281 search results - page 22 / 57 » Querying the Guarded Fragment |
114
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ICPADS
2005
IEEE
15 years 3 months ago
2005
IEEE
Data warehouses store large volumes of data according to a multidimensional model with dimensions representing different axes of analysis. OLAP systems (OnLine Analytical Processi...
93
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LREC
2008
14 years 11 months ago
2008
We present an approach for querying collections of heterogeneous linguistic corpora that are annotated on multiple layers using arbitrary XML-based markup languages. An OWL ontolo...
PODS
2010
ACM
15 years 3 months ago
2010
ACM
Both semantic and type-based query optimization rely on the idea that queries often exhibit non-trivial rewritings if the state space of the database is restricted. Despite their ...
WWW
2007
ACM
15 years 11 months ago
2007
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
195
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TKDE
2012
13 years 17 days ago
2012
—Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of som...