3108 search results - page 1 / 622 » A General Framework for Modeling and Processing Optimization... |
VLDB
2007
ACM
14 years 11 months ago
2007
ACM
An optimization query asks for one or more data objects that maximize or minimize some function over the data set. We propose a general class of queries, model-based optimization ...
DBPL
2003
Springer
14 years 4 months ago
2003
Springer
Abstract. In the context of XML data management systems, the estimation of query cardinality is becoming more and more important: the information provided by a query result estimat...
DAMON
2007
Springer
14 years 5 months ago
2007
Springer
We propose a general framework for improving the query processing performance on multi-level memory hierarchies. Our motivation is that (1) the memory hierarchy is an important pe...
DAWAK
1999
Springer
14 years 3 months ago
1999
Springer
One of the most challenging problems in data manipulation in the future is to be able to e ciently handle very large databases but also multiple induced properties or generalizatio...
SIGMOD
1993
ACM
14 years 2 months ago
1993
ACM
Abstract: We propose a framework for the specification of extensible database systems. A particular goal is to implement a software component for parsing and rule-based optimizatio...