Titlebook: Database and Expert Systems Applications; 21st International C Pablo García Bringas,Abdelkader Hameurlain,Gerald Conference proceedings 20

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Wilhelm Krelle,Hermann Sarrazinimensions is crucial to successful integration. Existing notions of dimension compatibility rely on given and exact dimension hierarchy information being available. In this paper, we propose to infer aggregation hierarchies for dimensions from a database instance and use these inferred aggregation h

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Alessandro Roncaglia,Mario Tonveronachises use standard dimensional schema designs to organize their data. However, current data warehousing schema designs fall short in their ability to model the multi-granular data found in various real-world application domains. For example, modern farm equipment in a field produces massive amounts of

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Mario Damill,Roberto Frenkel,Martín Rapetti a region into subregions by using pivots, and construct a tree structure index. A problem in the existing indexes is that they only focus on the pruning objects and do not take into consideration the tree balancing. The balance of the indexes depends on the data distribution and the indexes don’t r

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Global Governance for Financial Stabilityted with one or more time intervals; during these time intervals, the total cost of this spanning tree is the least among all spanning trees. The TSMST problem aims to identify a collection of distinct minimum spanning trees and their respective time-sub-intervals. This is an important problem in sp

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Transforms, Diagrams and Representationsn algorithms are used for prediction (including forecasting of time-series data), inference, hypothesis testing, and modeling of causal relationships. Although this problem has been studied extensively, most of these approaches are not generic in that they require the user to make an intelligent gue

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Moral Hazard and Insurance Contractsally used for the reinforcement of rubber compounds. Nevertheless, the exact reason behind its success in this concrete domain remains unknown. Characterisation of rubber nano-aggregates aims to answer this question. The morphology of the nano-aggregate takes an important part in the final result of

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Visual-Acuity