Database and Expert Systems Applications

1. Queries II (Multidimensional Indexing)

   1. Optimal Subspace Dimensionality for k-NN Search on Clustered Datasets

      • Yue Li, Alexander Thomasian, Lijuan Zhang

      Pages 201-211

   2. PCR-Tree: An Enhanced Cache Conscious Multi-dimensional Index Structures

      • Young Soo Min, Chang Yong Yang, Jae Soo Yoo, Jeong Min Shim, Seok Il Song

      Pages 212-222

2. Knowledge Processing und Information Retrieval

   1. Classification Decision Combination for Text Categorization: An Experimental Study

      • Yaxin Bi, David Bell, Hui Wang, Gongde Guo, Werner Dubitzky

      Pages 222-231

   2. Information Extraction via Automatic Pattern Discovery in Identified Region

      • Liping Ma, John Shepherd

      Pages 232-242

   3. CRISOL: An Approach for Automatically Populating Semantic Web from Unstructured Text Collections

      • Roxana Danger, Rafael Berlanga, José Rui’z-Shulcloper

      Pages 243-252

   4. Text Categorization by a Machine-Learning-Based Term Selection

      • Javier Fernández, Elena Montañés, Irene Díaz, José Ranilla, Elías F. Combarro

      Pages 253-262

3. Queries III (XML)

   1. Update Conscious Inverted Indexes for XML Queries in Relational Databases

      • Dong-Kweon Hong, Kweon-Yang Kim

      Pages 263-272

   2. A Selective Key-Oriented XML Index for the Index Selection Problem in XDBMS

      • Beda Christoph Hammerschmidt, Martin Kempa, Volker Linnemann

      Pages 273-284

   3. SUCXENT: An Efficient Path-Based Approach to Store and Query XML Documents

      • Sandeep Prakas, Sourav S. Bhowmick, Sanjay Madria

      Pages 285-295

   4. Querying Distributed Data in a Super-Peer Based Architecture

      • Zohra Bellahsène, Mark Roantree

      Pages 296-305

4. Digital Libraries and Information Retrieval I

   1. Phrase Similarity through the Edit Distance

      • Manuel Vilares, Francisco J. Ribadas, Jesús Vilares

      Pages 306-317

   2. A Document Model Based on Relevance Modeling Techniques for Semi-structured Information Warehouses

      • Juan Manuel Pérez, Rafael Berlanga, María José Aramburu

      Pages 318-327

   3. Retrieving Relevant Portions from Structured Digital Documents

      • Sujeet Pradhan, Katsumi Tanaka

      Pages 328-338

5. Query IV (OLAP)

   1. Parallel Hierarchical Data Cube for Range Sum Queries and Dynamic Updates

      • Jianzhong Li, Hong Gao

      Pages 339-348

   2. A Bitmap Index for Multidimensional Data Cubes

      • Yoonsun Lim, Myung Kim

      Pages 349-358

   3. Analytical Synopses for Approximate Query Answering in OLAP Environments

      • Alfredo Cuzzocrea, Ugo Matrangolo

      Pages 359-370

6. Digital Libraries and Information Retrieval II

   1. Morphological and Syntactic Processing for Text Retrieval

      • Jesús Vilares, Miguel A. Alonso, Manuel Vilares

      Pages 371-380

   2. Efficient Top-k Query Processing in P2P Network

      • Yingjie He, Yanfeng Shu, Shan Wang, Xiaoyong Du

      Pages 381-390

   3. Improved Data Retrieval Using Semantic Transformation

      • Barry G. T. Lowden, Jerome Robinson

      Pages 391-400

   4. A Structure-Based Filtering Method for XML Management Systems

      • Olli Luoma

      Pages 401-410

DEXA 2004, the 15th International Conference on Database and Expert Systems Applications, was held August 30 ? September 3, 2004, at the University of Zaragoza, Spain. The quickly growing spectrum of database applications has led to the establisment of more specialized discussion platforms (DaWaK Conference, EC-Web Conference, EGOVConference, Trustbus Conference and DEXA Workshop: Every DEXA event has its own conference proceedings), which were held in parallel with the DEXA Conference also in Zaragoza. In your hands are the results of much effort. The work begins with the preparation of the submitted papers, which then go through the reviewing process. The accepted papers are revised to final versions by their authors and are then arranged within the conference program. All culminates in the conference itself. For this conference 304 papers were submitted, and I want to thank to all who contributed to it; they are the real base of the conference. The program committee and the supporting reviewers produced altogether 942 referee reports, in average 3,1 reports per paper, and selected 92 papers for presentation. At this point we would like to say many thanks to all the institutions that actively supported this conference and made it possible. These were: • University of Zaragoza • FAW • DEXA Association • Austrian Computer Society

• DBMS
• bioinformatics
• concurrency
• database
• database administration
• database design
• database management
• databases
• deductive database
• expert systems
• information retrieval
• information systems
• performance
• relational database
• workflow systems

• University of Zaragoza, Zaragoza

  Fernando Galindo

• Seikei University, Japan

  Makoto Takizawa

• Institute of Informatics in Business and Government, University of Linz, Linz, Austria

  Roland Traunmüller

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