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Published by VDM Verlag Dr. Mueller E.K., DE, 2008
ISBN 10: 3639014197 ISBN 13: 9783639014198
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Condition: New.
Language: English
Published by VDM Verlag Dr. Mueller E.K., 2008
ISBN 10: 3639014197 ISBN 13: 9783639014198
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Condition: New.
Seller: GreatBookPricesUK, Woodford Green, United Kingdom
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Language: English
Published by VDM Verlag Dr. Müller, VDM Verlag Dr. Müller E.K., 2008
ISBN 10: 3639014197 ISBN 13: 9783639014198
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Taschenbuch. Condition: Neu. Neuware - Propositionalization is a process that leads from relational data and background knowledge to a single-table representation thereof, which serves as the input to widespread systems for knowledge discovery in databases. Systems for propositionalization thus support the analyst during the usually costly phase of data preparation for data mining. We present a framework that allows for a unified description of approaches to propositionalization. Within our framework, we systematically enhance existing approaches with techniques well-known in the area of relational databases, especially the application of aggregate functions. Further, we suggest special database schema transformations for efficiency reasons. We put special emphasis on empirical investigations into the spectrum of approaches. Data set sizes vary across different orders of magnitude, up to several million data points. Also, the domains are diverse, ranging from biological data sets to financial ones, in order to demonstrate the broad applicability of propositionalization.
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Add to basketPAP. Condition: New. New Book. Delivered from our UK warehouse in 4 to 14 business days. THIS BOOK IS PRINTED ON DEMAND. Established seller since 2000.