928 search results - page 86 / 186 » Analysis and optimization of active databases |
SIGMOD
2003
ACM
15 years 10 months ago
2003
ACM
While the XML Stylesheet Language for Transformations (XSLT) was not designed as a query language, it is well-suited for many query-like operations on XML documents including sele...
DEBU
2006
14 years 9 months ago
2006
Performance tuning in modern database systems requires a lot of expertise, is very time consuming and often misdirected. Tuning attempts often lack a methodology that has a holist...
PODS
2005
ACM
15 years 10 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...
EDBT
2008
ACM
15 years 10 months ago
2008
ACM
Data Stream Management Systems (DSMSs) must support optimized execution scheduling of multiple continuous queries on massive, and frequently bursty, data streams. Previous approac...
CIKM
2009
Springer
15 years 4 months ago
2009
Springer
We introduce a new theoretical derivation, evaluation methods, and extensive empirical analysis for an automatic query expansion framework in which model estimation is cast as a r...