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Tài liệu Advances in Database Technology- P1 pptx

Tài liệu Advances in Database Technology- P1 pptx

... computa- tional origins and information systems engineering aspects have received scant attention. The development within the GRID community of the W3C-inspired OGSA indicates a willingness to move in a direction ... commercial IT (Information Technology) including process plant control, management information and decision support systems, IT- assisted business processes and their re-en...
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Tài liệu Advances in Database Technology- P2 ppt

Tài liệu Advances in Database Technology- P2 ppt

... nodes (as in routing indexes [19]) providing for each node a partial view of the system. Our approach is based on unstructured P2P systems with distributed indexes. We propose maintaining as indexes ... Filters. VLDB International Workshop on Databases, Information Systems and Peer-to-Peer Computing, 2003. A. Crespo, H. Garcia-Molina. Routing Indices for Peer-to-Peer Systems. In ICDC...
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Tài liệu Advances in Database Technology- P3 docx

Tài liệu Advances in Database Technology- P3 docx

... 2000. T. Imielinski, S. Viswanathan, and B. Badrinath. Energy efficient indexing on air. In SIGMOD, 1994. J.Kucera and U. Lott. Single chip 1.9 ghz transceiver frontend mmic including Rx/Tx local oscillators ... approaches in query processing for moving object trajectories. In VLDB, 2000. S. Prabhakar, Y. Xia, D. V. Kalashnikov, W. G. Aref, and S. E. Hambrusch. Query indexing and velo...
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Tài liệu Advances in Database Technology- P4 pdf

Tài liệu Advances in Database Technology- P4 pdf

... is based upon ciphertext, while, in the second, the intermediate index is based upon plaintext and the final index is obtained by encrypting the intermediate index. Based upon characteristics ... conforming to the NSM structure. During insertion, a record is split into two sub-records and each is inserted into its corresponding mini-page (sensitive or non-sensitive). As described in Secti...
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Tài liệu Advances in Database Technology- P5 pdf

Tài liệu Advances in Database Technology- P5 pdf

... of Data Mining. ACM SIGMOD Workshop on Research Issues in Data Mining and Knowledge Discove ry, (1996) 15–19. Clifton C., Kantarcioglu M., Vaidya J.: Defining Privacy for Data Mining. National Science ... Preserving Data Mining 195 data set is a good substitute for privacy preserving data mining algorithms. For each dimension pair let the corresponding entries in the covariance matrix f...
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Tài liệu Advances in Database Technology- P6 docx

Tài liệu Advances in Database Technology- P6 docx

... relational databases into an XML format or to store the information in an XML object in a relational database, increasing the cost of e-business development. Moreover, specifying the mapping in the application ... (such as preceding-sibling and following-sibling). Even more complex are the following and preceding axes. Our goal in normalizing the Xpath expression is to bring it to a f...
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Tài liệu Advances in Database Technology- P7 ppt

Tài liệu Advances in Database Technology- P7 ppt

... optimizer. Phonetic Matching. Most database systems allow matching text strings using pseudo- phonetic Soundex algorithm originally defined in [11], primarily for Latin-based scripts. In summary, while ... environment. 5.3 Phonetic Indexing We now outline a phonetic indexing technique that may be used for accessing the near- equal phonemic strings, using a standard database index. We ex...
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Tài liệu Advances in Database Technology- P8 docx

Tài liệu Advances in Database Technology- P8 docx

... designing the annotation specifications, considering the specifics of data integrity constraint checking, and ascertaining the impact on particular tools remain challenging (and interesting) tasks. focuses ... Reasoning with Cardinal Directions. In Proceedings of the 7th International Conference on Principles and Practice of Constraint Programming (CP’02), volume 2470 of LNCS, pages 341– 35...
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Tài liệu Advances in Database Technology- P9 docx

Tài liệu Advances in Database Technology- P9 docx

... pruning steps using can be done to do more effective pruning, since the two sets are symmetric in this join problem. 4 Constructing NNH Using Good Pivots Pivot points are vital to NNH for obtaining ... between index nodes from corresponding trees in a priority queue and recursively (top-down) refining the search. In this case, using histograms, one could perform, in addition to the ty...
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