases

4:30 - 6:00 pm
Chair: A. Hameurlain

 Nonas E., Poulovassilis A.; United Kingdom
Optimisation of Active Rule Agents Using a Genetic Algorithm Approach

 Ikeji A. C., Fotouhi F.;USA
Optimization of Constrained Queries with a Hybrid Genetic Algorithm

Tuesday, August 25,1998

9:30 - 10:30 am Invited Talk
Chair: G. Quirchmayr

 H.C. Mayr, University of Klagenfurt, Austria
Highlights of the SAMMOA Framework for Object-Oriented Application Modeling

 10:30 - 11:00 am        Coffee Break

11:00 - 12:30 am
Chair: I.T. Hawryszkiewycz

 Afsarmanesh H., Garita C., Hertzberger L. O.; Netherlands
Virtual Enterprises and Federated Information Sharing

 Rashid A., Sawyer P.; United Kingdom
Facilitating Virtual Representation of CAD Data Through Evolution Employing Direct Instance Sharing

 Dahanayake A. N. W.; Netherlands
Evaluation of the Strength of Computer Aided Method Engineering for Product Development Process Modeling

11:00  - 12:30 am
Chair: H.C. Mayr

 Kappel G., Schröder B.; Austria
Distributed Light-Weight Persistence in Java - A Tour on RMI- and CORBA-Based Solutions

 Bench-Capon T. J. M.; United Kingdom
Specifying the Interaction Between Information Sources

 Uchoa E. M. A., Lifschitz S., Melo R. N.; Brasil
HEROS: A Heterogeneous Object-Oriented Database System


11:00 am - 12:30 pm
Chair: T.W. Ling

 Boertjes E. M., Grefen P. W. P. J., Vonk J., Apers M. G.; Netherlands
An Architecture for Nested Transaction Support on Standard Database Systems

 Pitoura E.; Greece
Transaction-Based Coordination of Software Agents

11:00 am - 12:30 pm
Chair: G. Papadopoulos

 Marazakis M., Papadakis P., Nikolaou C.; Greece
Aurora: An Architecture for Dynamic and Adaptive Work Sessions in Open Environments

 Khair M., Mavridis I., Pangalos G.; Lebanon, Greece
Design of Secure Distributed Medical Database Systems

 Shibata T., Kato T.; Japan
General Model of Subjective Interpretation for Street Landscape Image

 12:30 - 2:30 pm LUNCH

2:30 - 4:00 pm
Chair: J.A. Bakker

 Wang B.; United Kingdom
Extend Dexter Model to Capture More Semantics of Hypermedia

 Fourel F., Mulhem P., Bruandet M-F.; France
A Generic Framework for Structured Document Access

 Montebello M., Gray W. A., Hurley S.; United Kingdom
An Evolvable Personal Advisor to Optimize Internet Search Technologies

2:30 - 4:00 pm
Chair: W. Winiwarter

 Nanopoulos A., Manolopoulos Y.; Greece
Indexing Time-series Databases for Inverse Queries

 Vassilakis C., Georgiadis P., Sellis T.; Greece
Implementing Embedded Valid Time Query Languages


2:30 - 4:00 pm
Chair: B. Eaglestone

 Madria S. K., Bhargava B.; Malaysia, USA
On the Correctness of a Transaction Model for Mobile Computing

Abdallah M., Pucheral P.; France
A Single-Phase Non-Blocking Atomic Commitment Protocol

 Mulatéro F., Thévenin J-M., Bazex P.; France
A Global Garbage Collector for Federated Database Management Systems

2:30 - 4:00 pm
Chair: N. Revell

 Wöß W.; Austria
Rule-Based Management of Routing Plans in CIM Systems

 Stepánková O., Pechoucek M., Marík V., Lazanský J.; Czech Repulic
Applications of Acquaintance-Model-Based Co-Operative Agents in Production Planning

 Yamani A., Al-Zobaidie A., Ibrahim M.; United Kingdom
Open Architecture for Natural Language Distributed Systems

 4:00 - 4:30     Coffee Break

4:30 - 6:00 pm
Chair: G. Pernul

 Bhowmick S. S., Ng W-K., Lim E-P.; Singapore
Join Processing in Web Databases

 Welz M., Wood P.; United Kingdom
TENTACLE: A Database System for the World Wide Web

 Chappelet J-L., Le Grand A.; Switzerland
Workey: A Method and Tool to Build Web-Enabled Workflows

4:30 - 6:00 pm
Chair: Z. Kouba

 Bellatreche L., Karlapalem K., Basak G. K.; Hong Kong
Query-Driven Horizontal Class Partitioning for Object-Oriented Databases

