DEXA 2005 Copenhagen Pictures

DEXA Program

Monday, 22 August 2005

9.00 - 9.30 Opening of DEXA 2005
Chair: A Min Tjoa

Welcome address:
Finn Junge Jensen, President, Copenhagen Business School

Visions of Science, Technology and Innovation in Denmark
Helge Sander, Minister for Science, Technology and Innovation

Welcome of DEXA:
A Min Tjoa, Vice President of the DEXA Association, TU Vienna, Austria

9.30 - 10.00
Danish E-Government Developments
Mikkel Hemmingsen, Ministry of Science, Technology and Innovation, Denmark

10.00 – 10.30 Coffee Break

Session 1A: Workflow Automation
10.30 - 12.30 Chair: N.N.

How to design a Loose Inter-Organizational Workflow? An illustrative case study
Lotfi Bouzguenda; France

Recovering from Malicious Attacks in Workflow Systems
Yajie Zhu, Tai Xin, Indrakshi Ray; USA

Towards Mining Structural Workflow Patterns
Walid Gaaloul, Karim Baîna, Claude Godart; France

Avoiding Error-prone Reordering Optimization During Legal systems migration
Youlin Fang, Dongqing Yang; China

Session 1B: Database Queries
10.30 - 12.30 Chair: N.N.

Automated SuperSQL Query Formulation Based on Statistical Characteristics of
Jun Nemoto, Motomichi Toyama; Japan

Distribution Rules for Array Database Queries
Alex van Ballegooij, Roberto Cornacchia, Arjen P. de Vries, Martin Kersten;

Efficient Processing of Distributed Top-k Queries
Hailing Yu, Hua-Gang Li, Ping Wu, Divyakant Agrawal, Amr El Abbadi; USA

Evaluating Mid-(k, n) Queries Using B -tree
Dongseop Kwon, Taewon Lee, Sukho Lee; South Korea

12.30 - 14.00 Lunch

Session 2A: Data Classification and Recommendation Systems
14.00 - 15.30 Chair: Lotfi Bouzguenda, France

On Efficient E-mail Classification
BIn Cui, Anirban Mondal; Singapore

An adaptive spreading activation scheme for performing more effective collaborative

Fan Yang, Bo Xie, Ruimin Shen; China

Feature Selection by Ordered Rough Set based Feature Weighting
Qasem A. Al-Radaideh, Md Nasir Sulaiman, Mohd Hasan Selamat, Hamidah Ibrahim;

Session 2B: Information Retrieval in Multimedia Databases
14.00 - 15.30 Chair: Walid Gaaloul, France

A Full-text Signal/Semantic Framework for Precision-oriented Querying in Image
Mohammed Belkhatir, Philippe Mulhem, Yves Chiaramella; France

A new Algorithm for Content-based Region Query in Multimedia Databases
Dumitru Dan Buredescu, Liana Stanescu; Romania

SM3: An XML Database Solution for the Management of MPEG-7 Descriptions
Yang Chu, Liang-Tien Chia, Sourav S. Bhowmick; Singapore

15.30 - 16.00 Coffee Break

Session 3A: Web Applications
16.00 - 18.00 Chair: N.N.

LocalRank: Ranking Web Pages Considering Geographical Locality by Integrating
web and databases
Jianwei Zhang, Yoshiharu Ishikawa, Sayumi Kurokawa, Hiroyuki Kitagawa; Japan

My Portal Viewer: Integration System based on User Preferences for News Web
Daisuke Kanjo, Katsumi Tanaka; Japan

Web Query Expansion by WordNet
Zhiguo Gong, Chan Wa Cheang, Leong Hou U; China

Webified Video: Media Conversion from TV programs to Web content for Crossmedia
Information Integration
Hisashi Miyamori, Katsumi Tanaka; Japan

Session 3B: Implementational Aspects of Databases
16.00 - 18.00 Chair: Stephane Bressan, Singapore

A Caching Model for Real-time Databases In Mobile Ad-Hoc Networks
Yanhong Li, Le Gruenwald; USA

Adaptive Query Processing in Point-Transformation Schemes
Byunggu Yu; USA

On the General Signature Trees
Yangjun Chen; Canada

Optimizing I/O Costs of Multi-dimensional Queries using Bitmap Indices
Doron Rotem, Kurt Stockinger, Kesheng Wu; USA

Tuesday, 23 August 2005

Keynote EC-Web Conference
9.00 - 10.00

IT does matter - innovation, strategy and organization
Stefan Klein; University of Muenster, Germany

10.00 - 10.30 Coffee Break

Session 4A: Multimedia Databases
10.30 - 12.30 Chair: N.N.

