1160 search results - page 18 / 232 » Query Processing and Optimization for Pictorial Query Trees |
CIKM
2006
Springer
14 years 8 months ago
2006
Springer
Peer Data Management Systems (PDMS) are a natural extension of heterogeneous database systems. One of the main tasks in such systems is efficient query processing. Insisting on co...
CORR
2012
Springer
13 years 2 months ago
2012
Springer
We consider the problem of recovering items matching a partially specified pattern in multidimensional trees (quad trees and k-d trees). We assume the classical model where the d...
ICDE
2007
IEEE
15 years 1 months ago
2007
IEEE
Various techniques have been developed for different query types in content-based image retrieval (CBIR) systems such as sampling queries, constrained sampling queries, multiple c...
SIGMOD
2004
ACM
15 years 6 months ago
2004
ACM
Trees and graphs are widely used to model biological databases. Providing efficient algorithms to support tree-based or graph-based querying is therefore an important issue. In th...
CIKM
2008
Springer
14 years 8 months ago
2008
Springer
Query processing techniques for XML data have focused mainly on tree-pattern queries (TPQs). However, the need for querying XML data sources whose structure is very complex or not...