 Bakker J. A.; Netherlands
An Extended Meta Model for Conditional Fragmentation

4:30 - 6:00 pm
Chair: F. Andres

 Lorentzos N. A., Dondis K. A.; Greece
Query by Example for Nested Tables

 Fegaras L.; USA
A New Heuristic for Optimizing Large Queries

 Du X., Liu Z., Ishii M.; Japan
Discovery of User Interests from Range Queries


Wednesday, August 26,1998

10:00 - 12:00 am
Chair: J. Küng

 Samos J., Saltor F., Sistac J., Bardés A.; Spain
Database Architecture for Data Warehousing: An Evolutionary Approach

 Gurret C., Rigaux P.; France
An Integrated Platform for the Evaluation of Query Processing Strategies in Multidimensional Databases

 Kouba Z., Matousek K., Miksovský P., Stepánková O.; Czech Republic
On Updating the Data Warehouse from Multiple Data Sources

 Teschke M., Ulbrich A.; Germany
Concurrent Warehouse Maintenance without  Compromising Session Consistency

10:00 - 12:00 am
Chair: A. Zaslavsky

 Chen X., Petrounias I.; United Kingdom
A Framework for Temporal Data Mining

 Goulbourne G., Coenen F., Leng P.; United Kingdom
KDD in FM: Knowledge Discovery in Facilities Management Databases

 Merkl D., Rauber A.; Austria
CIA's View of the World and what Neural Networks Learn from it: A Comparison of Geographical Document Space Representation Metaphors


10:00 - 12:00 am
Chair: W. Wieczerzycki

 Miura T., Shioya I.; Japan
Learning Concepts from Databases

 De Korvin A., Quirchmayr G., Hashemi S., Kleyle R.; USA, Austria
Rule Extraction Using Rough Sets when Membership Values are Intervals

 Messaadia K., Oussalah M.; France
Using Semantic Links for Reuse in Knowledge Base Systems

 Shao J.; United Kingdom
Incremental Updating of Classification Rules

10:00 - 12:00 am
Chair: W. Essmayr

 Flesca S., Greco S.; Italy
Declarative Semantics for Active Rules

 Puigsegur J., Agustí J., Pastor J. A.; Spain
Towards Visual Schemas in Deductive Databases

 Liu M.; Canada
Incorporating Methods and Encapsulation into DOOD Languages



 Wednesday, August 26, 1998

1:30 - 2:00 pm          Opening

W01:  Verification, Validation and Integrity Issues in Expert and Database Systems

Workshop Organiser:     Frans Coenen, University of Liverpool, United Kingdom
Barry Eaglestone, University of Bradford, United Kingdom
Friday, August 28, 1998

9:00 - 10:30 am Open

 Invited Talk:

A.Vermesan; Norway

Software Certification for Industry - Verification and  Validation Issues in Expert Systems

 Keynote Presentations:

F. Coenen; United Kingdom

Verification and Validation Issues in Expert and Database Systems: The Expert Systems Perspective

 B. Eaglestone, M. Ridley; United Kingdom
Verification, Validation and Integrity Issues in Expert and Database Systems: The Database Perspective

10:30 - 11:00 am        Coffee Break

 The Expert System View
11:00 am - 12:30 pm

 A. Ligeza; Poland
Towards Logical Analysis of Tabular Rule-Based Systems

 D.E. O'Leary; USA
Verification of Multiple Agent Knowledge-Based Systems

 L. Brisoux, L. Sais, E. Gregoire; Belgium, France
Validation of Knowledge-Based Systems by Means of  Stochastic Search

 12:30 - 2:00 pm LUNCH

 The Database View
2:00 - 3:30 pm

 H. Ibrahim, W.A. Gray, N.J. Fiddian; United Kingdom
Optimising Fragment Constraints

 I. Millns, B. Eaglestone; United Kingdom
An Integrity Constraint for Database Systems Containing Embedded Neural Networks

 3:30 - 4:00 pm  Coffee Break

4.00 - 5:30 pm

T.J.M. Bench-Capon; United Kingdom
The Role of Ontologies in the Verification and Validation of Knowledge Based Systems

D. Castelli, S. Pisani; Italy

Ensuring Correctness of Personalised Schema Refinement Transformations

 W02: Query Processing and Multimedia Issues in  Distributed Systems (QPMIDS 1998)

Workshop Organiser:     F. Andres, NACSIS, Japan
Wednesday, August 26, 1998

2:00 - 2:15 pm  Workshop Introduction

 2:15 - 3:30 pm  Keynote Address

V.S. Subrahmanian, University of Maryland, USA

Multimedia Query and Presentation Algebras

 3:30 - 4:00 pm  Coffee Break

 Session 1: Multimedia Systems
4.00 - 5:30 pm

U. Thiel, A. Everts, S. Hollfelder; Germany
Multimedia Management and Query Processing Issues  in Distributed Digital Libraries: A HERMES Perspective

