56 search results - page 8 / 12 » Dynamic Structures for Top- k Queries on Uncertain Data |
185
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ICDE
2007
IEEE
15 years 10 months ago
2007
IEEE
Linear optimization queries retrieve the top-K tuples in a sliding window of a data stream that maximize/minimize the linearly weighted sums of certain attribute values. To effici...
SSDBM
2008
IEEE
15 years 3 months ago
2008
IEEE
Increasingly, many data sources appear as online databases, hidden behind query forms, thus forming what is referred to as the deep web. It is desirable to have systems that can pr...
106
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BIBE
2003
IEEE
15 years 2 months ago
2003
IEEE
We present a multi-dimensional indexing approach for fast sequence similarity search in DNA and protein databases. In particular, we propose effective transformations of subsequen...
112
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SIGMOD
1998
ACM
15 years 1 months ago
1998
ACM
Databases are increasingly being used to store multi-media objects such as maps, images, audio and video. Storage and retrieval of these objects is accomplished using multi-dimens...
COMPGEOM
2003
ACM
15 years 2 months ago
2003
ACM
We develop cache-oblivious data structures for orthogonal range searching, the problem of finding all T points in a set of N points in Êd lying in a query hyper-rectangle. Cache...