525 search results - page 24 / 105 » On Query Algebras for Probabilistic Databases |
127
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ICDT
2011
ACM
14 years 3 months ago
2011
ACM
The goal of Knowledge Compilation is to represent a Boolean expression in a format in which it can answer a range of online-queries in PTIME. The online-query of main interest to ...
111
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IS
2007
14 years 11 months ago
2007
Sensors are often employed to monitor continuously changing entities like locations of moving objects and temperature. The sensor readings are reported to a database system, and a...
EDBT
2009
ACM
15 years 6 months ago
2009
ACM
Due to the existence of uncertain data in a wide spectrum of real applications, uncertain query processing has become increasingly important, which dramatically differs from handl...
ESWS
2008
Springer
15 years 1 months ago
2008
Springer
The goal of this paper is to give an overview of the basics of the theory of RDF databases. We provide a formal definition of RDF that includes the features that distinguish this m...
112
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ER
2010
Springer
14 years 9 months ago
2010
Springer
Traditional information search in which queries are posed against a known and rigid schema over a structured database is shifting towards a Web scenario in which exposed schemas ar...