418 search results - page 35 / 84 » An Optimization Framework for Query Recommendation |
ICPADS
2008
IEEE
14 years 2 months ago
2008
IEEE
Existing solutions for top-k queries in wireless sensor networks mainly focused on energy efficiency and little attention has been paid to the response time to answer a top-k que...
SIGMOD
2001
ACM
14 years 8 months ago
2001
ACM
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
TLT
2008
13 years 8 months ago
2008
While the growing number of learning resources increases the choice for learners on how, what and when to learn, it also makes it more and more difficult to find the learning resou...
PODS
2004
ACM
14 years 8 months ago
2004
ACM
The problem of disk declustering is to distribute data among multiple disks to reduce query response times through parallel I/O. A strictly optimal declustering technique is one t...
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...