394 search results - page 48 / 79 » Conditional Preferences: A New Semantics for Database Querie... |
CORR
2006
Springer
14 years 9 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
15 years 1 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...
121
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DASFAA
2010
IEEE
15 years 1 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...
182
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ICDE
2000
IEEE
15 years 11 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
15 years 9 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...