 H. Ishikawa, K. Kubota, Y. Noguchi, K. Kato, M. Ono, N. Yoshizawa, A. Kanya; Japan
A Document Warehouse: A Multimedia Database Approach

 Thursday, August 27, 1998

9:00 - 10:30 am Invited Talk

W. Grosky, Wayne State University, USA

Multimedia Data Mining and its Implications for Query Processing

 10:30 - 11:00 am        Coffee Break

 Session 2: Document Management and Media Retrieval System Using Multimedia Database System
11:00 am - 1:00 pm

 Z. Aghbari, K. Kaneko, A. Makinouchi; Japan
A Motion-Location Based Indexing Method for Retrieving MPEG Videos

 K.F. Tan, M. Wing, N. Revell, G. Marsden; United Kingdom
FIBEX, an Extractor Enabling Querying of Documents Using SQL

 M. Tsunakawa, T. Hoshino, H. Machihara; Japan
Information Resource Management and Retrieval Method in the Multi-Database Environment that Contains Image Database

 C.A. Lindley; Australia
The FRAMES Processing Model for the Synthesis of Dynamic Virtual Video Sequences

 1:00 - 2:00 pm  LUNCH

 Session 3: Active Hypermedia Delivery System
2:00 - 3:30 pm

 F. Andres, K. Ono; Japan
The New Generation of Hypermedia Delivery System

 3:30 pm         QPMIDS Workshop closing speech

W03: Natural Language and Information Systems (NLIS'98)

Workshop Organiser:     Werner Winiwarter, University of Vienna, Austria
Friday, August 28, 1998

9:00 - 10:30 am

 Invited Talk:
R. Dale, Macquarie University, Australia
Dynamic Document Delivery: Generating Natural Language Texts on Demand

 C. Wenzel; Germany
Integrating Information Extraction into Workflow Management Systems

 10:30 - 11:00 am        Coffee Break

 11:00 am - 12:30 pm

 D. Molla Aliod, J. Berri, M. Hess; Switzerland
A Real World Implementation of Answer Extraction

 K. Pala, P. Rychly, P. Smrz; Czech Republic
Corpus Annotation in Inflectional Languages: Czech

 P. Caudal; France
Using Complex Lexical Types to Model the Polysemy of Collective Nouns within the Generative Lexicon

 12:30 - 2:00 pm LUNCH

 2:00 - 3:30 pm

 H. Weigand, S. Hoppenbrouwers; The Netherlands
Experiences with a Multilingual Ontology-Based Lexicon for News Filtering

 C.B. Achour; France
Writing and Correcting Textual Scenarios for System Design

 G. Fliedl, C. Kop, W. Mayerthaler, H.C. Mayr, C. Winkler; Austria
Disambiguation of Part-of Relationships within the NIBA Project

 3:30 - 4:00 pm  Coffee Break

 4.00 - 5:00 pm

L. Moisa, C. Pinton, C. Popovici; Italy
EasyDial: A Tool for Task-Oriented Dialogue Systems on the Telephone


W04: Data Warehouse Design and OLAP Technology (DWDOT'98)

Workshop Organiser:     Mukesh Mohania, University of South Australia, Australia
Friday, August 28, 1998

9:00 - 9:15 am  Workshop Inauguration
9:15 - 10:15 am Keynote Address:

K. Karlapalem; Hong Kong
10:15 - 11:00 am        Coffee Break

 Session 1: Data Warehouse Design
11:00 am - 12:30 pm

 M. Juergens, H.-J. Lenz; Germany
The R-tree: An improved R-tree with Materialized Data for Supporting Range Queries on OLAP-Data

 D. Calvanese, G. De Giacomo, M. Lenzerini, D. Nardi, R. Rosati; Italy
Source Integration in Data Warehousing

 M. Blaschka, C. Sapia, B. Dinter, G. Höfling; Germany
Finding Your Way through Multidimensional Data Models
12:30 - 2:00 pm LUNCH

 Session 2: Data Warehouse Maintenance
2:00 - 3:30 pm

 S. Samtani, V. Kumar; USA
Maintaining Consistency in Partially Self-Maintainable Views at the Data Warehouse

 A.Nica, E.A. Rundensteiner; USA
Using Containment Information for View Evolution in Dynamic Distributed Environments

