383 search results - page 58 / 77 » Join operations in temporal databases |
181
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
In this paper, we investigate a new approach to process queries in data stream applications. We show that reference locality characteristics of data streams could be exploited in ...
DASFAA
2007
IEEE
15 years 4 months ago
2007
IEEE
In the era of the Internet, more and more privacy-sensitive data is published online. Even though this kind of data are published with sensitive attributes such as name and social ...
CALCO
2009
Springer
15 years 4 months ago
2009
Springer
Abstract. In this paper we describe a language and method for deriving ontologies and ordering databases. The ontological structures arrived at are distributive lattices with attri...
PODS
2005
ACM
15 years 3 months ago
2005
ACM
The full disjunction is a variation of the join operator that maximally combines tuples from connected relations, while preserving all information in the relations. The full disju...
102
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ICMCS
2005
IEEE
15 years 3 months ago
2005
IEEE
This study describes experiments on automatic detection of semantic concepts, which are textual descriptions about the digital video content. The concepts can be further used in c...