995 search results - page 126 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
106
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AI
2005
Springer
15 years 4 months ago
2005
Springer
Abstract. In this paper, we propose that the select operator in relational databases be adopted for incorporating evidence in Bayesian networks. This approach does not involve the ...
115
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DEXA
2005
Springer
15 years 7 months ago
2005
Springer
Abstract. The development of scalable parallel database systems requires the design of efficient algorithms for the join operation which is the most frequent and expensive operatio...
124
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TVCG
2002
15 years 1 months ago
2002
Image databases are nowadays widely exploited in a number of different contexts, ranging from history of art, through medicine, to education. Existing querying paradigms are based ...
121
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SIGMOD
2004
ACM
16 years 2 months ago
2004
ACM
The rich dependency structure found in the columns of real-world relational databases can be exploited to great advantage, but can also cause query optimizers--which usually assum...
186
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SIGMOD
2007
ACM
16 years 2 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...