3225 search results - page 494 / 645 » Query Optimization by Stored Queries |
236
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ICDE
1997
IEEE
16 years 6 months ago
1997
IEEE
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...
226
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SIGMOD
2005
ACM
16 years 5 months ago
2005
ACM
We present a method to evaluate path queries based on the novel concept of partial path instances. Our method (1) maximizes performance by means of sequential scans or asynchronou...
149
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SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
We make two main contributions in this paper. First, we motivate and introduce a novel class of data mining problems that arise in labeling a group of mass spectra, specifically f...
172
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SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
We present new algorithms on commodity graphics processors to perform fast computation of several common database operations. Specifically, we consider operations such as conjunct...
142
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SIGMOD
2002
ACM
16 years 5 months ago
2002
ACM
The availability of summary data for XML documents has many applications, from providing users with quick feedback about their queries, to cost-based storage design and query opti...