1. Functional dependencies in XML data; 2. Deferred evaluation of path queries on hierarchical data; 3. The analysis of materialization process effectiveness strategies in AXML-baseddistributed systems; 4. Applying XVCL to building class diagram repository; 5. Data modeling at conceptual level; 6. Application of the invasive weed optimization algorithm for predetermination of the progress of the progress of distributed data merging process; 7. Data replication on mobile devices; 8. Interval possiblity distributions and their use in fuzzy databases; 9. Type-2 fuzzy logic controller for a mobile robot; 10. Application of data stream management system in signal processing task; 11. Conglomeration algebra as a tool for describing ontology processing problems; 12. PIPSDrugs ontology: a practical application of the SIM method; 13. A knowledge base incremental creation using a data base, ontology and expert knowledge; 14. Application of ontology to relational database semantics description in context of natural language queries analysis; 15. The Internet as a knowledge source in Knowledge Views; 16. Global decision taking on the basis of multi-agent system with a hierachical structure and ant algorythm; 17. Clustering collections of XTML documents having different structure types; 18. Analysis of hierarchical clustering algorithms for textual data; 19. Text documents' representation and trieval at databases systems; 20. Representations of text documents in context of SPAM detection in polish with english phrases; 21. Fuzzy weighted averaging of ECG signal using fuzzy partitioning of the signal and Bayesian; 22. A hybrid classifier based on SVM method for cancer classification; 23. Fuzzy Support Vector Machines based on density estimation with Gaussian mixture for multiclass problems; 24. Pattern queries for trajectory data warehouses; 25. Index structures integrated with materialized aggregate list for trajectory data warehouse; 26. Algorithm for precise frontal face detection; 27. Selected issues of rough sets and database integration.