995 search results - page 143 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
IPPS
2009
IEEE
15 years 8 months ago
2009
IEEE
In this paper, we explore the problem of mapping filtering services on large-scale heterogeneous platforms. Two important optimization criteria should be considered in such a fra...
107
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DMDW
2000
15 years 3 months ago
2000
As views in a data warehouse become more complex, the view maintenance process can become very complicated and potentially very inefficient. Storing auxiliary views in the warehou...
134
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SIGMOD
2011
ACM
14 years 4 months ago
2011
ACM
We study the problem of generating synthetic databases having declaratively specified characteristics. This problem is motivated by database system and application testing, data ...
113
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ICDE
2009
IEEE
15 years 8 months ago
2009
IEEE
— Information Systems are subject to a perpetual evolution, which is particularly pressing in Web Information Systems, due to their distributed and often collaborative nature. Su...
124
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TKDE
2011
14 years 8 months ago
2011
— Search queries on biomedical databases, such as PubMed, often return a large number of results, only a small subset of which is relevant to the user. Ranking and categorization...