Download Data Warehousing and Knowledge Discovery: 13th International by João Pedro Costa, José Cecílio, Pedro Martins, Pedro Furtado PDF

By João Pedro Costa, José Cecílio, Pedro Martins, Pedro Furtado (auth.), Alfredo Cuzzocrea, Umeshwar Dayal (eds.)

This e-book constitutes the refereed lawsuits of the thirteenth foreign convention on info Warehousing and information Discovery, DaWak 2011 held in Toulouse, France in August/September 2011.

The 37 revised complete papers provided have been conscientiously reviewed and chosen from 119 submissions. The papers are geared up in topical sections on actual and conceptual information warehouse versions, info warehousing layout methodologies and instruments, information warehouse functionality and optimization, trend mining, matrix-based mining ideas and circulation, sensor and time-series mining.

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Extra info for Data Warehousing and Knowledge Discovery: 13th International Conference, DaWaK 2011, Toulouse, France, August 29-September 2,2011. Proceedings

Sample text

If we consider the SellDate hierarchy of our example schema and want to map from the year 2010 to the year 2011, a mapping function f2010→2011 must provide a mapping for all dimension values that are in the partial ordering below 2010 to the respective values in the hierarchy below 2011. Thus Q1-2010 would be mapped to Q1-2011 and so on. Duplication. The value mapping operator from the previous section modifies fact-dimension relations, but the set of facts is not changed. To introduce new facts, as it is necessary for a copy function, we add the duplication operator to the model, which duplicates the facts of an M O.

Oliveira et al. 10. : GRAnD: A Goal-Oriented Approach to Requirement Analysis in Data Warehouses. Decision Support Systems 45, 18 (2008) 11. : A Model Driven Modernization Approach for Automatically Deriving Multidimensional Models in Data Warehouses. , Thalheim, B. ) ER 2007. LNCS, vol. 4801, pp. 56–71. Springer, Heidelberg (2007) 12. : Dimensional Templates in Data Warehouses: Automating the Multidimensional Design of Data Warehouse Prototypes. , Cordeiro, J. ) Enterprise Information Systems.

CEUR (2002) 7. : A Method for Demand-Driven Information Requirements Analysis in Data Warehousing Projects. In: 36th Hawaii International Conference on System Sciences, HICSS 2003, pp. 1359–1365. IEEE Computer Society, Los Alamitos (2002) 8. : A UML-based Data Warehouse Design Method. Journal of Decision Support Systems 42(3), 1449–1473 (2006) 9. : Designing Web Warehouses from XML Schemas. , W¨ oß, W. ) DaWaK 2003. LNCS, vol. 2737, pp. 89–98. Springer, Heidelberg (2003) 38 R. Oliveira et al. 10.

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