Database and Expert Systems Applications : 12th International Conference, DEXA 2001 Munich, Germany, September 2001 - Proceedings

th DEXA 2001, the 12 International Conference on Database and Expert Systems Applications was held on September 3–5, 2001, at the Technical University of Munich, Germany. The rapidly growing spectrum of database applications has led to the establishment of more specialized discussion platforms (DaWaK conference, EC Web conference, and DEXA workshop), which were all held in parallel with the DEXA conference in Munich. In your hands are the results of much effort, beginning with the preparation of the submitted papers. The papers then passed through the reviewing process, and the accepted papers were revised to final versions by their authors and arranged with the conference program. All this culminated in the conference itself. A total of 175 papers were submitted to this conference, and I would like to thank all the authors. They are the real base of the conference. The program committee and the supporting reviewers produced altogether 497 referee reports, on average of 2.84 reports per paper, and selected 93 papers for presentation. Comparing the weight or more precisely the number of papers devoted to particular topics at several recent DEXA conferences, an increase can be recognized in the areas of XMS databases, active databases, and multi and hypermedia efforts. The space devoted to the more classical topics such as information retrieval, distribution and Web aspects, and transaction, indexing and query aspects has remained more or less unchanged. Some decrease is visible for object orientation.

Invited Talk.- XML Databases: Modeling and Multidimensional Indexing.- Advanced Databases I.- Updatability in Federated Database Systems.- Designing Semistructured Databases: A Conceptual Approach.- Meaningful Change Detection on the Web?.- Definition and Application of Metaclasses.- Information Retrieval Aspects I.- XSearch: A Neural Network Based Tool for Components Search in a Distributed Object Environment.- Information Retrieval by Possibilistic Reasoning.- Extracting Temporal References to Assign Document Event-Time Periods*.- Techniques and Tools for the Temporal Analysis of Retrieved Information.- Digital Libraries.- Page Classification for Meta-data Extraction from Digital Collections.- A New Conceptual Graph Formalism Adapted for Multilingual Information Retrieval Purposes.- Flexible Comparison of Conceptual Graphs*.- Personalizing Digital Libraries for Learners.- User Interfaces.- Interface for WordNet Enrichment with Classification Systems.- An Architecture for Database Marketing Systems.- NChiql: The Chinese Natural Language Interface to Databases.- Advanced Databases II.- Pattern-Based Guidelines for Coordination Engineering.- Information Management for Material Science Applications in a Virtual Laboratory.- TREAT: A Reverse Engineering Method and Tool for Environmental Databases.- Information Retrieval Aspects II.- A Very Efficient Order Preserving Scalable Distributed Data Structure.- Business, Culture, Politics, and Sports How to Find Your Way through a Bulk of News? On Content-Based Hierarchical Structuring and Organization of Large Document Archives.- Feature Selection Using Association Word Mining for Classification.- Multimedia Databases.- Efficient Feature Mining in Music Objects.- An Information-Driven Framework for Image Mining.- A Rule-Based Scheme to Make Personal Digests from Video Program Meta Data.- Workflow Aspects.- Casting Mobile Agents to Workflow Systems: On Performance and Scalability Issues.- Anticipation to Enhance Flexibility of Workflow Execution.- Coordinating Interorganizational Workflows Based on Process-Views.- Advanced Databases III.- Strategies for Semantic Caching.- Information Flow Control among Objects in Role-Based Access Control Model.- Object Space Partitioning in a DL-Like Database and Knowledge Base Management System.- A Genome Databases Framework.- Lock Downgrading: An Approach to Increase Inter-transaction Parallelism in Advanced Database Applications1.- Information Retrieval Aspects III.- The SH-tree: A Super Hybrid Index Structure for Multidimensional Data.- Concept-based visual information management with large lexical corpus.- Pyramidal Digest: An Efficient Model for Abstracting Text Databases.