2514 search results - page 32 / 503 » On the Computation of Approximations of Database Queries |
171
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DEXA
2008
Springer
15 years 8 months ago
2008
Springer
In this research, we propose to use the discrete cosine transform to approximate the cumulative distributions of data cube cells' values. The cosine transform is known to have...
163
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CHI
2005
ACM
16 years 6 months ago
2005
ACM
We introduce approximate query techniques for searching and analyzing two-dimensional data sets such as line or scatter plots. Our techniques allow users to explore a dataset by d...
312
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Abstract-- Answering approximate queries on string collections is important in applications such as data cleaning, query relaxation, and spell checking, where inconsistencies and e...
154
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ICDT
2010
ACM
16 years 3 months ago
2010
ACM
Sources of data uncertainty and imprecision are numerous. A way to handle this uncertainty is to associate probabilistic annotations to data. Many such probabilistic database mode...
160
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VLDB
2005
ACM
15 years 11 months ago
2005
ACM
This paper addresses the efficient processing of top-k queries in wide-area distributed data repositories where the index lists for the attribute values (or text terms) of a query...