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PODS
2010
ACM
14 years 23 days ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
Answering queries over ontologies is an important issue for the Semantic Web. Aggregate queries were widely studied for relational databases but almost no results are known for ag...
MVA
2000
13 years 9 months ago
2000
In this paper, we outline the design of a visual support system that provides three-dimensional visual information using three-dimensional virtual sound. Three-dimensional informa...
OTM
2010
Springer
13 years 5 months ago
2010
Springer
Abstract. Systems supporting situation awareness typically integrate information about a large number of real-world objects anchored in time and space provided by multiple sources....
SEUS
2007
IEEE
14 years 1 months ago
2007
IEEE
Smart Home System (SHS) is one of popular applications in ubiquitous computing, which provides convenient services for a user with userfriendly intelligent system interfaces. Among...