3. HDMS 2004: Athens, Greece

Peer-To-Peer

• Nikos Ntarmos, Peter Triantafillou: SeAl: Managing Acesses and Data in Peer-to-Peer Data Sharing Networks. BibTeX
• Peter Triantafillou, Nikos Ntarmos, Theoni Pitoura: The RangeGuard: Range Query Optimization in Peer-to-Peer Data Networks. BibTeX
• Giorgos Kokkinidis, Vassilis Christophides: Semantic Query Routing and Processing in P2P Database Systems: The ICS FORTH SQPeer Middleware. BibTeX

Spatiotemporal Databases, Data Mining and OLAP

• Sotiris Brakatsoulas, Dieter Pfoser, Nectaria Tryfona: Modelling Storing and Mining Moving Object Databases. BibTeX
• Marios Hadjieleftheriou, George Kollios, Dimitrios Gunopulos, Vassilis J. Tsotras: Sketching Techniques for Spatio-temporal Density Queries. BibTeX
• Alkis Simitsis, Panos Vassiliadis, Timos K. Sellis: Modeling ETL Processes in Conceptual Level. BibTeX
• Emmanuel D. Pontikakis, Vassilios S. Verykios, Yannis Theodoridis: On the Comparison of Association Rule Hiding Heuristics. BibTeX

Short Papers

• Manos Papagelis, Dimitris Plexousakis, I. Rousidis, E. Theoharopoulos: Qualitative Analysis of User-based and Item-based Prediction Algorithms for Recommendation Systems. BibTeX
• Konstantinos Morfonios, S. Konakas, Yannis E. Ioannidis, Nikolaos Kotsis: ROLAP Implementations of the Data Cube: Efficient Methods and Algorithms. BibTeX
• Ioannis Karydis, Alexandros Nanopoulos, Yannis Manolopoulos: On Finding the Maximum-Length Repeating Patterns in Music Databases: An Efficient Algorithm. BibTeX

System Issues

• Jonathan Beaver, Kirk Pruhs, Panos K. Chrysanthis, Vincenzo Liberatore: The Multicast Pull Advantage in Dissemination-based Data Delivery. BibTeX
• Shimin Chen, Anastassia Ailamaki, Phillip B. Gibbons, Todd C. Mowry: Improving Hash Join Performance through Prefetching. BibTeX

Personalization and Metadata

• Georgia Koutrika, Yannis E. Ioannidis: Personalized Queries Using a Generalized Preference Model. BibTeX
• Christos Doulkeridis, Michalis Vazirgiannis: Updating a Context-Aware Service Directory for M-Services. BibTeX
• Chrisa Tsinaraki, Panagiotis Polydoros, Stavros Christodoulakis: Integration of OWL Ontologies in MPEG-7 and TV-Anytime Compliant Semantic Indexing. BibTeX
• George Papamarkos, Alexandra Poulovassilis, Peter T. Wood: RDFTL: An Event-Condition-Action Language for RDF. BibTeX

XML, Document Filtering and Visual Languages

• Theodore Dalamagas, Tao Cheng, Klaas-Jan Winkel, Timos K. Sellis: A Methodology for Clustering XML documents using Tree Summaries and Structural Distance Metrics. BibTeX
• Neoklis Polyzotis, Minos N. Garofalakis, Yannis E. Ioannidis: Approximate Twig-Query Processing. BibTeX
• Stavros Polyviou, Paraskevas Evripidou, George Samaras: Query by Example: A Visual Query Language Based on the Relational Model and the Desktop User Interface Paradigm. BibTeX
• Christos Tryfonopoulos, Manolis Koubarakis, Yannis Drougas: Filtering Algorithms for Information Retrieval Models with Named Attributes and Proximity Operators. BibTeX

Invited Tutorial

• Minos N. Garofalakis: Sketching Techniques for Data-Stream Analysis. BibTeX

Invited Talk

• Vassilis Christophides: From Semi-Structured Data to the Semantic Web. BibTeX

PhD Workshop

• Giorgos Flouris: Belief Change in Arbitrary Logics. BibTeX
• Alkis Simitsis: ETL Processes in Data Warehouse Enviroments. BibTeX