3652 search results - page 245 / 731 » A study of query length |
PODS
2001
ACM
14 years 9 months ago
2001
ACM
Database systems frequently have to execute a set of related queries, which share several common subexpressions. Multi-query optimization exploits this, by finding evaluation plan...
ICDE
2010
IEEE
14 years 6 months ago
2010
IEEE
— Many applications require sorting a table over multiple sort orders: generation of multiple reports from a table, evaluation of a complex query that involves multiple instances...
DASFAA
2009
IEEE
14 years 4 months ago
2009
IEEE
This paper investigates the problem of writing data to passive RFID tag memory and proposes a reprocessing model for assuring the atomicity and durability of writing transactions i...
WAIM
2009
Springer
14 years 4 months ago
2009
Springer
Contained rewriting and maximal contained rewriting of tree pattern queries using views have been studied recently for the class of tree patterns involving /, //, and []. Given que...
SEMWEB
2009
Springer
14 years 4 months ago
2009
Springer
Significant efforts have focused in the past years on bringing large amounts of metadata online and the success of these efforts can be seen by the impressive number of web site...