 S. Ligoudistianos, D. Theodoratos, T. Sellis; Greece
Experimental Evaluation of Data Warehouse Configuration Algorithms

 3:30 - 4:00 pm  Coffee Break

 Session 3(i): On-Line Analytical Processing
4.00 - 5:00 pm

A. Datta, B. Moon, H. Thomas; USA
A Case for Parallelism in Data Warehousing and OLAP

 K. Ushijima, S. Fujiwara, I. Nishizawa, N. Sagawa; Japan
SUPRA: A Sampling-Query Optimization Method for Large-Scale OLAP

 Session 3(ii): Data Mining
5:00 - 6:00 pm

 N.L. Sarda, N.V. Srinivas; India
An Adaptive Algorithm for Incremental Mining of Association Rules

 S.K. Gupta, D.V.L.N. Somayajulu, J.K. Arora, B. Vasudha; India
Scalable Classifier with Dynamic Pruning


W05: Security and Integrity of Data Intensive Applications

Workshop Organiser:     Günther Pernul, University of Essen, Germany
Wednesday, August 26, 1998

2:00 - 3:30 pm  Workshop opening
Guenther Pernul, Germany

 Invited talk:

Eduardo B.Fernandez, Florida Atlantic University, USA

The Need for a High-Level Look at Internet Security

 3:30 - 4:00 pm  Coffee Break

 Organizational Security Issues
4:00 - 6:30 pm

 P.I. Elsas, P.M. Ott de Vries, R.P. van de Riet; The Netherlands
Computing Conspiracies

 W. Essmayr, E. Kapsammer, R. R. Wagner, G. Pernul, A M. Tjoa; Germany, Austria
Enterprise-Wide Security Administration

 R.P. van de Riet, W. Janssen, P. de Gruijter; The Netherlands
Security Moving from Database Systems to ERP Systems

 E. Hildebrandt, G. Saake; Germany
User Authentication in Multidatabase Systems

Thursday, August 27, 1998

Implementation Aspects, Prototype Systems
9:00 - 10:30 am

 S. Gritzalis, J. Iliadis; Greece
Addressing Security Issues in Programming Languages for Mobile Code

 Y.-C. Oh, S.B. Navathe; USA
Avoiding Inference Problem Using Page Level Security Classification

 N.Katic, G.Quirchmayr, J.Schiefer, M.Stolba, A M.Tjoa; Austria
A Prototype Model for Data Warehouse Security Based on Metadata

10:30 - 11:00 am        Coffee Break

 Security for Structured Documents
11:00 am  - 12:30 pm

 E.B. Fernandez, K.R. Nair; USA
An Abstract Authorization System for the Internet

 U. Kohl, J. Lotspiech, S. Nusser; USA
Security for the Digital Library - Protecting Documents Rather than Channels

 F. Dridi, G. Neumann; Germany
Towards Access Control for Logical Document Structures

 12:30 - 2:00 pm LUNCH

 Privacy, Workflow, Security Mediation
2:00 - 3:30 pm

 G. Wiederhold, M. Bilello; USA
Protecting Inappropriate Release of Data from Realistic Databases

 L.C.J. Dreyer, M.S. Olivier; South Africa
Dynamic Aspects of the InfoPriv Model for Information Privacy

 M.S. Olivier, R.P. van de Riet, E. Gudes; South Africa, The Netherlands, Israel
Specifying Application-Level Security in Workflow Systems


W06: Storage and Retrieval Issues in Image and Multimedia Databases

Workshop Organiser:     Bala Srinivasan, Monash University, Australia
Wednesday, August 26, 1998

2:00 - 3:30 pm

 C.A. Lindley, U. Srinivasan; Australia
Query Semantics for Content-Based Retrieval of Video Data: An Empirical Investigation

 Z.-N. Li, O.R. Zaiane, B. Yan; Canada
C-BIRD: Content-Based Image Retrieval from Digital Libraries Using Illumination Invariance and Recognition Kernel

 D. Kang, P. Raveendran, S. Omatu; Japan, Malaysia
Algorithm to Discriminate between New and Used Bills Using a Neural Network

 3:30 - 4:00 pm  Coffee Break

 4:00 - 5:30 pm

 P.D. Le, S. Kulkarni, B. Srinivasan; Australia
Multi Level Browsing for Efficient Image Transmission

 Z.M. Weng, D. Bell; United Kingdom
Integrating Visual Ontologies and Wavelets for Image Content Retrieval

 J.S. Deogun, H. Sever, V.V. Raghavan; USA, Turkey
Structural Abstractions of Hypertext Documents for Web-Based Retrieval


W07: Mobility in Databases and Distributed Systems

Workshop Organiser:     Zahir Tari, Royal Melbourne Inst.of Technology, Australia
Omran Bukhres, Purdue University, USA
Arkady Zaslavsky, Monash University, Australia
Thursday, August 27, 1998

