712 search results - page 21 / 143 » Decoupled Query Optimization for Federated Database Systems |
117
Voted
ICMCS
2005
IEEE
15 years 7 months ago
2005
IEEE
This paper introduces a new approach of approximating the selectivity of multimedia range queries. Estimating the selectivity of a range query is a pre-requisite to optimize a mul...
125
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ADBIS
2007
Springer
15 years 8 months ago
2007
Springer
The exponential growth of the web and the extended use of database management systems in widely distributed information systems has brought to the fore the need for seamless interc...
244
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ICDE
2009
IEEE
16 years 3 months ago
2009
IEEE
Increasing prevalence of large-scale distributed monitoring and computing environments such as sensor networks, scientific federations, Grids etc., has led to a renewed interest in...
116
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SIGMOD
2010
ACM
15 years 6 months ago
2010
ACM
Current relational databases require that a database schema exist prior to data entry and require manual optimization for best performance. We describe the query optimization tech...
190
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ICDE
2002
IEEE
16 years 3 months ago
2002
IEEE
The ability to provide accurate and efficient result estimations of user queries is very important for the query optimizer in database systems. In this paper, we show that the tra...