Environmental Noise Classification for Multimedia Libraries
Tan Boon Tiang, Stephane Bressan; Singapore

Quality-aware Replication of Multimedia Data
Yi-Cheng Tu, Jingfeng Yan, Sunil Prabhakar; USA

Rotation and Gray-Scale Invariant Classification of Textures Improved by Spatial
Distribution of Features
Gouchol Pok , Keun Ho Ryu, Jyh-Charn Lyu; China

Zooming Cross-Media: A Zooming Description Language Coding LOD Control and
Media Transitions
Tadashi Araki, Hisashi Miyamori, Mitsuru Minakuchi, Ai Kato, Zoran Stejic, Yasushi
Ogawa, Katsumi Tanaka; Japan

Session 4B: XML Processing I
10.30 - 12.30 Chair: Sourav S Bhowmick, Singapore

Histogram-Based Selectivity Estimator for Skewed XML Data
Hanyu Li, Mong Li Lee, Wyyne Hsu; Singapore

Accelerating XML Structural Join By Partitioning
Nan Tang, Guoren Wang, Jeffrey Xu Yu, Kam-Fai Wong, Jianxin Li; China

Efficient Dissemination of Filtered Data in XML-based Selective Dissemination
of Information
Jae-Ho Choi, Young-Jin Yoon, SangKeun Lee; South Korea

Efficient Processing of Ordered XML Twig Pattern
Jiaheng Lu, Tok Wang Ling, Tian Yu, Changqing Li, Wei Ni; Singapore

12.30 - 14.00 Lunch

Session 5A: Security
14.00 - 15.00 Chair: N.N.

A Flexible Role-Based Delegation Model Using Characteristics of Permissions
You-Ri Lee, Dong-Gue Park; Korea

Provable Data Privacy
Kilian Stoffel, Thomas Studer; Switzerland

Session 5B: XML Schemata
14.00 - 15.30 Chair: N.N.

Formalizing the XML Schema Matching Problem as a Constraint Optimization Problem
Marko Smiljanic, Maurice van Keulen, Willem Jonker; Netherlands

Evolving XML schemata and documents using UML class diagrams
Eladio Domínguez, Jorge Lloret, Ángel Luis Rubio, María
A. Zapata; Spain

Building XML Documents and Schemas to Support Object Data Exchange and Communication
Giuseppe Pozzi, Carlo Combi; Italy

15.30 - 16.00 Coffee Break

Session 6A: Query Evaluation
16.00 - 17.00 Chair: Thomas Studer, Switzerland

Intensional Encapsulations of Database Subsets via Genetic Programming
Aybar C. Acar, Amihai Motro; USA

Preferred Skyline: an Hybrid approach between SQLf and Skyline
Marlene Goncalves, María Esther Vidal; Venezuela

Session 6B: Semantic Processing
16.00 - 17.00 Chair: Giuseppe Pozzi, Italy

Resolution of semantic queries on a set of Web Services
Jordi Paraire , Rafael Berlanga, Dolores LLidó; Spain

Detecting Semantically Correct Changes to Relevant Hidden Web Data
Vladimir Kovalev, Sourav S Bhowmick; Singapore

Wednesday, 24 August 2005

9.00 - 10.00

Design for All in Information Technology: whose problem is it?

Jenny Darzentas, University of the Aegean, Syros, Greece

10.00 - 10.30 Coffee Break

Session 7: XML Processing II
10.30 - 12.30 Chair: Parvathi Chundi, USA

An Efficient Scheme of Update Robust XML Numbering with XML to Relational Mapping
Hyunchul Kang, Young-Hyun Kim; Korea

On Maintaining XML Linking Integrity during Update
Eric Pardede, J. Wenny Rahayu, David Taniar; Australia

On the midpoint of a set of XML documents
Alberto Abelló, Xavier de Palol, Mohand-Saïd Hacid; Spain

Full-Text and Structural XML Indexing on B Tree
Toshiyuki Shimizu, Masatoshi Yoshikawa; Japan

12.30 - 14.00Lunch

Session 8: Information Retrieval
14.00 -. 15.30 Chair: N.N.

