640 search results - page 63 / 128 » Query Optimization Using Multiple SIP Strategies |
VLDB
2005
ACM
14 years 4 months ago
2005
ACM
Cost-based query optimizers need to estimate the selectivity of conjunctive predicates when comparing alternative query execution plans. To this end, advanced optimizers use multi...
ICDCS
2007
IEEE
14 years 3 months ago
2007
IEEE
On-line decision making often involves query processing over time-varying data which arrives in the form of data streams from distributed locations. In such environments typically...
COMAD
2009
14 years 7 days ago
2009
The problem of information integration is discussed in the context of answering a query over the web. Querying the web requires that information from different web and other sourc...
SIGMOD
1999
ACM
14 years 3 months ago
1999
ACM
The database query optimizer requires the estimation of the query selectivity to find the most efficient access plan. For queries referencing multiple attributes from the same rel...
ISCI
2010
13 years 9 months ago
2010
This paper presents a simple but effective tuning strategy for robust static output feedback (SOF) controllers with minimal quadratic cost in the context of multiple parametric un...