Vicky Nassis, R. Rajugan, Tharam S. Dillon, Wenny Rahayu's Data Warehousing and Knowledge Discovery: 6th International PDF

By Vicky Nassis, R. Rajugan, Tharam S. Dillon, Wenny Rahayu (auth.), Yahiko Kambayashi, Mukesh Mohania, Wolfram Wöß (eds.)

ISBN-10: 354022937X

ISBN-13: 9783540229377

ISBN-10: 3540300767

ISBN-13: 9783540300762

This booklet constitutes the refereed lawsuits of the sixth overseas convention on info Warehousing and information Discovery, DaWaK 2004, held in Zaragoza, Spain, in September 2004.

The forty revised complete papers offered have been rigorously reviewed and chosen from over a hundred submissions. The papers are prepared in topical sections on facts warehouse layout; wisdom discovery framework and XML info mining, info cubes and queries; multidimensional schema and information aggregation; inductive databases and temporal ideas; business functions; facts clustering; info visualization and exploration; info type, extraction, and interpretation; facts semantics, organization rule mining; occasion series mining; and trend mining.

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Additional info for Data Warehousing and Knowledge Discovery: 6th International Conference, DaWaK 2004, Zaragoza, Spain, September 1-3, 2004. Proceedings

Example text

5. L. Bellatreche, M. Schneider, M. Mohania, and B. Bhargava, “Partjoin : an efficient storage and query execution design strategy for data warehousing”, Proc. Int. Conf. on Data Warehousing and Knowledge Discovery (DAWAK), pp. 296-306, 2002. 6. L. Bellatreche, M. Schneider, Lorinquer, H. and M. php 7. S. Chaudhuri and V. , “An efficient cost-driven index selection tool for microsoft sql server”, in Proc. Int. Conf. on Very Large Databases (VLDB), 1997, pp. 146-155. Bringing Together Partitioning, Materialized Views and Indexes 25 8.

1998) 11. , Han, J.. Fundamentals of spatial data warehousing for geographic knowledge discovery. H. J. Miller and J. Han (Editors) Geographic Data Mining and Knowledge Discovery. (2001) 12. , Bédard, Y. : Towards better support for spatial decision-making: Defining the characteristics of Spatial On-Line Analytical Processing (SOLAP). Geomatica, 55(4). (2001) 13. , R. : Map Cube: A Visualization Tool for Spatial Data Warehouses. In: H, Miller and J. Han (Editors), Geographic data mining and knowledge discovery.

1. Example Layout of R1 and R2 40 Pedro Furtado The partition and replicate strategy (PRS) [15] involves partitioning into two fragments and sending to site 2. Relation is sent to site 1 and then each site processes its part of the join: processed in parallel in sites 1 and 2, where denotes an equi-join on attribute A. Using hash-partitioning [5, 8, 12], it is possible to obtain a more efficient result. We first define hash-partitioning. Definition 1. A relation Ri is hash-partitioned on attribute A into d disjoint fragments if 1) 2) for and 3 ) where h ( ) i s a hash function and is a constant for a given j.

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Data Warehousing and Knowledge Discovery: 6th International Conference, DaWaK 2004, Zaragoza, Spain, September 1-3, 2004. Proceedings by Vicky Nassis, R. Rajugan, Tharam S. Dillon, Wenny Rahayu (auth.), Yahiko Kambayashi, Mukesh Mohania, Wolfram Wöß (eds.)


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