8:45 am Opening

 Session 1: Architecture
9:00 - 10:00 am Invited Talk

Gordon Blair, Lancaster University, United Kingdom

The Role of Open Implementation and Reflection in Supporting Mobile Applications

 10:00 - 10:30 am

A. Bond, M. Gallagher, J. Indulska; Australia

An Information Model for Nomadic Environments

 10:30 - 11:00 am        Coffee Break

 Session 2: Mobile Database Systems
11:00 am - 12:30 pm

 S.W. Lauzac, P.K. Chrysanthis, USA
Programming Views for Mobile Database Clients

 M. Dunham, V. Kumar; USA
Location Dependent Data and its Management in Mobile Databases

 S. Sauer, O. Zukunft; Germany
Event Processing in Mobile and Active Database Systems Using Broadcasts

 12:30 - 2:00 pm LUNCH

 Session 3: Transaction Management, Mobile Objects and Agents
2:00 - 4:00 pm

 E. Pitoura; Greece
Supporting Read-Only Transactions in Wireless Broadcasting

 P. Stanski, A. Zaslavsky; Australia
Expressing Dynamics of Mobile Agent Systems Using Ambient Calculus

 A. Rakotonirainy; Australia
Adaptable Transaction Consistency for Mobile Environments

 A. Pasala, D.J. Ram; India
New Object Models for Seamless Transition across Heterogeneous Mobile Environments

 4:00 pm Closing


W08: Network-Based Information Systems  (NBIS'98)

Workshop Organiser:     Makoto Takizawa, Tokyo Denki University, Japan
Friday, August 28, 1998

9:00 - 10:30 am

 H. Shimamura, H. Takano, T. Kamba, Y. Koseki; Japan
A Domain Cluster Interface for WWW Search

 T. Wada, T. Yoshida; Japan
Object Groups and Group Communication in a Distributed Object-Oriented Programming

 P. Becker, S. Müller; Germany
Visual Support for Combining Algorithms via the Internet

 10:30 - 11:00 am        Coffee Break

 11:00 am - 12:30 pm

 I. Sanz, R. Berlanga, M.J.Aramburu; Spain
Gathering Metadata from Web-Based Repositories of Historical Publications

 M. Bichler, A. Segev; USA
InfoLink: A Case Study and an Analysis of Object Web Infrastructures

 R.-S. Chen, C.C. Chiu, Y.S. Yeh; Taiwan
A Genetic Algorithm for the Reliability Optimization of a Distributed System

 12:30 - 2:00 pm LUNCH

 2:00 - 3:30 pm

 K. Hashimoto, J. Sato, Y. Kohsaka, Y. Shibata, N. Shiratori; Japan
End-to-End QoS Architecture for Continuous Media Services

 G.-H. Lee, W.-D. Woo, B.-N. Yoon; Korea
An Adaptive Load Balancing Algorithm Using Simple Prediction Mechanism

 R. Kadobayashi, K. Nishimoto, Y. Sumi, K. Mase; Japan
Evaluation of Mediating Agents that Personalize Museum Exhibitions

 3:30 - 4:00 pm  Coffee Break

4.00 - 5:30 pm

S.M. Deen; United Kingdom
A Fault-Tolerant Cooperative Distributed System

 C.-S. Yang, K.-D. Wu, C.W. Tseng; Taiwan
Support an Efficient Connection for Mobile IP

 H. Higaki, M. Takizawa; Japan
Recovery Protocol for Mobile Checkpointing


W09: Coordination Technologies for Information  Systems (CTIS'98)

Workshop Organiser:     George A. Papadopoulos, University of Cyprus, Cyprus
Thursday, August 27, 1998

11:00 am - 12:30 pm

 Invited Talk:

F. Arbab; The Netherlands

Coordination and Ist Relevance

 M. Buffo; Switzerland
Experiences in Coordination Programming

 12:30 - 2:00 pm LUNCH
2:00 - 3:30 pm

 M. Marazakis, D.Papadakis, C. Nikolaou; Greece
The HERMES Language for Work Session Specification

 G.R.R. Justo, V.C. de Paula, P.R.F. Cunha; United Kingdom, Brazil
Formal Specification of Evolving Distributed Software Architectures

H.J.L. Domingos,J.L. Martins, N.M. Preguica; Portugal
Coordination Support for Scalable Cooperative Work

3:30 - 4:00 pm  Coffee Break

4.00 - 6:30 pm

L. Yu, K. Stanoevska, B. Schmid; Switzerland
Supporting Distributed Corporate Planning through New Coordination Technologies

