907 search results - page 103 / 182 » Efficient Optimization of Iterative Queries |
ICDE
1999
IEEE
14 years 10 months ago
1999
IEEE
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
— Multi-carrier modulations (MCM) and especially orthogonal schemes such as orthogonal frequency division multiplexing (OFDM) are currently used in many radio transmission standa...
PODS
2005
ACM
14 years 9 months ago
2005
ACM
We consider query optimization techniques for data intensive P2P applications. We show how to adapt an old technique from deductive databases, namely Query-Sub-Query (QSQ), to a s...
UAI
2004
13 years 10 months ago
2004
In this paper, we propose a new lower approximation scheme for POMDP with discounted and average cost criterion. The approximating functions are determined by their values at a fi...
ICDE
2010
IEEE
14 years 8 months ago
2010
IEEE
A large fraction of an XML document typically consists of text data. The XPath query language allows text search via the equal, contains, and starts-with predicates. Such predicate...