XML-based e-barter System for Circular Supply Exchange
Shuichi Nishioka, Yuri Yaguchi, Takahiro Hamada, Makoto Onizuka, Masashi Yamamuro;

Context-Sensitive Complementary Information Retrieval for Text Stream
Qiang Ma, Katsumi Tanaka; Japan

Detecting Changes to Hybrid XML Documents Using Relational Databases
Erwin Leonardi, Sri L. Budiman, Sourav S. Bhowmick; Singapore

15.30 - 16.00 Coffee Break

Session 9: Temporal and Spatial Databases
16.00 - 18.00 : Roberto Cornacchia, Netherlands

An Index-Based Method for Timestamped Event Sequence Matching
Sanghyun Park, Jung-Im Won, Jee-Hee Yoon, Sang-Wook Kim; Korea

Time Parameterized Interval R-tree for Tracing Tags in RFID Systems
ChaeHoon Ban, BongHee Hong, DongHyun Kim; Korea

Efficient Algorithms for Constructing Time Decompositions for Time Stamped
Parvathi Chundi, Rui Zhang, Daniel J. Rosenkrantz; USA

Querying by Sketch Geographical Databases and Ambiguities
Fernando Ferri, Patrizia Grifoni, Maurizio Rafanelli; Italy

Thursday, 25 August 2005

9.00 - 10.00

Foundations for Automated Trading --- Its the Information that Matters
John Debenham, University of Technology, Sydney

10.00 - 10.30 Coffee Break

Session 10A: Querying XML
10.30 - 12.30 Chair: N.N.

Intentional Query Answering to XQuery expressions
Simone Gasparini, Elisa Quintarelli; Italy

Optimizing Sorting and Duplicate Elimination in XQuery Path Expressions
Mary Fernandez, Jan Hidders, Philippe Michiels, Jerome Simeon, Roel Vercammen;

SIOUX: An Efficient Index for Processing Structural XQueries
G. Gardarin, L. Yeh; France

Searching Multi-Hierarchical XML Documents: the Case of Fragmentation
Alex Dekhtyar, Ionut E. Iacob, Srikanth Methuku; USA

Session 10B: Organisational Aspects of Databases
10.30 - 12.30 Chair: John Debenham, Australia

Semantic Storage: A Report on Performance and Flexibility
Edgar R. Weippl, Markus Klemen, Manfred Linnert, Stefan Fenz, Gernot Goluch,
A Min Tjoa; Austria

Towards truly extensible database systems
Ralph Acker, Roland Pieringer, Rudolf Bayer; Germany

Transaction management with integrity checking
Davide Martinenghi, Henning Christiansen; Denmark

An optimal skew-insensitive join and multi-join algorithm for distributed architecture
M. Bamha; France

12.30 - 14.00 Lunch

Session 11A: Natural language processing
14.00 - 15.30 Chair: Davide Martinenghi, Denmark

Evaluation with judge
Didier Nakache, Elisabeth Metais; France

Movies Recommenders Systems : Automation of the information and evaluation
phases in a Multi-Criteria Decision-Making Process
Michel Plantié, Jacky Montmain, Gérard Dray ; France

On Building a DyQE - A Medical Information System for Exploring Imprecise Queries
Dennis Wollersheim, Wenny J. Rahayu; Australia

Session 11B: Ontologies
14.00 - 15.30 Chair: Rudolf Bayer, Germany

A proposal for a Unified Process for ONtology building: UPON
Antonio De Nicola, Michele Missikoff, Roberto Navigli; Italy

Transforming Software Package Classification Hierarchies into Goal-Based Taxonomies
Claudia P. Ayala, Xavier Franch; Spain

Approximations of concept based on Multielement Bounds
Jianjiang Lu, Baowen Xu, Dazhou Kang, Yanhui Li, Wang Peng; China

15.30 - 16.00 Coffee Break

Session 12A: Web Data Extraction I
16.00 - 17.00 Chair: Mostafa Bamha, France

Query Expansion using Web Access Log Files
Yun Zhu, Gruenwald Le; USA

An XML Approach to Semantically Extract Data From HTML Tables
Jixue Liu, Hohyun Park, Zhuoyun Ao, Yongfeng Chen; Australia

Session 12B: Semantic Web
16.00 - 17.00 Chair: Alexander Dekhtyar, USA

Automatic Generation of Semantic Fields for Resource Discovery in the Semantic
Ismael Navas-Delgado, Ismael Sanz, Jose F. Aldana-Montes, Rafael Berlanga; Spain

JeromeDL - Managing Digital Library Database with the Semantic Web Technologies
Sebastian Ryszard Kruk, Stefan Decker, Lech Zieborak; Ireland

Friday, 26 August 2005

Session 13A: Web Data Extraction II
9.00 - 10.00 Chair: N.N.