 J. Takkinen, N. Shahmehri; Sweden
Coordination in Message-Based Environments: Restructuring Internet E-Mail to Accomplish Tasks

 S. Ducasse, M. Günter; Switzerland
Coordination of Active Objects by Means of Explicit Connectors

 J.C. Cruz, S. Tichelaar; Switzerland
Managing Evolution of Coordination Aspects in Open Systems

 G.A. Papadopoulos, F. Arbab; Cyprus, The Netherlands
Modeling Electronic Commerce Activities Using Control-Driven Coordination


W 10: Legal Information Systems

Workshop Organiser:     Friedrich Lachmyer, Bundeskanzleramt der Republik Österreich, Austria
                Gerald Quirchmayr, University of Vienna, Austria

                Erich Schweighofer, University of Vienna, Austria

 Thursday, August 27, 1998

2:00 - 3:30 pm

 R. Traunmüller; Austria
Building Models for Office and Administration - A Tale of Two 'Cities'

 H. Yoshino; Japan
Logical Structure of Contract Law System

 3:30 - 4:00 pm  Coffee Break

4.00 - 5:30 pm

G. Sartor; United Kingdom
A Dialectical Model of Case Based Reasoning

D. Poulin, P. Vincent, P. Bratley; Canada
Negations and Exceptions on Topol


Friday, August 28, 1998

9:00 - 11:00 am

 C.A. Royles, T.J.M. Bench-Capon; United Kingdom
Dynamic Tailoring of Law Related Documents To User Needs

 A.C. Bouloukos, G. Quirchmayr, W. Rhomberg; Austria
The Dissemination of United Nations Crime and Justice Information: Future Developments of UNCJIN

 A. Cammelli, F. Socci; Italy
A Thesaurus for Improving Information Retrieval in an Integrated Legal Expert System

P. Ebenhoch; Austria

Legal Citation Referencing Using SGML and HyTime

W11:  Business Process Reengineering and Supporting Technologies for
        Electronic Commerce

Workshop Organiser:     Aphrodite Tsalgatidou, University of Athens, Greece
Thursday, August 27, 1998

9:00 - 10:30 am
Session 1 - Electronic Commerce Infrastructure

Chair: Constantine Makropoulos, Greece

 P. Constanta, M. Marazakis, D. Papadakis, C. Nikolaou, D. Boenke; Greece, Germany
Efforts Towards on Open Electronic Commerce Infrastructure for the Tourism Industry

H. Ludwig; Switzerland

Analysis Framework of Complex Service Performance for Electronic Commerce

 C. Huemer; Austria
Managing Different Interfaces in Electronic Commerce
10:30 - 11:00 am        Coffee Break

 11:00 am - 12:30 pm 
Session 2 - Business Process Reengineering & Infrastructure Interoperability

Chair: Brian Thackray, U.K.

 B.R. Katzy, V. Obozinski; The Netherlands, Belgium
Value System Redesign

 G.M. Giaglis, G.I. Doukidis; United Kingdom, Greece
BPR in Support of Electronic Commerce: A Case Study

 M. Rubia, J.C. Cruellas, M. Medina, I. Callego; Spain
Interoperability between the X.509 and EDIFACT Public Key Infrastructures: The DEDICA Project

 12:30 - 2:00 pm LUNCH

 2:00 - 3:30 pm
Session 3 -  Methodologies and Interoperability Issues for the Development of Electronic Commerce Applications
Chair: Richard Sitruk, Belgium

 M. Themistocleous, A. Poulimenakou; Greece
Developing Electronic Stores: Some Critical Considerations for Practice

 E. Tambouris, A. Michalakopoulos, C. Makropoulos, S. Hadjiefthymiades, E. Spanos; Greece
On the Electronic Collaboration of SMEs: A Case Study

 V. Laopodis, A. Conte, I. Elefteriadou; Belgium
A Methodology for Introducing Interoperability in Industrial Sectoral Applications of Electronic Commerce

 3:30 - 4:00 pm  Coffee Break

4.00 - 5:00 pm 
Session 4 -  Electronic Commerce Applications

Chair: Folkert Wierda, The Netherlands

 M. Krömker,  F. Weber, V. Steinlechner; Germany, Austria
A Reference Model and Software Support for Bid Preparation in Supply Chains in the Construction Industry

 D. Billard; Switzerland
Multipurpose Internet Shopping Basket

 5:00 -6:30              Panel Session
Thanassis Chrissafis (DG3, European Commission)

