995 search results - page 31 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
169
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IDEAS
2010
IEEE
15 years 10 days ago
2010
IEEE
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
155
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PVLDB
2008
15 years 1 months ago
2008
The diversity and large volumes of data processed in the Natural Sciences today has led to a proliferation of highlyspecialized and autonomous scientific databases with inherent a...
108
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SIGMOD
2001
ACM
16 years 2 months ago
2001
ACM
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
119
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HICSS
2011
IEEE
14 years 5 months ago
2011
IEEE
— Decision optimization is used in many applications such as those for finding the best course of action in emergencies. However, optimization solutions require considerable mat...
137
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EDBT
2010
ACM
15 years 3 months ago
2010
ACM
Keyword-based search in relational databases allows users to discover relevant information without knowing the database schema or using complicated queries. However, such searches...