- A Novel Full-Text Indexing Model for Chinese Text Retrieval1.- Active Databases.- Page Access Sequencing in Join Processing with Limited Buffer Space.- Dynamic Constraints Derivation and Maintenance in the Teradata RDBMS.- Improving Termination Analysis of Active Rules with Composite Events.- TriGS Debugger - A Tool for Debugging Active Database Behavior1.- Tab-Trees: A CASE Tool for the Design of Extended Tabular Systems?.- Spatial Databases.- A Framework for Databasing 3D Synthetic Environment Data.- GOLAP - Geographical Online Analytical Processing.- Declustering Spatial Objects by Clustering for Parallel Disks.- A Retrieval Method for Real-Time Spatial Data Browsing.- Designing a Compression Engine for Multidimensional Raster Data?.- Advanced Databases IV.- DrawCAD: Using Deductive Object-Relational Databases in CAD.- A Statistical Approach to the Discovery of Ephemeral Associations among News Topics*.- Improving Integrity Constraint Enforcement by Extended Rules and Dependency Graphs.- Statistical and Feature-Based Methods for Mobile Robot Position Localization.- Distributed Databases.- Efficient View Maintenance Using Version Numbers.- ?-Partitioning Algorithm: Vertical Partitioning Based on the Fuzzy Graph.- Using Market Mechanisms to Control Agent Allocation in Global Information Systems.- Web Aspects I.- Query Integration for Refreshing Web Views.- Size-Adjusted Sliding Window LFU - A New Web Caching Scheme.- ViDE: A Visual Data Extraction Environment for the Web.- WebSCAN: Discovering and Notifying Important Changes of Web Sites?.- Knowledge Aspects I.- Knowledge Base Maintenance through Knowledge Representation.- ANKON: A Multi-agent System for Information Gathering.- Mining Astronomical Data.- XML.- Integration of WWW Applications Based on Extensible XML Query and Processing Languages.- Incorporating Dimensions in XML and DTD?.- Keys with Upward Wildcards for XML.- Datawarehouses.- A Framework for the Classification and Description of Multidimensional Data Models.- Range Top/Bottom k Queries in OLAP Sparse Data Cubes.- On Formulation of Disjunctive Coupling Queries in WHOWEDA.- Web Aspects II.- Topic-Centric Querying of Web Information Resources.- WebCarousel: Automatic Presentation and Semantic Restructuring of Web Search Result for Mobile Environments.- Imposing Disjunctive Constraints on Inter-document Structure.- Knowledge Aspects II.- A Semi-automatic Technique for Constructing a Global Representation of Information Sources Having Different Formats and Structure.- Integration of Topic Maps and Databases: Towards Efficient Knowledge Representation and Directory Services.- Hypermedia.- A Spatial Hypermedia Framework for Position-aware Information Delivery Systems.- Ariadne, a Development Method for Hypermedia.- Index Aspects.- A General Approach to Compression of Hierarchical Indexes.- Index and Data Allocation in Mobile Broadcast.- Object-Oriented Databases I.- Modeling and Transformation of Object-Oriented Conceptual Models into XML Schema.- Adding Time to an Object-Oriented Versions Model1.- Cache Conscious Clustering C3.- Closed External Schemas in Object-Oriented Databases.- Transaction Aspects I.- Supporting Cooperative Inter-Organizational Business Transactions.- O2PC-MT: A Novel Optimistic Two-Phase Commit Protocol for Mobile Transactions.- Quorum-Based Locking Protocol in Nested Invocations of Methods.- Query Aspects I.- Applying Low-Level Query Optimization Techniques by Rewriting.- A Popularity-Driven Caching Scheme for Meta-search Engines: An Empirical Study+.- Towards the Development of Heuristics for Automatic Query Expansion.- Utilising Multiple Computers in Database Query Processing and Descriptor Rule Management.- Object-Oriented Databases II.- Estimating Object-Relational Database Understandability Using Structural Metrics.- CDM - Collaborative Data Model for Databases Supporting Groupware Applications.- Transaction Aspects II.- An Efficient Distributed Concurrency Control Algorithm using Two Phase Priority.- A New Look at Timestamp Ordering Concurrency Control.- Query Aspects II.- On the Evaluation of Path-oriented Queries in Document Databases.- Reasoning with Disjunctive Constrained Tuple-Generating Dependencies.- A Method for Processing Boolean Queries Using a Result Cache.- DEXA Position Paper.- Trends in Database Research.