491 search results - page 69 / 99 » Optimizing complex queries with multiple relation instances |
CIKM
2006
Springer
13 years 11 months ago
2006
Springer
In an uncertain database, each data item is modeled as a range associated with a probability density function. Previous works for this kind of data have focussed on simple queries...
JIRS
2007
13 years 7 months ago
2007
— Today, there are many opportunities to create vision-based intelligent systems that are human-centric. This is a very rich area because humans are very complex, and the number ...
COOPIS
1997
IEEE
13 years 11 months ago
1997
IEEE
Workflows are activities involving the coordinated execution of multiple tasks performed by different processing entities, mostly in distributed heterogeneous environments which a...
KDD
2009
ACM
14 years 2 months ago
2009
ACM
In this paper we propose a utility model that accounts for both sales and branding advertisers. We first study the computational complexity of optimization problems related to bo...
DATAMINE
1998
13 years 7 months ago
1998
Many applications of knowledge discovery and data mining such as rule discovery for semantic query optimization, database integration and decision support, require the knowledge t...