2223 search results - page 146 / 445 » Query Optimization in an OODBMS |
145
Voted
PPAM
2005
Springer
15 years 9 months ago
2005
Springer
Abstract. In this paper we deal with the problem of finding an optimal query execution plan in database systems. We improve the analysis of a polynomial-time approximation algorit...
115
Voted
ERSHOV
2006
Springer
15 years 7 months ago
2006
Springer
In this work, we present a semantic query optimization technique to improve the efficiency of the evaluation of a subset of SQL:1999 recursive queries. Using datalog notation, we c...
170
Voted
SODA
2008
ACM
15 years 5 months ago
2008
ACM
We address the extension of the binary search technique from sorted arrays and totally ordered sets to trees and tree-like partially ordered sets. As in the sorted array case, the...
214
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SIGMOD
2006
ACM
16 years 3 months ago
2006
ACM
Data streaming systems are becoming essential for monitoring applications such as financial analysis and network intrusion detection. These systems often have to process many simi...
149
Voted
SODA
2000
ACM
15 years 5 months ago
2000
ACM
Most research in algorithms for geometric query problems has focused on their worstcase performance. However, when information on the query distribution is available, the alternat...