735 search results - page 86 / 147 » Query Optimization In Compressed Database Systems |
PPAM
2005
Springer
14 years 2 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...
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
As applications within and outside the enterprise encounter increasing volumes of unstructured data, there has been renewed interest in the area of information extraction (IE) ? t...
SIGMOD
2009
ACM
14 years 9 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
BTW
2003
Springer
14 years 2 months ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
BDA
2007
13 years 10 months ago
2007
Sharing huge, massively distributed databases in P2P systems is inherently difficult. As the amount of stored data increases, data localization techniques become no longer suffi...