394 search results - page 48 / 79 » Conditional Preferences: A New Semantics for Database Querie... |
CORR
2006
Springer
13 years 7 months ago
2006
Springer
Through the Internet and the World-Wide Web, a vast number of information sources has become available, which offer information on various subjects by different providers, often i...
EDBT
2000
ACM
13 years 11 months ago
2000
ACM
the research activities. This abstract is to introduce the approach of a data model - EP data model. Its data structure is able to store as a finite set of nodes arbitrary effectiv...
DASFAA
2010
IEEE
13 years 11 months ago
2010
IEEE
This paper studies a new query on uncertain data, called k-selection query. Given an uncertain dataset of N objects, where each object is associated with a preference score and a p...
ICDE
2000
IEEE
14 years 9 months ago
2000
IEEE
In high-dimensional and complex metric spaces, determining the nearest neighbor (NN) of a query object ? can be a very expensive task, because of the poor partitioning operated by...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
We consider an environment where distributed data sources continuously stream updates to a centralized processor that monitors continuous queries over the distributed data. Signif...