193 search results - page 21 / 39 » Processing and Optimization of Complex Queries in Schema-Bas... |
CIKM
2008
Springer
13 years 9 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...
IPPS
2009
IEEE
14 years 2 months ago
2009
IEEE
In this paper, we explore the problem of mapping filtering services on large-scale heterogeneous platforms. Two important optimization criteria should be considered in such a fra...
DMDW
2000
13 years 9 months ago
2000
As views in a data warehouse become more complex, the view maintenance process can become very complicated and potentially very inefficient. Storing auxiliary views in the warehou...
CGF
2004
13 years 7 months ago
2004
We present a simple but powerful algorithm for optimizing the usage of hardware occlusion queries in arbitrary complex scenes. Our method minimizes the number of issued queries an...
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
Commercial enterprise data warehouses are typically implemented on parallel databases due to the inherent scalability and performance limitation of a serial architecture. Queries ...