Titlebook: Investment Management and Mismanagement; History, Findings, a Seth C. Anderson Book 2006 Springer-Verlag US 2006 Finance.Investment.anomali

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ing on flat data files or relational databases. Since data cube server is usually a required component in an analytical system for answering OLAP queries, we essentially provide “free” classification by eliminating the dominant I/O overhead of scanning the massive original data set. Our new algorith

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the web warehouse. We compared our approach with a rewriting approach to storage and maintenance of the XML web warehouse by experiments. Performance evaluation shows that our approach is more efficient than the rewriting approach in terms of the response time and storage space of the web warehouse.

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