8331 search results - page 51 / 1667 » Data Aggregation Sets in Adaptive Data Model |
172
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DMDW
2000
15 years 5 months ago
2000
Data warehousing is a software infrastructure which supports OLAP applications by providing a collection of tools which allow data extraction and cleaning, data integration and ag...
140
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SIGMOD
1996
ACM
15 years 8 months ago
1996
ACM
Decision support applications involve complex queries on very large databases. Since response times should be small, query optimization is critical. Users typically view the data ...
143
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IKE
2007
15 years 5 months ago
2007
The paper presents an integrated set-theoretic data model that offers a framework for defining a unified schema for any database environment. We utilise the concepts ”entity...
219
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DC
2008
15 years 4 months ago
2008
We study the problem of maintaining a sketch of recent elements of a data stream. Motivated by applications involving network data, we consider streams that are asynchronous, in wh...
135
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CIDM
2009
IEEE
15 years 11 months ago
2009
IEEE
— Many real-world applications have problems when learning from imbalanced data sets, such as medical diagnosis, fraud detection, and text classification. Very few minority clas...