368 search results - page 42 / 74 » Efficient exploitation of similar subexpressions for query p... |
WWW
2009
ACM
14 years 9 months ago
2009
ACM
Giving suggestions to users of Web-based services is a common practice aimed at enhancing their navigation experience. Major Web Search Engines usually provide Suggestions under t...
CIKM
2009
Springer
14 years 29 days ago
2009
Springer
Feature weighting or selection is a crucial process to identify an important subset of features from a data set. Removing irrelevant or redundant features can improve the generali...
PVLDB
2008
13 years 8 months ago
2008
The popularity of collaborative tagging sites presents a unique opportunity to explore keyword search in a context where query results are determined by the opinion of a network o...
EC
2006
13 years 9 months ago
2006
Learning Classifier Systems (LCSs), such as the accuracy-based XCS, evolve distributed problem solutions represented by a population of rules. During evolution, features are speci...
SIGMOD
2007
ACM
14 years 9 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...