W12: Parallel Databases: Innovative Applications        and New Architectures

Workshop Organiser:     Harald Kosch, University of Klagenfurt, Austria
Laboratoire d'Informatique du Parallelisme, ENS Lyon, France
Institut de Recherche en Informatique de Toulouse, Univ. Paul Sabatier, France
Wednesday, August 26, 1998

4:00 - 6:30 pm

 L. Böszörmenyi, C. Weich; Austria
Simple and Efficient Transactions for a Distributed Object Store

 Y. Jiang, G. Wang, A. Makinouchi; Japan, China
Dynamic Parallel Query Processing for Distributed Objects

 P.R.F. Sampaio, S.F. Mendes; United Kingdom, Brazil
Rule-Based Parallel Query Optimization for OQL Using a Parallelism Extraction Technique

 M. Sousa, M. Mattoso, N.F.F. Ebecken; Brazil
Data-Mining: A Tightly-Coupled Implementation on a Parallel Database Server

 F. Najjar, Y. Slimani; Tunesia
Distributed Optimization of Cyclic Queries with Parallel SemiJoins

W13: Workflow Management (WFM'98)

Workshop Organiser:     Johann Eder, University of Klagenfurt, Austria
Wednesday, August 26, 1998

2:00 - 3:30 pm

 M. Marazakis, D. Papadakis, C. Nikolaou; Greece
Management of Work Sessions in Dynamic Open Environments

 N. Baker, A. Bazan, G. Chevenier, F. Estrella, Z. Kovacs, T. Le Flour, J.-M. Le Goff, S. Lieunard,
R. McClatchey, S. Murray, J.-P. Vialle; Switzerland, United Kingdom, France
An Object Model for Product and Workflow Data Management

 S. Jablonski; Germany
A Software Architecture for Workflow Management Systems

 3:30 - 4:00 pm  Coffee Break

 4:00 - 5:30 pm

 J. Herbst, D. Karagiannis; Germany, Austria
Integrating Machine Learning and Workflow Management to Support Acquisition and Adaption of Workflow Models

 C. Bussler; USA
Workflow Instance Scheduling with Project Management Tools

 M. Nikolaidou, D. Anagnostopoulos; Greece
Experiences from the Employment of Workflow Management Systems in the Banking Sector


W14: Large-Scale Software Composition

Workshop Organiser:     Rudolf K. Keller, University of Montreal, Canada

Bruno Lague, Bell Canada, Canada

Reinhard Schauer, University of Montreal, Canada

 Friday, August 28, 1998

Module I: Setting the Stage

9:00 - 9:20 am  Introduction
9:20 - 10:05 am Invited Talk:

Oscar Nierstrasz, University of Bern, Switzerland
10:05 - 10:30 am

N.H. Lassing, D.B.B. Rijsenbrij, J.C. van Vliet; The Netherlands

A View on Components

 10:30 - 11:00 am        Coffee Break

 Module II: Component Modeling

11:00 - 11:20 am

W. Pree, E. Althammer, H. Sikora; Austria, Germany

Self-Configuring Components for Client-/Server-Applications

 11:20 - 11:40 am

S. Jarzabek, M. Hitz; Singapore, Austria

Business-Oriented Component-Based Software Development and Evolution

 11:40 am - 12:05 pm

S. Kent, J. Howse, A. Lauder; United Kingdom

Modeling Software Components

 12:05 - 12:30 pm        Discussion

 12:30 - 2:00 pm LUNCH

 Module III: Migration towards Components

 2:00 - 2:40 pm  CSER Research Demo

 2:40 - 3:05 pm

Y. Shinkawa, M.J. Matsumoto; Japan

On Legacy System Reusability Based on CPN and CCS Formalism

 3:05 - 3:30 pm

V. Tzerpos, R.C. Holt; Canada

Software Botryology: Automatic Clustering of Software Systems

 3:30 - 4:00 pm  Coffee Break

Module IV: Component-based Modelling of Distributed Systems

 4.00 - 4:25 pm

I. Ben-Shaul, Y. Gidron, O. Holder; Israel

A Negotiation Model for Dynamic Composition of Distributed Applications

 4:25 - 4:50 pm

D. Beringer, C. Tornabene, P. Jain, G. Wiederhold; USA

A Language and System for Composing Autonomous, Heterogeneous and Distributed Megamodules

 4:50 - 5:30 pm  Discussion

W15: Advanced Database Applications

Workshop Organiser:     J. Küng, University of Linz, Austria
Wednesday, August 26, 1998

2:00 - 3:30 pm

 S-Y. Lee, T.-W. Ling; Singapore
Are Your Trigger Rules Correct?

