1278 search results - page 120 / 256 » Design and Analysis of Parametric Query Optimization Algorit... |
108
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WISE
2007
Springer
15 years 4 months ago
2007
Springer
We study and present our findings on two closely related problems on xpath rewriting using views when both the view and the query are tree patterns involving /,// and []. First, g...
156
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SIGMOD
2008
ACM
15 years 10 months ago
2008
ACM
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
139
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SIGMOD
2008
ACM
15 years 10 months ago
2008
ACM
Structured peer-to-peer (P2P) overlays have been successfully employed in many applications to locate content. However, they have been less effective in handling massive amounts o...
102
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EDBT
2012
ACM
13 years 6 days ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
74
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GECCO
2007
Springer
15 years 4 months ago
2007
Springer
In this paper we report on a study in which genetic algorithms are applied to the analysis of noisy time-series signals, which is related to the problem of analyzing the motion ch...