Analysis and Visualization of the DX Community with Information Extracted from
the Web
Fernando de la Rosa Troyano, María Teresa Gómez López, Rafael Martínez Gasca; Spain

Learning robust web wrappers
Bettina Fazzinga, Sergio Flesca, Andrea Tagarelli; Italy

Session 13B: Data Stream Management Systems
9.00 - 10.00 Chair: Botao Wang, Japan

Control-based Quality Adaptation in Data Stream Management Systems
Yi-Cheng Tu, Mohamed Hefeeda, Yuni Xia, Sunil Prabhakar; USA

Event Composition and Detection in Data Stream Management Systems
Mukesh Mohania, Dhruv Swamini, Sourav Bhowmick, Shyam Gupta, Tharam Dillon; India, Australia

10.00 - 10.30 Coffee break

Session 14A: Data Extraction
10.30 - 12.00 Chair: Sergio Flesca, Italy

Automatic Parsing of Sports Videos with Grammars
Kevin Lu; UK

Improved Sequential PAttern Mining using an Extended Bitmap Representation
Chien-Liang Wu, Jia-Ling Koh, Pao-Ying An; China

Dimension Transform Based Efficient Event Filtering for Symmetric Publish
Botao Wang, Masaru Kitsuregawa; Japan

Session 14B: Distributed Database Systems
10.30 - 12.30 Chair: Hakim Hacid, France

Scalable Distributed Aggregate Computations through Collaboration
Leonidas Galanis, David J. DeWitt; USA

Schemas and Queries over P2P
Pedro Furtado; Portugal

Threshold Based Declustering in High Dimensions
Ali Saman Tosun; USA

XG: A Data-driven Computation Grid for Enterprise-Scale Mining.
Radu Sion, Ramesh Natarajan, Inderpal Narang, Wen-Syan Li, Thomas Phan; USA

12.30 - 14.00 Lunch

Session 15A: Reasoning and Learning
14.00 - 15.30 Chair: N.N

A Rule System for Heterogeneous Spatial Reasoning In Geographic Information
Haibin Sun, Wenhui Li; China

Querying a Polynomial Constraint Object-Relational Database in Model-based
María Teresa Gómez López, Rafael Martínez Gasca,
Carmelo Del Valle Sevillano, Fernando De La Rosa Troyano; Spain

A Three-phase Knowledge Extraction Methodology Using Learning Classifier System
An-Pin Chen, Kuang-Ku Chen, Mu-Yen Chen; Taiwan

Session 15B: Network Management and Mobile Systems
14.00 - 15.30 Chair: Aleksei Pavlov, Germany

A Replica Allocation Method Adapting to Topology Changes in Ad Hoc Networks
Hideki Hayashi, Takahiro Hara, Shojiro Nishio; Japan

On a Collaborative Caching in a Peer-to-Peer Network for Push-based Broadcast
Kazuhiko Maeda, Wataru Uchida, Takahiro Hara, Shojiro Nishio; Japan

An Efficient Location Encoding Method Based on Hierarchical Administrative
SangYoon Lee, Sanghyun Park, Woo-Cheol Kim, Dongwon Lee; Korea

15.30 - 16.00 Coffee Break

Session 16A: Expert Systems and Decision Support
16.00 - 17.30 Chair: N.N.

Personalized and Community Decision Support in eTourism Intermediaries
Yu, Chien-Chih; China

Reengineering the Knowledge Component of a Data Warehouse-based Expert Diagnosis
Jean-François Beaudoin, Sylvain Delisle, Mathieu Dugré, Josée
St-Pierre ; Canada

A Model-Based Monitoring System for a Space-Based Astrometry Mission
Aleksei Pavlov, Sven Helmer, Guido Moerkotte; Germany

Session 16B: Information Modelling
16.00 - 17.00 Chair: Roland Wagner, Austria

An Effective Method For Locally Neighborhood Graphs Updating
Hakim Hacid , Abdelkader Djamel Zighed; France

Efficient Searching in Large Inheritance Hierarchies
Michal Krátký, Svatopluk Stolfa, Václav Sná?el, Ivo Vondrák; Czech Republic