81 search results - page 1 / 17 » Integration of Buffer Management and Query Optimization in R... |
VLDB
1989
ACM
15 years 1 months ago
1989
ACM
148
click to vote
SIGMOD
2008
ACM
15 years 9 months ago
2008
ACM
Today's query processing engines do not take advantage of the multiple occurrences of a relation in a query to improve performance. Instead, each instance is treated as a dis...
120
click to vote
IDEAS
2010
IEEE
14 years 8 months ago
2010
IEEE
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
BTW
2003
Springer
15 years 2 months ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
VLDB
2004
ACM
15 years 2 months ago
2004
ACM
This demonstration shows an integrated query processing environment where users can seamlessly query both a data stream management system and a sensor network with one query expre...