1160 search results - page 4 / 232 » Query Processing and Optimization for Pictorial Query Trees |
ICDE
2010
IEEE
15 years 6 months ago
2010
IEEE
A fundamental problem in XML query processing is tree pattern query (TPQ) matching which computes all data instances in an XML database that match an input TPQ. There is a lot of r...
PPAM
2005
Springer
15 years 9 days 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...
143
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VLDB
2007
ACM
15 years 7 months ago
2007
ACM
A "plan diagram" is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. We have shown recently tha...
171
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ICDE
1996
IEEE
15 years 8 months ago
1996
IEEE
Query folding refers to the activity of determining if and how a query can be answered using a given set of resources, which might be materialized views, cached results of previou...
WWW
2011
ACM
14 years 1 months ago
2011
ACM
The multimedia information retrieval community has dedicated extensive research effort to the problem of content-based image retrieval (CBIR). However, these systems find their ma...