 T. Amagasa, M. Aritsugi, Y. Kanamori; Japan
Implementing Time-Interval Class for Managing Temporal Data

 Roche C., Fitouri S., Glardon R., Pouly M.; France
The Potential of Multi-Agent Systems in Virtual Manufacturing Enterprises

 3:30 - 4:00 pm  Coffee Break

 4:00 - 6:00 pm

 M.T. Suzuki, T. Kato, H. Tsukune; Japan
3D Object Retrieval Based on Subjective Measures

 R. Shan, M. Liu; Canada
Design and Implementation of the Relationlog Deductive Database System

 C. Park, S. Park; Korea
Alternative Correctness Criteria for Multiversion Concurrency Control and its Applications in Advanced Database Systems

 N. Bianchi, L. Berthouze, T. Kato; Japan
Towards a Comprehensive Integration of Subjective Parameters in Database Browsing


Thursday, August 27, 1998

9:00 - 10:30 am

 B. Wang; United Kingdom
The Design of a Digital Library

 W. Derks, W. Jonker; The Netherlands
Practical Experiences with Materialized Views in a Very Large Data Store for Telecommunication Service Management

 S. Aggarwal, F. Hung, W. Meng; USA
WIRE - A WWW-Based Information Retrieval and Extraction System

 10:30 - 11:00 am        Coffee Break

 11:00 am- 12:30 pm

 T. Saeki, M. Namiuchi; Japan
Extensible Multimedia Class Library for Object-Oriented Database Systems

 H. Skaf, F. Charoy, C. Godart; France
Flexible Integrity Control of Cooperative Applications

 12:30 - 2:00 pm LUNCH

 2:00 - 3:30 pm

 G. Grosz, P. Loucopoulos, C. Rolland, S. Nurcan; France, United Kingdom
A Framework for Generic Patterns Dedicated to the Management of Change in the Electricity Supply Industry

 S.H. Cho, K.Y. Bae, C-S. Hwang; Korea
Write Notification for Certification Protocol Based on Time-Stamp History

 3:30 - 4:00 pm  Coffee Break

 4:00 - 6:30 pm

 D.K.C. Chan; France
A Document-Driven Approach to Database Report Generation

 J-Y. Chang, S-G. Lee; Korea
An Extended Query Reformulation Technique Using Materialized Views

 K. Nihei, N. Tomizawa, A. Shibata, H. Shimazu; Japan
Expert Guide for Help Desks - An Intelligent Information Retrieval System for WWW Pages

 M. Gogolla, A.K. Huge, B. Randt; Germany
Stepwise Re-Enginieering and Development of Object-Oriented Database Schemata

 K. Koiso, K. Kawakatsu, T. Mori, K. Tanaka; Japan
Dynamic Generation of Virtual Spaces and Incremental Query Formulation Using Spatial Browsing

Friday, August 28,1998

9:00 - 10:30 am

 S. Brown, R. Vallas, M. Ibrahim, A. Al-Zobaidie; United Kingdom
Object Design of a Distributed Client/Server System

 A. Sapir, E. Gudes; Israel
Dynamic Relationships and Their Propagation Attributes in Object Oriented Databases

 A. Couchot; France
Study of Termination of a Set of Active Rules in an Object Oriented DBMS at the Conceptual Level

 10:30 - 11:00 am        Coffee Break

 11:00 am- 1:00 pm

 N. Kotsis, D.R. McGregor, J-N- Wilson, W.P. Cockshott; United Kingdom
Data Compression in Database Systems

 H. Kanemoto, H. Kato,  H. Kinutani, M. Yoshikawa; Japan
An Efficiently Updatable Index Scheme for Structured Documents

 L.Hall, O. Hanson, A. Pope; United Kingdom
Database Design for Very Small Companies

 J. Küng, J. Palkoska; Austria
Vague Joins - An Extention of the Vague Query System VQS 

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2 (4 stars)  ATS 1380 - 2240  ATS 1700 - 2320 
3 (3 stars)  ATS 800 - 1350  ATS 1050 - 1850 
4 (2 stars)  ATS 500 - 1000  ATS 675 - 1080 
DEXA 98 Conference Advance Registration Form
DEXA 98 Hotel Reservation Form
Change History
Date of Change  Brief Description  Modified by: 

03-June-98 Offical DEXA'98 Conference & Workshop Program submitted  DEXA WebMaster 
04-June-98 Some changes in the Workshop program (WS04, WS10, WS07)  DEXA WebMaster 
08-June-98 Some changes in the Conference & Workshop program (3C, 4C, WS01, WS07, WS09, WS12, WS15)  DEXA WebMaster
12-June-98  Changes in the Workshop program (WS01, WS02, WS03, WS05, WS15)  DEXA WebMaster
18-August-98 Finalversion Conference & Workshop Program  DEXA WebMaster